# archive site. Check with Archie if you don't know where that can be.)
#
-# $Id: Head.U,v 3.0.1.7 1995/03/21 08:46:15 ram Exp $
+# $Id: Head.U,v 3.0.1.8 1995/07/25 13:40:02 ram Exp $
#
-# Generated on Fri Apr 14 15:43:12 EDT 1995 [metaconfig 3.0 PL53]
+# Generated on Wed Feb 21 14:26:18 EST 1996 [metaconfig 3.0 PL60]
cat >/tmp/c1$$ <<EOF
ARGGGHHHH!!!!!
;;
esac
+: Proper PATH separator
+p_=:
+: On OS/2 this directory should exist if this is not floppy only system :-]
+if test -d c:/.; then
+ p_=\;
+ PATH=`cmd /c "echo %PATH%" | tr '\\\\' / `
+ OS2_SHELL=`cmd /c "echo %OS2_SHELL%" | tr '\\\\' / | tr '[A-Z]' '[a-z]'`
+fi
: Proper PATH setting
paths='/bin /usr/bin /usr/local/bin /usr/ucb /usr/local /usr/lbin'
+paths="$paths /opt/bin /opt/local/bin /opt/local /opt/lbin"
paths="$paths /usr/5bin /etc /usr/gnu/bin /usr/new /usr/new/bin /usr/nbin"
+paths="$paths /opt/gnu/bin /opt/new /opt/new/bin /opt/nbin"
paths="$paths /sys5.3/bin /sys5.3/usr/bin /bsd4.3/bin /bsd4.3/usr/ucb"
paths="$paths /bsd4.3/usr/bin /usr/bsd /bsd43/bin /usr/ccs/bin"
paths="$paths /etc /usr/lib /usr/ucblib /lib /usr/ccs/lib"
for p in $paths
do
- case ":$PATH:" in
- *:$p:*) ;;
- *) test -d $p && PATH=$PATH:$p ;;
+ case "$p_$PATH$p_" in
+ *$p_$p$p_*) ;;
+ *) test -d $p && PATH=$PATH$p_$p ;;
esac
done
-PATH=.:$PATH
+PATH=.$p_$PATH
export PATH
: Sanity checks
: Configure runs within the UU subdirectory
test -d UU || mkdir UU
-cd UU && rm -f *
+cd UU && rm -f ./*
dynamic_ext=''
extensions=''
known_extensions=''
static_ext=''
useposix=''
+usesafe=''
d_bsd=''
d_eunice=''
d_xenix=''
Revision=''
Source=''
State=''
+ar=''
+archobjs=''
+exe_ext=''
+firstmakefile=''
+lib_ext=''
+obj_ext=''
+path_sep=''
afs=''
alignbytes=''
archlib=''
cppflags=''
ldflags=''
lkflags=''
+locincpth=''
optimize=''
+cf_email=''
cf_by=''
cf_time=''
contains=''
d_isascii=''
d_killpg=''
d_link=''
-d_linuxstd=''
d_locconv=''
d_lockf=''
d_lstat=''
d_pathconf=''
d_pause=''
d_pipe=''
+d_poll=''
d_portable=''
d_readdir=''
d_rewinddir=''
d_shmctl=''
d_shmdt=''
d_shmget=''
+d_sigsetjmp=''
+d_sigaction=''
+d_sigintrp=''
+d_sigvec=''
+d_sigvectr=''
d_oldsock=''
d_socket=''
d_sockpair=''
sockethdr=''
socketlib=''
d_statblks=''
+d_stdio_cnt_lval=''
+d_stdio_ptr_lval=''
+d_stdiobase=''
d_stdstdio=''
+stdio_base=''
+stdio_bufsiz=''
+stdio_cnt=''
+stdio_ptr=''
d_index=''
d_strchr=''
d_strcoll=''
db_prefixtype=''
i_db=''
i_dbm=''
+i_rpcsvcdbm=''
d_dirnamlen=''
direntrytype=''
i_dirent=''
i_gdbm=''
i_grp=''
i_limits=''
+i_locale=''
i_malloc=''
i_math=''
i_memory=''
i_sysstat=''
i_systimes=''
i_systypes=''
+i_sysun=''
i_sgtty=''
i_termio=''
i_termios=''
libc=''
glibpth=''
libpth=''
+loclibpth=''
plibpth=''
xlibpth=''
libs=''
mallocsrc=''
malloctype=''
usemymalloc=''
-installmansrc=''
-manext=''
-mansrc=''
-mansrcexp=''
+installman1dir=''
+man1dir=''
+man1direxp=''
+man1ext=''
+installman3dir=''
+man3dir=''
+man3direxp=''
+man3ext=''
huge=''
large=''
medium=''
phostname=''
c=''
n=''
+d_eofnblk=''
+eagain=''
+o_nonblock=''
+rd_nodata=''
groupcat=''
hostcat=''
passcat=''
+d_oldarchlib=''
+oldarchlib=''
+oldarchlibexp=''
orderlib=''
ranlib=''
package=''
spackage=''
+pager=''
patchlevel=''
+perladmin=''
+perlpath=''
prefix=''
prefixexp=''
installprivlib=''
scriptdirexp=''
selecttype=''
sig_name=''
+sig_num=''
+installsitearch=''
+sitearch=''
+sitearchexp=''
+installsitelib=''
+sitelib=''
+sitelibexp=''
sizetype=''
so=''
sharpbang=''
shsharp=''
spitshell=''
ssizetype=''
+startperl=''
startsh=''
stdchar=''
+subversion=''
sysman=''
uidtype=''
nm_opt=''
+nm_so_opt=''
runnm=''
usenm=''
incpath=''
groupstype=''
i_whoami=''
+: default library list
+libswanted=''
+: set useposix=false in your hint file to disable the POSIX extension.
+useposix=true
+: set usesafe=false in your hint if you want to skip the Safe extension.
+usesafe=true
+: Define several unixisms. These can be used in hint files.
+exe_ext=''
+: Extra object files, if any, needed on this platform.
+archobjs=''
+: Possible local include directories to search.
+: Set locincpth to "" in a hint file to defeat local include searches.
+locincpth="/usr/local/include /opt/local/include /usr/gnu/include"
+locincpth="$locincpth /opt/gnu/include /usr/GNU/include /opt/GNU/include"
+:
+: no include file wanted by default
+inclwanted=''
+
: change the next line if compiling for Xenix/286 on Xenix/386
xlibpth='/usr/lib/386 /lib/386'
+: Possible local library directories to search.
+loclibpth="/usr/local/lib /opt/local/lib /usr/gnu/lib"
+loclibpth="$loclibpth /opt/gnu/lib /usr/GNU/lib /opt/GNU/lib"
+
: general looking path for locating libraries
-glibpth="/lib/pa1.1 /usr/lib/large /lib /usr/lib $xlibpth"
-glibpth="$glibpth /lib/large /usr/lib/small /lib/small"
-glibpth="$glibpth /usr/ccs/lib /usr/ucblib /usr/local/lib /usr/shlib"
+glibpth="/lib/pa1.1 /usr/shlib /usr/lib/large /lib /usr/lib"
+glibpth="$glibpth $xlibpth /lib/large /usr/lib/small /lib/small"
+glibpth="$glibpth /usr/ccs/lib /usr/ucblib /usr/shlib"
: Private path used by Configure to find libraries. Its value
: is prepended to libpth. This variable takes care of special
: machines, like the mips. Usually, it should be empty.
plibpth=''
-: default library list
-libswanted=''
: full support for void wanted by default
defvoidused=15
-: set useposix=false in your hint file to disable the POSIX extension.
-useposix=true
-: no include file wanted by default
-inclwanted=''
-
: List of libraries we want.
libswanted='net socket inet nsl nm ndbm gdbm dbm db malloc dl'
libswanted="$libswanted dld ld sun m c cposix posix ndir dir crypt"
glibpth="/usr/shlib $glibpth"
: Do not use vfork unless overridden by a hint file.
usevfork=false
-: We might as well always be portable. It makes no difference for
-: perl5, and makes people happy.
-d_portable=define
: script used to extract .SH files with variable substitutions
cat >extract <<'EOS'
: produce awk script to parse command line options
cat >options.awk <<'EOF'
BEGIN {
- optstr = "dD:eEf:hOrsSU:V"; # getopt-style specification
+ optstr = "dD:eEf:hKOrsSU:V"; # getopt-style specification
len = length(optstr);
for (i = 1; i <= len; i++) {
EOF
: process the command line options
-set X `for arg in "$@"; do echo $arg; done | awk -f options.awk`
+set X `for arg in "$@"; do echo "X$arg"; done |
+ sed -e s/X// | awk -f options.awk`
eval "set $*"
shift
rm -f options.awk
silent=''
extractsh=''
override=''
+knowitall=''
rm -f optdef.sh
: option parsing
-r) shift; reuseval=true;;
-s) shift; silent=true;;
-E) shift; alldone=exit;;
+ -K) shift; knowitall=true;;
-O) shift; override=true;;
-S) shift; extractsh=true;;
-D)
esac
shift
;;
- -V) echo "$me generated by metaconfig 3.0 PL53." >&2
+ -V) echo "$me generated by metaconfig 3.0 PL60." >&2
exit 0;;
--) break;;
-*) echo "$me: unknown option $1" >&2; shift; error=true;;
case "$error" in
true)
cat >&2 <<EOM
-Usage: $me [-dehrEOSV] [-f config.sh] [-D symbol] [-D symbol=value]
+Usage: $me [-dehrEKOSV] [-f config.sh] [-D symbol] [-D symbol=value]
[-U symbol] [-U symbol=]
-d : use defaults for all answers.
-e : go on without questioning past the production of config.sh.
-D symbol symbol gets the value 'define'
-D symbol=value symbol gets the value 'value'
-E : stop at the end of questions, after having produced config.sh.
+ -K : do not use unless you know what you are doing.
-O : let -D and -U override definitions from loaded configuration file.
-S : perform variable substitutions on all .SH files (can mix with -f)
-U : undefine symbol:
You have the option of continuing the configuration process, despite the
distinct possibility that your kit is damaged, by typing 'y'es. If you
do, don't blame me if something goes wrong. I advise you to type 'n'o
-and contact the author (lwall@netlabs.com).
+and contact the author (doughera@lafcol.lafayette.edu).
EOM
echo $n "Continue? [n] $c" >&4
case "\$1" in
-d)
fastread=yes
- echo "(OK, I'll run with -d after this question.)"
+ echo "(OK, I'll run with -d after this question.)" >&4
;;
-*)
- echo "*** Sorry, \$1 not supported yet."
+ echo "*** Sorry, \$1 not supported yet." >&4
;;
esac
$myecho
Unix system. If despite that it blows up on yours, your best bet is to edit
Configure and run it again. If you can't run Configure for some reason,
you'll have to generate a config.sh file by hand. Whatever problems you
-have, let me (lwall@netlabs.com) know how I blew it.
+have, let me (doughera@lafcol.lafayette.edu) know how I blew it.
This installation script affects things in two ways:
csh
date
egrep
+less
line
+more
nroff
perl
+pg
+sendmail
test
uname
"
-pth=`echo $PATH | sed -e 's/:/ /g'`
+pth=`echo $PATH | sed -e "s/$p_/ /g"`
pth="$pth /lib /usr/lib"
for file in $loclist; do
xxx=`./loc $file $file $pth`
/*)
echo $file is in $xxx.
;;
+ ?:[\\/]*)
+ echo $file is in $xxx.
+ ;;
*)
- echo "I don't know where $file is. I hope it's in everyone's PATH."
+ echo "I don't know where '$file' is, and my life depends on it." >&4
+ echo "Go find a public domain implementation or fix your PATH setting!" >&4
+ exit 1
;;
esac
done
/*)
echo $file is in $xxx.
;;
+ ?:[\\/]*)
+ echo $file is in $xxx.
+ ;;
*)
echo "I don't see $file out there, $say."
say=either
./tr '[A-Z]' '[a-z]' | tr '\012' ' '`
newmyuname="$myuname"
dflt=n
-if test -f ../config.sh; then
- if $contains myuname= ../config.sh >/dev/null 2>&1; then
- eval "`grep myuname= ../config.sh`"
- fi
- if test "X$myuname" = "X$newmyuname"; then
- dflt=y
+case "$knowitall" in
+'')
+ if test -f ../config.sh; then
+ if $contains myuname= ../config.sh >/dev/null 2>&1; then
+ eval "`grep myuname= ../config.sh`"
+ fi
+ if test "X$myuname" = "X$newmyuname"; then
+ dflt=y
+ fi
fi
-fi
+ ;;
+*) dflt=y;;
+esac
: Get old answers from old config file if Configure was run on the
: same system, otherwise use the hints.
hint=default
cd ..
if test -f config.sh; then
- $cat <<EOM
-
-I see a config.sh file. Was it built on THIS system with THIS compiler?
-EOM
- rp="Shall I use config.sh to set the defaults?"
+ echo " "
+ rp="I see a config.sh file. Shall I use it to set the defaults?"
. UU/myread
case "$ans" in
n*|N*) echo "OK, I'll ignore it."; mv config.sh config.sh.old;;
cd hints; ls -C *.sh | $sed 's/\.sh/ /g' >&4
dflt=''
: Half the following guesses are probably wrong... If you have better
- : tests or hints, please send them to lwall@netlabs.com
+ : tests or hints, please send them to doughera@lafcol.lafayette.edu
: The metaconfig authors would also appreciate a copy...
$test -f /irix && osname=irix
$test -f /xenix && osname=sco_xenix
$test -d /usr/apollo/bin && osname=apollo
$test -f /etc/saf/_sactab && osname=svr4
$test -d /usr/include/minix && osname=minix
- $test -d /MachTen && osname=machten && \
- osvers=`/usr/etc/version | $awk '{print $2}' | \
- $sed -e 's/[A-Za-z]$//'`
+ if $test -d /MachTen; then
+ osname=machten
+ if $test -x /sbin/version; then
+ osvers=`/sbin/version | $awk '{print $2}' |
+ $sed -e 's/[A-Za-z]$//'`
+ elif $test -x /usr/etc/version; then
+ osvers=`/usr/etc/version | $awk '{print $2}' |
+ $sed -e 's/[A-Za-z]$//'`
+ else
+ osvers="$2.$3"
+ fi
+ fi
if $test -f $uname; then
set X $myuname
shift
osname=news_os
fi
$rm -f ../UU/kernel.what
+ elif test -d c:/.; then
+ set X $myuname
+ osname=os2
+ osvers="$5"
fi
fi
cf_by=`$cat .temp`
$rm -f .temp
-: determine where manual pages are on this system
+: determine the architecture name
echo " "
-case "$sysman" in
-'')
- syspath='/usr/man/man1 /usr/man/mann /usr/man/manl /usr/man/local/man1'
- syspath="$syspath /usr/man/u_man/man1 /usr/share/man/man1"
- syspath="$syspath /usr/catman/u_man/man1 /usr/man/l_man/man1"
- syspath="$syspath /usr/local/man/u_man/man1 /usr/local/man/l_man/man1"
- syspath="$syspath /usr/man/man.L /local/man/man1 /usr/local/man/man1"
- sysman=`./loc . /usr/man/man1 $syspath`
+if xxx=`./loc arch blurfl $pth`; $test -f "$xxx"; then
+ tarch=`arch`"-$osname"
+elif xxx=`./loc uname blurfl $pth`; $test -f "$xxx" ; then
+ if uname -m > tmparch 2>&1 ; then
+ tarch=`$sed -e 's/ /_/g' -e 's/$/'"-$osname/" tmparch`
+ else
+ tarch="$osname"
+ fi
+ $rm -f tmparch
+else
+ tarch="$osname"
+fi
+case "$myarchname" in
+''|"$tarch") ;;
+*)
+ echo "(Your architecture name used to be $myarchname.)"
+ archname=''
;;
esac
-if $test -d "$sysman"; then
- echo "System manual is in $sysman." >&4
+case "$archname" in
+'') dflt="$tarch";;
+*) dflt="$archname";;
+esac
+rp='What is your architecture name'
+. ./myread
+archname="$ans"
+myarchname="$tarch"
+
+: is AFS running?
+echo " "
+if test -d /afs; then
+ echo "AFS may be running... I'll be extra cautious then..." >&4
+ afs=true
else
- echo "Could not find manual pages in source form." >&4
+ echo "AFS does not seem to be running..." >&4
+ afs=false
fi
-: see what memory models we can support
-case "$models" in
-'')
- $cat >pdp11.c <<'EOP'
-main() {
-#ifdef pdp11
- exit(0);
-#else
- exit(1);
-#endif
-}
-EOP
- cc -o pdp11 pdp11.c >/dev/null 2>&1
- if ./pdp11 2>/dev/null; then
- dflt='unsplit split'
- else
- tans=`./loc . X /lib/small /lib/large /usr/lib/small /usr/lib/large /lib/medium /usr/lib/medium /lib/huge`
- case "$tans" in
- X) dflt='none';;
- *) if $test -d /lib/small || $test -d /usr/lib/small; then
- dflt='small'
- else
- dflt=''
- fi
- if $test -d /lib/medium || $test -d /usr/lib/medium; then
- dflt="$dflt medium"
- fi
- if $test -d /lib/large || $test -d /usr/lib/large; then
- dflt="$dflt large"
- fi
- if $test -d /lib/huge || $test -d /usr/lib/huge; then
- dflt="$dflt huge"
- fi
- esac
- fi;;
-*) dflt="$models";;
+: decide how portable to be. Allow command line overrides.
+case "$d_portable" in
+"$undef") ;;
+*) d_portable="$define" ;;
esac
-$cat <<EOM
-
-Some systems have different model sizes. On most systems they are called
-small, medium, large, and huge. On the PDP11 they are called unsplit and
-split. If your system doesn't support different memory models, say "none".
-If you wish to force everything to one memory model, say "none" here and
-put the appropriate flags later when it asks you for other cc and ld flags.
-Venix systems may wish to put "none" and let the compiler figure things out.
-(In the following question multiple model names should be space separated.)
-EOM
-rp="Which memory models are supported?"
-. ./myread
-models="$ans"
-
-case "$models" in
-none)
- small=''
- medium=''
- large=''
- huge=''
- unsplit=''
- split=''
+: set up shell script to do ~ expansion
+cat >filexp <<EOSS
+$startsh
+: expand filename
+case "\$1" in
+ ~/*|~)
+ echo \$1 | $sed "s|~|\${HOME-\$LOGDIR}|"
;;
-*split)
- case "$split" in
- '') if $contains '\-i' $sysman/ld.1 >/dev/null 2>&1 || \
- $contains '\-i' $sysman/cc.1 >/dev/null 2>&1; then
- dflt='-i'
- else
- dflt='none'
- fi;;
- *) dflt="$split";;
- esac
- rp="What flag indicates separate I and D space?"
- . ./myread
- tans="$ans"
- case "$tans" in
- none) tans='';;
- esac
- split="$tans"
- unsplit='';;
-*large*|*small*|*medium*|*huge*)
- case "$models" in
- *large*)
- case "$large" in
- '') dflt='-Ml';;
- *) dflt="$large";;
- esac
- rp="What flag indicates large model?"
- . ./myread
- tans="$ans"
- case "$tans" in
- none) tans='';
- esac
- large="$tans";;
- *) large='';;
- esac
- case "$models" in
- *huge*) case "$huge" in
- '') dflt='-Mh';;
- *) dflt="$huge";;
- esac
- rp="What flag indicates huge model?"
- . ./myread
- tans="$ans"
- case "$tans" in
- none) tans='';
- esac
- huge="$tans";;
- *) huge="$large";;
- esac
- case "$models" in
- *medium*) case "$medium" in
- '') dflt='-Mm';;
- *) dflt="$medium";;
- esac
- rp="What flag indicates medium model?"
- . ./myread
- tans="$ans"
- case "$tans" in
- none) tans='';
- esac
- medium="$tans";;
- *) medium="$large";;
- esac
- case "$models" in
- *small*) case "$small" in
- '') dflt='none';;
- *) dflt="$small";;
- esac
- rp="What flag indicates small model?"
- . ./myread
- tans="$ans"
- case "$tans" in
- none) tans='';
+ ~*)
+ if $test -f /bin/csh; then
+ /bin/csh -f -c "glob \$1"
+ failed=\$?
+ echo ""
+ exit \$failed
+ else
+ name=\`$expr x\$1 : '..\([^/]*\)'\`
+ dir=\`$sed -n -e "/^\${name}:/{s/^[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:\([^:]*\).*"'\$'"/\1/" -e p -e q -e '}' </etc/passwd\`
+ if $test ! -d "\$dir"; then
+ me=\`basename \$0\`
+ echo "\$me: can't locate home directory for: \$name" >&2
+ exit 1
+ fi
+ case "\$1" in
+ */*)
+ echo \$dir/\`$expr x\$1 : '..[^/]*/\(.*\)'\`
+ ;;
+ *)
+ echo \$dir
+ ;;
esac
- small="$tans";;
- *) small='';;
- esac
+ fi
;;
*)
- echo "Unrecognized memory models--you may have to edit Makefile.SH" >&4
+ echo \$1
;;
esac
-
-: make some quick guesses about what we are up against
-echo " "
-$echo $n "Hmm... $c"
-echo exit 1 >bsd
-echo exit 1 >usg
-echo exit 1 >v7
-echo exit 1 >osf1
-echo exit 1 >eunice
-echo exit 1 >xenix
-echo exit 1 >venix
-d_bsd="$undef"
-$cat /usr/include/signal.h /usr/include/sys/signal.h >foo 2>/dev/null
-if test -f /osf_boot || $contains 'OSF/1' /usr/include/ctype.h >/dev/null 2>&1
-then
- echo "Looks kind of like an OSF/1 system, but we'll see..."
- echo exit 0 >osf1
-elif test `echo abc | tr a-z A-Z` = Abc ; then
- xxx=`./loc addbib blurfl $pth`
- if $test -f $xxx; then
- echo "Looks kind of like a USG system with BSD features, but we'll see..."
- echo exit 0 >bsd
- echo exit 0 >usg
- else
- if $contains SIGTSTP foo >/dev/null 2>&1 ; then
- echo "Looks kind of like an extended USG system, but we'll see..."
- else
- echo "Looks kind of like a USG system, but we'll see..."
- fi
- echo exit 0 >usg
- fi
-elif $contains SIGTSTP foo >/dev/null 2>&1 ; then
- echo "Looks kind of like a BSD system, but we'll see..."
- d_bsd="$define"
- echo exit 0 >bsd
-else
- echo "Looks kind of like a Version 7 system, but we'll see..."
- echo exit 0 >v7
-fi
-case "$eunicefix" in
-*unixtovms*)
- $cat <<'EOI'
-There is, however, a strange, musty smell in the air that reminds me of
-something...hmm...yes...I've got it...there's a VMS nearby, or I'm a Blit.
-EOI
- echo exit 0 >eunice
- d_eunice="$define"
-: it so happens the Eunice I know will not run shell scripts in Unix format
- ;;
-*)
- echo " "
- echo "Congratulations. You aren't running Eunice."
- d_eunice="$undef"
- ;;
-esac
-if test -f /xenix; then
- echo "Actually, this looks more like a XENIX system..."
- echo exit 0 >xenix
- d_xenix="$define"
-else
- echo " "
- echo "It's not Xenix..."
- d_xenix="$undef"
-fi
-chmod +x xenix
-$eunicefix xenix
-if test -f /venix; then
- echo "Actually, this looks more like a VENIX system..."
- echo exit 0 >venix
-else
- echo " "
- if ./xenix; then
- : null
- else
- echo "Nor is it Venix..."
- fi
-fi
-chmod +x bsd usg v7 osf1 eunice xenix venix
-$eunicefix bsd usg v7 osf1 eunice xenix venix
-$rm -f foo
-
-: see if we need a special compiler
-echo " "
-if ./usg; then
- case "$cc" in
- '') case "$Mcc" in
- /*) dflt='Mcc';;
- *) case "$large" in
- -M*) dflt='cc';;
- *) if $contains '\-M' $sysman/cc.1 >/dev/null 2>&1 ; then
- if $contains '\-M' $sysman/cpp.1 >/dev/null 2>&1; then
- dflt='cc'
- else
- dflt='cc -M'
- fi
- else
- dflt='cc'
- fi;;
- esac;;
- esac;;
- *) dflt="$cc";;
- esac
- $cat <<'EOM'
-On some systems the default C compiler will not resolve multiple global
-references that happen to have the same name. On some such systems the "Mcc"
-command may be used to force these to be resolved. On other systems a "cc -M"
-command is required. (Note that the -M flag on other systems indicates a
-memory model to use!) If you have the Gnu C compiler, you might wish to use
-that instead.
-
-EOM
- rp="What command will force resolution on this system?"
- . ./myread
- cc="$ans"
-else
- case "$cc" in
- '') dflt=cc;;
- *) dflt="$cc";;
- esac
- rp="Use which C compiler?"
- . ./myread
- cc="$ans"
-fi
-echo " "
-echo "Checking for GNU cc in disguise and/or its version number..." >&4
-$cat >gccvers.c <<EOM
-#include <stdio.h>
-int main() {
-#ifdef __GNUC__
-#ifdef __VERSION__
- printf("%s\n", __VERSION__);
-#else
- printf("%s\n", "1");
-#endif
-#endif
- exit(0);
-}
-EOM
-if $cc -o gccvers gccvers.c >/dev/null 2>&1; then
- gccversion=`./gccvers`
- case "$gccversion" in
- '') echo "You are not using GNU cc." ;;
- *) echo "You are using GNU cc $gccversion." ;;
- esac
-else
- echo "I can't compile the test program -- Assuming it isn't GNU cc."
-fi
-$rm -f gccvers*
-case "$gccversion" in
-1*) cpp=`./loc gcc-cpp $cpp $pth` ;;
-esac
-
-: decide how portable to be
-case "$d_portable" in
-"$define") dflt=y;;
-*) dflt=n;;
-esac
-$cat <<'EOH'
-
-I can set things up so that your shell scripts and binaries are more portable,
-at what may be a noticable cost in performance. In particular, if you
-ask to be portable, the following happens:
-
- 1) Shell scripts will rely on the PATH variable rather than using
- the paths derived above.
- 2) ~username interpretations will be done at run time rather than
- by Configure.
-
-EOH
-rp="Do you expect to run these scripts and binaries on multiple machines?"
-. ./myread
-case "$ans" in
- y*) d_portable="$define"
- ;;
- *) d_portable="$undef" ;;
-esac
-
-: set up shell script to do ~ expansion
-cat >filexp <<EOSS
-$startsh
-: expand filename
-case "\$1" in
- ~/*|~)
- echo \$1 | $sed "s|~|\${HOME-\$LOGDIR}|"
- ;;
- ~*)
- if $test -f /bin/csh; then
- /bin/csh -f -c "glob \$1"
- failed=\$?
- echo ""
- exit \$failed
- else
- name=\`$expr x\$1 : '..\([^/]*\)'\`
- dir=\`$sed -n -e "/^\${name}:/{s/^[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:\([^:]*\).*"'\$'"/\1/" -e p -e q -e '}' </etc/passwd\`
- if $test ! -d "\$dir"; then
- me=\`basename \$0\`
- echo "\$me: can't locate home directory for: \$name" >&2
- exit 1
- fi
- case "\$1" in
- */*)
- echo \$dir/\`$expr x\$1 : '..[^/]*/\(.*\)'\`
- ;;
- *)
- echo \$dir
- ;;
- esac
- fi
- ;;
-*)
- echo \$1
- ;;
-esac
-EOSS
-chmod +x filexp
-$eunicefix filexp
+EOSS
+chmod +x filexp
+$eunicefix filexp
: now set up to get a file name
cat <<'EOSC' >getfile
rm -f getfile.ok
EOSC
-: What should the include directory be ?
-echo " "
-$echo $n "Hmm... $c"
-dflt='/usr/include'
-incpath=''
-mips_type=''
-if $test -f /bin/mips && /bin/mips; then
- echo "Looks like a MIPS system..."
- $cat >usr.c <<'EOCP'
-#ifdef SYSTYPE_BSD43
-/bsd43
-#endif
-EOCP
- if $cc -E usr.c > usr.out && $contains / usr.out >/dev/null 2>&1; then
- dflt='/bsd43/usr/include'
- incpath='/bsd43'
- mips_type='BSD 4.3'
- else
- mips_type='System V'
- fi
- $rm -f usr.c usr.out
- echo "and you're compiling with the $mips_type compiler and libraries."
- echo "exit 0" >mips
-else
- echo "Doesn't look like a MIPS system."
- echo "exit 1" >mips
-fi
-chmod +x mips
-$eunicefix mips
-echo " "
-case "$usrinc" in
-'') ;;
-*) dflt="$usrinc";;
+: determine root of directory hierarchy where package will be installed.
+case "$prefix" in
+'')
+ dflt=`./loc . /usr/local /usr/local /local /opt /usr`
+ ;;
+*)
+ dflt="$prefix"
+ ;;
esac
-fn=d/
-rp='Where are the include files you want to use?'
-. ./getfile
-usrinc="$ans"
-
-: see how we invoke the C preprocessor
-echo " "
-echo "Now, how can we feed standard input to your C preprocessor..." >&4
-cat <<'EOT' >testcpp.c
-#define ABC abc
-#define XYZ xyz
-ABC.XYZ
-EOT
-cd ..
-echo 'cat >.$$.c; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' >cppstdin
-chmod 755 cppstdin
-wrapper=`pwd`/cppstdin
-ok='false'
-cd UU
+$cat <<EOM
-if $test "X$cppstdin" != "X" && \
- $cppstdin $cppminus <testcpp.c >testcpp.out 2>&1 && \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
-then
- echo "You used to use $cppstdin $cppminus so we'll use that again."
- case "$cpprun" in
- '') echo "But let's see if we can live without a wrapper..." ;;
- *)
- if $cpprun $cpplast <testcpp.c >testcpp.out 2>&1 && \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
- then
- echo "(And we'll use $cpprun $cpplast to preprocess directly.)"
- ok='true'
- else
- echo "(However, $cpprun $cpplast does not work, let's see...)"
- fi
- ;;
+By default, $package will be installed in $dflt/bin, manual
+pages under $dflt/man, etc..., i.e. with $dflt as prefix for
+all installation directories. Typically set to /usr/local, but you
+may choose /usr if you wish to install $package among your system
+binaries. If you wish to have binaries under /bin but manual pages
+under /usr/local/man, that's ok: you will be prompted separately
+for each of the installation directories, the prefix being only used
+to set the defaults.
+
+EOM
+fn=d~
+rp='Installation prefix to use?'
+. ./getfile
+oldprefix=''
+case "$prefix" in
+'') ;;
+*)
+ case "$ans" in
+ "$prefix") ;;
+ *) oldprefix="$prefix";;
esac
-else
- case "$cppstdin" in
- '') ;;
+ ;;
+esac
+prefix="$ans"
+prefixexp="$ansexp"
+
+: set the prefixit variable, to compute a suitable default value
+prefixit='case "$3" in
+""|none)
+ case "$oldprefix" in
+ "") eval "$1=\"\$$2\"";;
*)
- echo "Good old $cppstdin $cppminus does not seem to be of any help..."
- ;;
+ case "$3" in
+ "") eval "$1=";;
+ none)
+ eval "tp=\"\$$2\"";
+ case "$tp" in
+ ""|" ") eval "$1=\"\$$2\"";;
+ *) eval "$1=";;
+ esac;;
+ esac;;
+ esac;;
+*)
+ eval "tp=\"$oldprefix-\$$2-\""; eval "tp=\"$tp\"";
+ case "$tp" in
+ --|/*--|\~*--) eval "$1=\"$prefix/$3\"";;
+ /*-$oldprefix/*|\~*-$oldprefix/*)
+ eval "$1=\`echo \$$2 | sed \"s,^$oldprefix,$prefix,\"\`";;
+ *) eval "$1=\"\$$2\"";;
+ esac;;
+esac'
+
+: determine where private library files go
+: Usual default is /usr/local/lib/perl5. Also allow things like
+: /opt/perl/lib, since /opt/perl/lib/perl5 would be redundant.
+case "$prefix" in
+*perl*) set dflt privlib lib ;;
+*) set dflt privlib lib/$package ;;
+esac
+eval $prefixit
+$cat <<EOM
+
+There are some auxiliary files for $package that need to be put into a
+private library directory that is accessible by everyone.
+
+EOM
+fn=d~+
+rp='Pathname where the private library files will reside?'
+. ./getfile
+if $test "X$privlibexp" != "X$ansexp"; then
+ installprivlib=''
+fi
+privlib="$ans"
+privlibexp="$ansexp"
+if $afs; then
+ $cat <<EOM
+
+Since you are running AFS, I need to distinguish the directory in which
+private files reside from the directory in which they are installed (and from
+which they are presumably copied to the former directory by occult means).
+
+EOM
+ case "$installprivlib" in
+ '') dflt=`echo $privlibexp | sed 's#^/afs/#/afs/.#'`;;
+ *) dflt="$installprivlib";;
esac
+ fn=de~
+ rp='Where will private files be installed?'
+ . ./getfile
+ installprivlib="$ans"
+else
+ installprivlib="$privlibexp"
fi
-if $ok; then
- : nothing
-elif echo 'Maybe "'"$cc"' -E" will work...'; \
- $cc -E <testcpp.c >testcpp.out 2>&1; \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
- echo "Yup, it does."
- x_cpp="$cc -E"
- x_minus='';
-elif echo 'Nope...maybe "'"$cc"' -E -" will work...'; \
- $cc -E - <testcpp.c >testcpp.out 2>&1; \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
- echo "Yup, it does."
- x_cpp="$cc -E"
- x_minus='-';
-elif echo 'Nope...maybe "'"$cc"' -P" will work...'; \
- $cc -P <testcpp.c >testcpp.out 2>&1; \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
- echo "Yipee, that works!"
- x_cpp="$cc -P"
- x_minus='';
-elif echo 'Nope...maybe "'"$cc"' -P -" will work...'; \
- $cc -P - <testcpp.c >testcpp.out 2>&1; \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
- echo "At long last!"
- x_cpp="$cc -P"
- x_minus='-';
-elif echo 'No such luck, maybe "'$cpp'" will work...'; \
- $cpp <testcpp.c >testcpp.out 2>&1; \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
- echo "It works!"
- x_cpp="$cpp"
- x_minus='';
-elif echo 'Nixed again...maybe "'$cpp' -" will work...'; \
- $cpp - <testcpp.c >testcpp.out 2>&1; \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
- echo "Hooray, it works! I was beginning to wonder."
- x_cpp="$cpp"
- x_minus='-';
-elif echo 'Uh-uh. Time to get fancy. Trying a wrapper...'; \
- $wrapper <testcpp.c >testcpp.out 2>&1; \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
- x_cpp="$wrapper"
- x_minus=''
- echo "Eureka!"
+: set the base revision
+baserev=5.0
+
+: get the patchlevel
+echo " "
+echo "Getting the current patchlevel..." >&4
+if $test -r ../patchlevel.h;then
+ patchlevel=`awk '/PATCHLEVEL/ {print $3}' < ../patchlevel.h`
+ subversion=`awk '/SUBVERSION/ {print $3}' < ../patchlevel.h`
else
- dflt=''
- rp="No dice. I can't find a C preprocessor. Name one:"
- . ./myread
- x_cpp="$ans"
- x_minus=''
- $x_cpp <testcpp.c >testcpp.out 2>&1
- if $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
- echo "OK, that will do." >&4
- else
-echo "Sorry, I can't get that to work. Go find one and rerun Configure." >&4
- exit 1
- fi
+ patchlevel=0
+ subversion=0
fi
+echo "(You have $package $baserev PL$patchlevel sub$subversion.)"
-case "$ok" in
-false)
- cppstdin="$x_cpp"
- cppminus="$x_minus"
- cpprun="$x_cpp"
- cpplast="$x_minus"
- set X $x_cpp
- shift
- case "$1" in
- "$cpp")
- echo "Perhaps can we force $cc -E using a wrapper..."
- if $wrapper <testcpp.c >testcpp.out 2>&1; \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
- then
- echo "Yup, we can."
- cppstdin="$wrapper"
- cppminus='';
- else
- echo "Nope, we'll have to live without it..."
- fi
+: set the prefixup variable, to restore leading tilda escape
+prefixup='case "$prefixexp" in
+"$prefix") ;;
+*) eval "$1=\`echo \$$1 | sed \"s,^$prefixexp,$prefix,\"\`";;
+esac'
+
+: determine where public architecture dependent libraries go
+set archlib archlib
+eval $prefixit
+case "$archlib" in
+'')
+ case "$privlib" in
+ '')
+ dflt=`./loc . "." $prefixexp/lib /usr/local/lib /usr/lib /lib`
+ set dflt
+ eval $prefixup
;;
- esac
- case "$cpprun" in
- "$wrapper")
- cpprun=''
- cpplast=''
+ *) version=`echo $baserev $patchlevel $subversion | \
+ $awk '{print $1 + $2/1000.0 + $3/100000.0}'`
+ dflt="$privlib/$archname/$version"
;;
esac
;;
+*) dflt="$archlib";;
esac
+cat <<EOM
-case "$cppstdin" in
-"$wrapper") ;;
-*) $rm -f $wrapper;;
-esac
-$rm -f testcpp.c testcpp.out
+$spackage contains architecture-dependent library files. If you are
+sharing libraries in a heterogeneous environment, you might store
+these files in a separate location. Otherwise, you can just include
+them with the rest of the public library files.
-: determine optimize, if desired, or use for debug flag also
-case "$optimize" in
-' ') dflt='none';;
-'') dflt='-O';;
-*) dflt="$optimize";;
-esac
-$cat <<EOH
+EOM
+fn=d+~
+rp='Where do you want to put the public architecture-dependent libraries?'
+. ./getfile
+archlib="$ans"
+archlibexp="$ansexp"
-Some C compilers have problems with their optimizers, by default, $package
-compiles with the -O flag to use the optimizer. Alternately, you might want
-to use the symbolic debugger, which uses the -g flag (on traditional Unix
-systems). Either flag can be specified here. To use neither flag, specify
-the word "none".
+if $afs; then
+ $cat <<EOM
-EOH
-rp="What optimizer/debugger flag should be used?"
-. ./myread
-optimize="$ans"
-case "$optimize" in
-'none') optimize=" ";;
-esac
+Since you are running AFS, I need to distinguish the directory in which
+private files reside from the directory in which they are installed (and from
+which they are presumably copied to the former directory by occult means).
-dflt=''
-case "$ccflags" in
-'')
- case "$gccversion" in
- 1*) dflt='-fpcc-struct-return' ;;
+EOM
+ case "$installarchlib" in
+ '') dflt=`echo $archlibexp | sed 's#^/afs/#/afs/.#'`;;
+ *) dflt="$installarchlib";;
esac
- case "$optimize" in
- *-g*) dflt="$dflt -DDEBUGGING";;
- esac
- case "$gccversion" in
- 2*) if test -d /etc/conf/kconfig.d &&
- $contains _POSIX_VERSION $usrinc/sys/unistd.h >/dev/null 2>&1
- then
- dflt="$dflt -posix"
- fi
- ;;
- esac
- ;;
-esac
-
-case "$mips_type" in
-*BSD*) ;;
-'') ;;
-*) inclwanted="$inclwanted $usrinc/bsd";;
-esac
-for thisincl in $inclwanted; do
- if $test -d $thisincl; then
- if $test x$thisincl != x$usrinc; then
- case "$dflt" in
- *$thisincl*);;
- *) dflt="$dflt -I$thisincl";;
- esac
- fi
- fi
-done
-
-inctest='if $contains $2 $usrinc/$1 >/dev/null 2>&1; then
- xxx=true;
-elif $contains $2 $usrinc/sys/$1 >/dev/null 2>&1; then
- xxx=true;
+ fn=de~
+ rp='Where will architecture-dependent library files be installed?'
+ . ./getfile
+ installarchlib="$ans"
else
- xxx=false;
-fi;
-if $xxx; then
- case "$dflt" in
- *$2*);;
- *) dflt="$dflt -D$2";;
- esac;
-fi'
-
-if ./osf1; then
- set signal.h __LANGUAGE_C__; eval $inctest
+ installarchlib="$archlibexp"
+fi
+if $test X"$archlib" = X"$privlib"; then
+ d_archlib="$undef"
else
- set signal.h LANGUAGE_C; eval $inctest
+ d_archlib="$define"
fi
-set signal.h NO_PROTOTYPE; eval $inctest
-set signal.h _NO_PROTO; eval $inctest
-
-case "$dflt" in
-'') dflt=none;;
-esac
-case "$ccflags" in
-'') ;;
-*) dflt="$ccflags";;
-esac
-$cat <<EOH
-
-Your C compiler may want other flags. For this question you should include
--I/whatever and -DWHATEVER flags and any other flags used by the C compiler,
-but you should NOT include libraries or ld flags like -lwhatever. If you
-want $package to honor its debug switch, you should include -DDEBUGGING here.
-Your C compiler might also need additional flags, such as -D_POSIX_SOURCE,
--DHIDEMYMALLOC or -DCRIPPLED_CC.
-
-To use no flags, specify the word "none".
-EOH
-set X $dflt
-shift
-dflt=${1+"$@"}
-rp="Any additional cc flags?"
+: set up the script used to warn in case of inconsistency
+cat <<'EOSC' >whoa
+dflt=y
+echo " "
+echo "*** WHOA THERE!!! ***" >&4
+echo " The $hint value for \$$var on this machine was \"$was\"!" >&4
+rp=" Keep the $hint value?"
. ./myread
case "$ans" in
-none) ccflags='';;
-*) ccflags="$ans";;
+y) td=$was; tu=$was;;
esac
+EOSC
-: the following weeds options from ccflags that are of no interest to cpp
-cppflags="$ccflags"
-case "$gccversion" in
-1*) cppflags="$cppflags -D__GNUC__"
-esac
-case "$mips_type" in
-'');;
-*BSD*) cppflags="$cppflags -DSYSTYPE_BSD43";;
-esac
-case "$cppflags" in
-'');;
-*)
- echo " "
- echo "Let me guess what the preprocessor flags are..." >&4
- set X $cppflags
- shift
- cppflags=''
- $cat >cpp.c <<'EOM'
-#define BLURFL foo
+: function used to set $1 to $val
+setvar='var=$1; eval "was=\$$1"; td=$define; tu=$undef;
+case "$val$was" in
+$define$undef) . ./whoa; eval "$var=\$td";;
+$undef$define) . ./whoa; eval "$var=\$tu";;
+*) eval "$var=$val";;
+esac'
-BLURFL xx LFRULB
-EOM
- previous=''
- for flag in $*
- do
- case "$flag" in
- -*) ftry="$flag";;
- *) ftry="$previous $flag";;
- esac
- if $cppstdin -DLFRULB=bar $ftry $cppminus <cpp.c \
- >cpp1.out 2>/dev/null && \
- $cpprun -DLFRULB=bar $ftry $cpplast <cpp.c \
- >cpp2.out 2>/dev/null && \
- $contains 'foo.*xx.*bar' cpp1.out >/dev/null 2>&1 && \
- $contains 'foo.*xx.*bar' cpp2.out >/dev/null 2>&1
- then
- cppflags="$cppflags $ftry"
- previous=''
+: make some quick guesses about what we are up against
+echo " "
+$echo $n "Hmm... $c"
+echo exit 1 >bsd
+echo exit 1 >usg
+echo exit 1 >v7
+echo exit 1 >osf1
+echo exit 1 >eunice
+echo exit 1 >xenix
+echo exit 1 >venix
+d_bsd="$undef"
+$cat /usr/include/signal.h /usr/include/sys/signal.h >foo 2>/dev/null
+if test -f /osf_boot || $contains 'OSF/1' /usr/include/ctype.h >/dev/null 2>&1
+then
+ echo "Looks kind of like an OSF/1 system, but we'll see..."
+ echo exit 0 >osf1
+elif test `echo abc | tr a-z A-Z` = Abc ; then
+ xxx=`./loc addbib blurfl $pth`
+ if $test -f $xxx; then
+ echo "Looks kind of like a USG system with BSD features, but we'll see..."
+ echo exit 0 >bsd
+ echo exit 0 >usg
+ else
+ if $contains SIGTSTP foo >/dev/null 2>&1 ; then
+ echo "Looks kind of like an extended USG system, but we'll see..."
else
- previous="$flag"
+ echo "Looks kind of like a USG system, but we'll see..."
fi
- done
- set X $cppflags
- shift
- cppflags=${1+"$@"}
- case "$cppflags" in
- *-*) echo "They appear to be: $cppflags";;
- esac
- $rm -f cpp.c cpp?.out
+ echo exit 0 >usg
+ fi
+elif $contains SIGTSTP foo >/dev/null 2>&1 ; then
+ echo "Looks kind of like a BSD system, but we'll see..."
+ d_bsd="$define"
+ echo exit 0 >bsd
+else
+ echo "Looks kind of like a Version 7 system, but we'll see..."
+ echo exit 0 >v7
+fi
+case "$eunicefix" in
+*unixtovms*)
+ $cat <<'EOI'
+There is, however, a strange, musty smell in the air that reminds me of
+something...hmm...yes...I've got it...there's a VMS nearby, or I'm a Blit.
+EOI
+ echo exit 0 >eunice
+ d_eunice="$define"
+: it so happens the Eunice I know will not run shell scripts in Unix format
+ ;;
+*)
+ echo " "
+ echo "Congratulations. You aren't running Eunice."
+ d_eunice="$undef"
;;
esac
-
-: flags used in final linking phase
-case "$ldflags" in
-'') if ./venix; then
- dflt='-i -z'
+if test -f /xenix; then
+ echo "Actually, this looks more like a XENIX system..."
+ echo exit 0 >xenix
+ d_xenix="$define"
+else
+ echo " "
+ echo "It's not Xenix..."
+ d_xenix="$undef"
+fi
+chmod +x xenix
+$eunicefix xenix
+if test -f /venix; then
+ echo "Actually, this looks more like a VENIX system..."
+ echo exit 0 >venix
+else
+ echo " "
+ if ./xenix; then
+ : null
else
- dflt=''
+ echo "Nor is it Venix..."
fi
- case "$ccflags" in
- *-posix*) dflt="$dflt -posix" ;;
- esac
- case "$dflt" in
- '') dflt='none' ;;
- esac
- ;;
-*) dflt="$ldflags";;
-esac
-echo " "
-rp="Any additional ld flags (NOT including libraries)?"
-. ./myread
-case "$ans" in
-none) ldflags='';;
-*) ldflags="$ans";;
-esac
-rmlist="$rmlist pdp11"
+fi
+chmod +x bsd usg v7 osf1 eunice xenix venix
+$eunicefix bsd usg v7 osf1 eunice xenix venix
+$rm -f foo
-: Set private lib path
-case "$plibpth" in
-'') if ./mips; then
- plibpth="$incpath/usr/lib /usr/local/lib /usr/ccs/lib"
- fi;;
-esac
-case "$libpth" in
-' ') dlist='';;
-'') dlist="$plibpth $glibpth";;
-*) dlist="$libpth";;
-esac
+: see if setuid scripts can be secure
+$cat <<EOM
-: Now check and see which directories actually exist, avoiding duplicates
-libpth=''
-for xxx in $dlist
-do
- if $test -d $xxx; then
- case " $libpth " in
- *" $xxx "*) ;;
- *) libpth="$libpth $xxx";;
- esac
- fi
-done
-$cat <<'EOM'
+Some kernels have a bug that prevents setuid #! scripts from being
+secure. Some sites have disabled setuid #! scripts because of this.
-Some systems have incompatible or broken versions of libraries. Among
-the directories listed in the question below, please remove any you
-know not to be holding relevant libraries, and add any that are needed.
-Say "none" for none.
+First let's decide if your kernel supports secure setuid #! scripts.
+(If setuid #! scripts would be secure but have been disabled anyway,
+don't say that they are secure if asked.)
EOM
-case "$libpth" in
-'') dflt='none';;
-*)
- set X $libpth
- shift
- dflt=${1+"$@"}
- ;;
-esac
-rp="Directories to use for library searches?"
-. ./myread
-case "$ans" in
-none) libpth=' ';;
-*) libpth="$ans";;
-esac
-: compute shared library extension
-case "$so" in
-'')
- if xxx=`./loc libc.sl X $libpth`; $test -f "$xxx"; then
- dflt='sl'
+val="$undef"
+if $test -d /dev/fd; then
+ echo "#!$ls" >reflect
+ chmod +x,u+s reflect
+ ./reflect >flect 2>&1
+ if $contains "/dev/fd" flect >/dev/null; then
+ echo "Congratulations, your kernel has secure setuid scripts!" >&4
+ val="$define"
else
- dflt='so'
- fi
- ;;
-*) dflt="$so";;
-esac
-$cat <<EOM
-
-On some systems, shared libraries may be available. Answer 'none' if
-you want to suppress searching of shared libraries for the remaining
-of this configuration.
+ $cat <<EOM
+If you are not sure if they are secure, I can check but I'll need a
+username and password different from the one you are using right now.
+If you don't have such a username or don't want me to test, simply
+enter 'none'.
EOM
-rp='What is the file extension used for shared libraries?'
-. ./myread
-so="$ans"
-
-: Looking for optional libraries
-echo " "
-echo "Checking for optional libraries..." >&4
-case "$libs" in
-' '|'') dflt='';;
-*) dflt="$libs";;
-esac
-case "$libswanted" in
-'') libswanted='c_s';;
-esac
-for thislib in $libswanted; do
-
- if xxx=`./loc lib$thislib.$so.[0-9]'*' X $libpth`; $test -f "$xxx"; then
- echo "Found -l$thislib (shared)."
- case " $dflt " in
- *"-l$thislib "*);;
- *) dflt="$dflt -l$thislib";;
- esac
- elif xxx=`./loc lib$thislib.$so X $libpth` ; $test -f "$xxx"; then
- echo "Found -l$thislib (shared)."
- case " $dflt " in
- *"-l$thislib "*);;
- *) dflt="$dflt -l$thislib";;
- esac
- elif xxx=`./loc lib$thislib.a X $libpth`; $test -f "$xxx"; then
- echo "Found -l$thislib."
- case " $dflt " in
- *"-l$thislib "*);;
- *) dflt="$dflt -l$thislib";;
- esac
- elif xxx=`./loc lib${thislib}_s.a X $libpth`; $test -f "$xxx"; then
- echo "Found -l${thislib}_s."
- case " $dflt " in
- *"-l$thislib "*);;
- *) dflt="$dflt -l${thislib}_s";;
+ rp='Other username to test security of setuid scripts with?'
+ dflt='none'
+ . ./myread
+ case "$ans" in
+ n|none)
+ case "$d_suidsafe" in
+ '') echo "I'll assume setuid scripts are *not* secure." >&4
+ dflt=n;;
+ "$undef")
+ echo "Well, the $hint value is *not* secure." >&4
+ dflt=n;;
+ *) echo "Well, the $hint value *is* secure." >&4
+ dflt=y;;
+ esac
+ ;;
+ *)
+ $rm -f reflect flect
+ echo "#!$ls" >reflect
+ chmod +x,u+s reflect
+ echo >flect
+ chmod a+w flect
+ echo '"su" will (probably) prompt you for '"$ans's password."
+ su $ans -c './reflect >flect'
+ if $contains "/dev/fd" flect >/dev/null; then
+ echo "Okay, it looks like setuid scripts are secure." >&4
+ dflt=y
+ else
+ echo "I don't think setuid scripts are secure." >&4
+ dflt=n
+ fi
+ ;;
esac
- elif xxx=`./loc Slib$thislib.a X $xlibpth`; $test -f "$xxx"; then
- echo "Found -l$thislib."
- case " $dflt " in
- *"-l$thislib "*);;
- *) dflt="$dflt -l$thislib";;
+ rp='Does your kernel have *secure* setuid scripts?'
+ . ./myread
+ case "$ans" in
+ [yY]*) val="$define";;
+ *) val="$undef";;
esac
- else
- echo "No -l$thislib."
fi
-done
-set X $dflt
-shift
-dflt="$*"
-case "$libs" in
-'') dflt="$dflt";;
-*) dflt="$libs";;
-esac
-case "$dflt" in
-' '|'') dflt='none';;
-esac
-
-$cat <<EOM
-
-Some versions of Unix support shared libraries, which make executables smaller
-but make load time slightly longer.
+else
+ echo "I don't think setuid scripts are secure (no /dev/fd directory)." >&4
+ val="$undef"
+fi
+set d_suidsafe
+eval $setvar
-On some systems, mostly newer Unix System V's, the shared library is included
-by putting the option "-lc_s" as the last thing on the cc command line when
-linking. Other systems use shared libraries by default. There may be other
-libraries needed to compile $package on your machine as well. If your system
-needs the "-lc_s" option, include it here. Include any other special libraries
-here as well. Say "none" for none.
-EOM
+$rm -f reflect flect
+: now see if they want to do setuid emulation
echo " "
-rp="Any additional libraries?"
-. ./myread
-case "$ans" in
-none) libs=' ';;
-*) libs="$ans";;
-esac
-
-: see if nm is to be used to determine whether a symbol is defined or not
-case "$usenm" in
-'')
- dflt=`egrep 'inlibc|csym' ../Configure | wc -l 2>/dev/null`
- if $test $dflt -gt 20; then
- dflt=y
- else
- dflt=n
- fi
+val="$undef"
+case "$d_suidsafe" in
+"$define")
+ val="$undef"
+ echo "No need to emulate SUID scripts since they are secure here." >& 4
;;
*)
- case "$usenm" in
- true) dflt=y;;
- *) dflt=n;;
+ $cat <<EOM
+Some systems have disabled setuid scripts, especially systems where
+setuid scripts cannot be secure. On systems where setuid scripts have
+been disabled, the setuid/setgid bits on scripts are currently
+useless. It is possible for $package to detect those bits and emulate
+setuid/setgid in a secure fashion. This emulation will only work if
+setuid scripts have been disabled in your kernel.
+
+EOM
+ case "$d_dosuid" in
+ "$define") dflt=y ;;
+ *) dflt=n ;;
+ esac
+ rp="Do you want to do setuid/setgid emulation?"
+ . ./myread
+ case "$ans" in
+ [yY]*) val="$define";;
+ *) val="$undef";;
esac
;;
esac
+set d_dosuid
+eval $setvar
+
+: determine where site specific libraries go.
+set sitelib sitelib
+eval $prefixit
+case "$sitelib" in
+'') dflt="$privlib/site_perl" ;;
+*) dflt="$sitelib" ;;
+esac
$cat <<EOM
-I can use 'nm' to extract the symbols from your C libraries. This is a time
-consuming task which may generate huge output on the disk (up to 3 megabytes)
-but that should make the symbols extraction faster. The alternative is to skip
-the 'nm' extraction part and to compile a small test program instead to
-determine whether each symbol is present. If you have a fast C compiler and/or
-if your 'nm' output cannot be parsed, this may be the best solution.
+The installation process will also create a directory for
+site-specific extensions and modules. Some users find it convenient
+to place all local files in this directory rather than in the main
+distribution directory.
EOM
-rp='Shall I use nm to extract C symbols from the libraries?'
-. ./myread
-case "$ans" in
-n|N) usenm=false;;
-*) usenm=true;;
-esac
+fn=d~+
+rp='Pathname for the site-specific library files?'
+. ./getfile
+if $test "X$sitelibexp" != "X$ansexp"; then
+ installsitelib=''
+fi
+sitelib="$ans"
+sitelibexp="$ansexp"
+if $afs; then
+ $cat <<EOM
-runnm=$usenm
-case "$reuseval" in
-true) runnm=false;;
+Since you are running AFS, I need to distinguish the directory in which
+private files reside from the directory in which they are installed (and from
+which they are presumably copied to the former directory by occult means).
+
+EOM
+ case "$installsitelib" in
+ '') dflt=`echo $sitelibexp | sed 's#^/afs/#/afs/.#'`;;
+ *) dflt="$installsitelib";;
+ esac
+ fn=de~
+ rp='Where will private files be installed?'
+ . ./getfile
+ installsitelib="$ans"
+else
+ installsitelib="$sitelibexp"
+fi
+
+: determine where site specific architecture-dependent libraries go.
+xxx=`echo $sitelib/$archname | sed 's!^$prefix!!'`
+: xxx is usuually lib/site_perl/archname.
+set sitearch sitearch none
+eval $prefixit
+case "$sitearch" in
+'') dflt="$sitelib/$archname" ;;
+*) dflt="$sitearch" ;;
esac
+$cat <<EOM
-: nm options which may be necessary
-case "$nm_opt" in
-'') if $test -f /mach_boot; then
- nm_opt=''
- elif $test -d /usr/ccs/lib; then
- nm_opt='-p'
- elif $test -f /dgux; then
- nm_opt='-p'
- else
- nm_opt=''
- fi;;
-esac
+The installation process will also create a directory for
+architecture-dependent site-specific extensions and modules.
-case "$runnm" in
-true)
-: get list of predefined functions in a handy place
-echo " "
-case "$libc" in
-'') libc=unknown
- case "$libs" in
- *-lc_s*) libc=`./loc libc_s.a $libc $libpth`
+EOM
+fn=nd~+
+rp='Pathname for the site-specific architecture-dependent library files?'
+. ./getfile
+if $test "X$sitearchexp" != "X$ansexp"; then
+ installsitearch=''
+fi
+sitearch="$ans"
+sitearchexp="$ansexp"
+if $afs; then
+ $cat <<EOM
+
+Since you are running AFS, I need to distinguish the directory in which
+private files reside from the directory in which they are installed (and from
+which they are presumably copied to the former directory by occult means).
+
+EOM
+ case "$installsitearch" in
+ '') dflt=`echo $sitearchexp | sed 's#^/afs/#/afs/.#'`;;
+ *) dflt="$installsitearch";;
esac
- ;;
-esac
-libnames='';
-case "$libs" in
-'') ;;
-*) for thislib in $libs; do
- case "$thislib" in
- -lc|-lc_s)
- : Handle C library specially below.
- ;;
- -l*)
- thislib=`echo $thislib | $sed -e 's/^-l//'`
- if try=`./loc lib$thislib.$so.'*' X $libpth`; $test -f "$try"; then
- :
- elif try=`./loc lib$thislib.$so X $libpth`; $test -f "$try"; then
- :
- elif try=`./loc lib$thislib.a X $libpth`; $test -f "$try"; then
- :
- elif try=`./loc lib$thislib X $libpth`; $test -f "$try"; then
- :
- elif try=`./loc $thislib X $libpth`; $test -f "$try"; then
- :
- elif try=`./loc Slib$thislib.a X $xlibpth`; $test -f "$try"; then
- :
- else
- try=''
- fi
- libnames="$libnames $try"
+ fn=de~
+ rp='Where will private files be installed?'
+ . ./getfile
+ installsitearch="$ans"
+else
+ installsitearch="$sitearchexp"
+fi
+
+: determine where old public architecture dependent libraries might be
+case "$oldarchlib" in
+'') case "$privlib" in
+ '') ;;
+ *) dflt="$privlib/$archname"
;;
- *) libnames="$libnames $thislib" ;;
esac
- done
- ;;
-esac
-xxx=normal
-case "$libc" in
-unknown)
- set /usr/ccs/lib/libc.$so
- $test -r $1 || set /usr/lib/libc.$so
- $test -r $1 || set /usr/shlib/libc.$so
- $test -r $1 || set /usr/lib/libc.$so.[0-9]*
- $test -r $1 || set /lib/libc.$so
- $test -r $1 || set /lib/libsys_s.a
- eval set \$$#
;;
-*)
- set blurfl
+*) dflt="$oldarchlib"
;;
esac
-if $test -r "$1"; then
- echo "Your (shared) C library seems to be in $1."
- libc="$1"
-elif $test -r /lib/libc && $test -r /lib/clib; then
- echo "Your C library seems to be in both /lib/clib and /lib/libc."
- xxx=apollo
- libc='/lib/clib /lib/libc'
- if $test -r /lib/syslib; then
- echo "(Your math library is in /lib/syslib.)"
- libc="$libc /lib/syslib"
- fi
-elif $test -r "$libc" || (test -h "$libc") >/dev/null 2>&1; then
- echo "Your C library seems to be in $libc, as you said before."
-elif $test -r $incpath/usr/lib/libc.a; then
- libc=$incpath/usr/lib/libc.a;
- echo "Your C library seems to be in $libc. That's fine."
-elif $test -r /lib/libc.a; then
- libc=/lib/libc.a;
- echo "Your C library seems to be in $libc. You're normal."
-else
- if tans=`./loc libc.a blurfl/dyick $libpth`; $test -r "$tans"; then
- :
- elif tans=`./loc libc blurfl/dyick $libpth`; $test -r "$tans"; then
- libnames="$libnames "`./loc clib blurfl/dyick $libpth`
- elif tans=`./loc clib blurfl/dyick $libpth`; $test -r "$tans"; then
- :
- elif tans=`./loc Slibc.a blurfl/dyick $xlibpth`; $test -r "$tans"; then
- :
- elif tans=`./loc Mlibc.a blurfl/dyick $xlibpth`; $test -r "$tans"; then
- :
- else
- tans=`./loc Llibc.a blurfl/dyick $xlibpth`
- fi
- if $test -r "$tans"; then
- echo "Your C library seems to be in $tans, of all places."
- libc=$tans
- else
- libc='blurfl'
- fi
+if $test ! -d "$dflt/auto"; then
+ dflt=none
fi
-if $test $xxx = apollo -o -r "$libc" || (test -h "$libc") >/dev/null 2>&1; then
- dflt="$libc"
- cat <<EOM
+cat <<EOM
-If the guess above is wrong (which it might be if you're using a strange
-compiler, or your machine supports multiple models), you can override it here.
+In 5.001, Perl stored architecture-dependent library files in a library
+with a name such as $privlib/$archname,
+and this directory contained files from the standard extensions and
+files from any additional extensions you might have added. Starting
+with version 5.002, all the architecture-dependent standard extensions
+will go into $archlib,
+while locally-added extensions will go into
+$sitearch.
-EOM
-else
- dflt=''
- echo $libpth | tr ' ' '\012' | sort | uniq > libpath
- cat >&4 <<EOM
-I can't seem to find your C library. I've looked in the following places:
+If you wish Perl to continue to search the old architecture-dependent
+library for your local extensions, give the path to that directory.
+If you do not wish to use your old architecture-dependent library
+files, answer 'none'.
EOM
- $sed 's/^/ /' libpath
- cat <<EOM
+fn=dn~
+rp='Directory for your old 5.001 architecture-dependent libraries?'
+. ./getfile
+oldarchlib="$ans"
+oldarchlibexp="$ansexp"
+case "$oldarchlib" in
+''|' ') val="$undef" ;;
+*) val="$define" ;;
+esac
+set d_oldarchlib
+eval $setvar
-None of these seems to contain your C library. I need to get its name...
+: determine where public executables go
+echo " "
+set dflt bin bin
+eval $prefixit
+fn=d~
+rp='Pathname where the public executables will reside?'
+. ./getfile
+if $test "X$ansexp" != "X$binexp"; then
+ installbin=''
+fi
+bin="$ans"
+binexp="$ansexp"
+if $afs; then
+ $cat <<EOM
+
+Since you are running AFS, I need to distinguish the directory in which
+executables reside from the directory in which they are installed (and from
+which they are presumably copied to the former directory by occult means).
EOM
+ case "$installbin" in
+ '') dflt=`echo $binexp | sed 's#^/afs/#/afs/.#'`;;
+ *) dflt="$installbin";;
+ esac
+ fn=de~
+ rp='Where will public executables be installed?'
+ . ./getfile
+ installbin="$ans"
+else
+ installbin="$binexp"
fi
-fn=f
-rp='Where is your C library?'
-. ./getfile
-libc="$ans"
+: determine where manual pages are on this system
echo " "
-echo $libc $libnames | tr ' ' '\012' | sort | uniq > libnames
-set X `cat libnames`
-shift
-xxx=files
-case $# in 1) xxx=file; esac
-echo "Extracting names from the following $xxx for later perusal:" >&4
-echo " "
-$sed 's/^/ /' libnames >&4
-echo " "
-$echo $n "This may take a while...$c" >&4
-
-nm $nm_opt $* 2>/dev/null >libc.tmp
-$echo $n ".$c"
-$grep fprintf libc.tmp > libc.ptf
-xscan='eval "<libc.ptf $com >libc.list"; $echo $n ".$c" >&4'
-xrun='eval "<libc.tmp $com >libc.list"; echo "done" >&4'
-if com="$sed -n -e 's/__IO//' -e 's/^.* [ADTSIW] *_[_.]*//p' -e 's/^.* [ADTSIW] //p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$sed -n -e 's/^__*//' -e 's/^\([a-zA-Z_0-9$]*\).*xtern.*/\1/p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$sed -n -e '/|UNDEF/d' -e '/FUNC..GL/s/^.*|__*//p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$sed -n -e 's/^.* D __*//p' -e 's/^.* D //p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$sed -n -e 's/^_//' -e 's/^\([a-zA-Z_0-9]*\).*xtern.*text.*/\1/p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$sed -n -e 's/^.*|FUNC |GLOB .*|//p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$grep '|' | $sed -n -e '/|COMMON/d' -e '/|DATA/d' \
- -e '/ file/d' -e 's/^\([^ ]*\).*/\1/p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$sed -n -e 's/^.*|FUNC |GLOB .*|//p' -e 's/^.*|FUNC |WEAK .*|//p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$sed -n -e 's/^__//' -e '/|Undef/d' -e '/|Proc/s/ .*//p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$sed -n -e '/Def. Text/s/.* \([^ ]*\)\$/\1/p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
+case "$sysman" in
+'')
+ syspath='/usr/man/man1 /usr/man/mann /usr/man/manl /usr/man/local/man1'
+ syspath="$syspath /usr/man/u_man/man1 /usr/share/man/man1"
+ syspath="$syspath /usr/catman/u_man/man1 /usr/man/l_man/man1"
+ syspath="$syspath /usr/local/man/u_man/man1 /usr/local/man/l_man/man1"
+ syspath="$syspath /usr/man/man.L /local/man/man1 /usr/local/man/man1"
+ sysman=`./loc . /usr/man/man1 $syspath`
+ ;;
+esac
+if $test -d "$sysman"; then
+ echo "System manual is in $sysman." >&4
else
- nm -p $* 2>/dev/null >libc.tmp
- com="$sed -n -e 's/^.* [ADTSIW] *_[_.]*//p' -e 's/^.* [ADTSIW] //p'";\
- eval "<libc.tmp $com >libc.list"
- if $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- nm_opt='-p'
- echo "done" >&4
- else
- echo " "
- echo "nm didn't seem to work right. Trying ar instead..." >&4
- com=''
- if ar t $libc > libc.tmp; then
- for thisname in $libnames; do
- ar t $thisname >>libc.tmp
- done
- $sed -e 's/\.o$//' < libc.tmp > libc.list
- echo "Ok." >&4
- else
- echo "ar didn't seem to work right." >&4
- echo "Maybe this is a Cray...trying bld instead..." >&4
- if bld t $libc | $sed -e 's/.*\///' -e 's/\.o:.*$//' > libc.list; then
- for thisname in $libnames; do
- bld t $libnames | \
- $sed -e 's/.*\///' -e 's/\.o:.*$//' >>libc.list
- ar t $thisname >>libc.tmp
- done
- echo "Ok." >&4
- else
- echo "That didn't work either. Giving up." >&4
- exit 1
- fi
- fi
- fi
+ echo "Could not find manual pages in source form." >&4
fi
-nm_extract="$com"
-if $test -f /lib/syscalls.exp; then
- echo " "
- echo "Also extracting names from /lib/syscalls.exp for good ole AIX..." >&4
- $sed -n 's/^\([^ ]*\)[ ]*syscall$/\1/p' /lib/syscalls.exp >>libc.list
-fi
-;;
-esac
-$rm -f libnames libpath
-: is a C symbol defined?
-csym='tlook=$1;
-case "$3" in
--v) tf=libc.tmp; tc=""; tdc="";;
--a) tf=libc.tmp; tc="[0]"; tdc=[];;
-*) tlook="^$1\$"; tf=libc.list; tc="()"; tdc="()";;
-esac;
-tx=yes;
-case "$reuseval-$4" in
-true-) ;;
-true-*) tx=no; eval "tval=\$$4"; case "$tval" in "") tx=yes;; esac;;
-esac;
-case "$tx" in
-yes)
- case "$runnm" in
- true)
- if $contains $tlook $tf >/dev/null 2>&1;
- then tval=true;
- else tval=false;
- fi;;
- *)
- echo "main() { extern int $1$tdc; printf(\"%d\", $1$tc); }" > t.c;
- if $cc $ccflags -o t t.c $ldflags $libs >/dev/null 2>&1;
- then tval=true;
- else tval=false;
- fi;
- $rm -f t t.c;;
- esac;;
-*)
- case "$tval" in
- $define) tval=true;;
- *) tval=false;;
- esac;;
-esac;
-eval "$2=$tval"'
+: determine where manual pages go
+set man1dir man1dir none
+eval $prefixit
+$cat <<EOM
-: set up the script used to warn in case of inconsistency
-cat <<'EOSC' >whoa
-dflt=y
+$spackage has manual pages available in source form.
+EOM
+case "$nroff" in
+nroff)
+ echo "However, you don't have nroff, so they're probably useless to you."
+ case "$man1dir" in
+ '') man1dir="none";;
+ esac;;
+esac
+echo "If you don't want the manual sources installed, answer 'none'."
+case "$man1dir" in
+' ') dflt=none
+ ;;
+'')
+ lookpath="$prefixexp/man/man1 $prefixexp/man/l_man/man1"
+ lookpath="$lookpath $prefixexp/man/p_man/man1"
+ lookpath="$lookpath $prefixexp/man/u_man/man1"
+ lookpath="$lookpath $prefixexp/man/man.1"
+ : If prefix contains 'perl' then we want to keep the man pages
+ : under the prefix directory. Otherwise, look in a variety of
+ : other possible places. This is debatable, but probably a
+ : good compromise. Well, apparently not.
+ : Experience has shown people expect man1dir to be under prefix,
+ : so we now always put it there. Users who want other behavior
+ : can answer interactively or use a command line option.
+ : Does user have System V-style man paths.
+ case "$sysman" in
+ */?_man*) dflt=`./loc . $prefixexp/l_man/man1 $lookpath` ;;
+ *) dflt=`./loc . $prefixexp/man/man1 $lookpath` ;;
+ esac
+ set dflt
+ eval $prefixup
+ ;;
+*) dflt="$man1dir"
+ ;;
+esac
echo " "
-echo "*** WHOA THERE!!! ***" >&4
-echo " The $hint value for \$$var on this machine was \"$was\"!" >&4
-rp=" Keep the $hint value?"
-. ./myread
-case "$ans" in
-y) td=$was; tu=$was;;
+fn=dn+~
+rp="Where do the main $spackage manual pages (source) go?"
+. ./getfile
+if $test "X$man1direxp" != "X$ansexp"; then
+ installman1dir=''
+fi
+man1dir="$ans"
+man1direxp="$ansexp"
+case "$man1dir" in
+'') man1dir=' '
+ installman1dir='';;
esac
-EOSC
+if $afs; then
+ $cat <<EOM
-: define an is-in-libc? function
-inlibc='echo " "; td=$define; tu=$undef;
-sym=$1; var=$2; eval "was=\$$2";
-tx=yes;
-case "$reuseval$was" in
-true) ;;
-true*) tx=no;;
-esac;
-case "$tx" in
-yes)
- set $sym tres -f;
- eval $csym;
- case "$tres" in
- true)
- echo "$sym() found." >&4;
- case "$was" in $undef) . ./whoa; esac; eval "$var=\$td";;
- *)
- echo "$sym() NOT found." >&4;
- case "$was" in $define) . ./whoa; esac; eval "$var=\$tu";;
- esac;;
-*)
- case "$was" in
- $define) echo "$sym() found." >&4;;
- *) echo "$sym() NOT found." >&4;;
- esac;;
-esac'
+Since you are running AFS, I need to distinguish the directory in which
+manual pages reside from the directory in which they are installed (and from
+which they are presumably copied to the former directory by occult means).
-: see if gconvert exists
-set gconvert d_gconvert
-eval $inlibc
+EOM
+ case "$installman1dir" in
+ '') dflt=`echo $man1direxp | sed 's#^/afs/#/afs/.#'`;;
+ *) dflt="$installman1dir";;
+ esac
+ fn=de~
+ rp='Where will man pages be installed?'
+ . ./getfile
+ installman1dir="$ans"
+else
+ installman1dir="$man1direxp"
+fi
-case "$d_gconvert" in
-$define)
- echo "We'll use it to convert floats into a string then." >&4
- d_Gconvert="gconvert((x),(n),(t),(b))"
+: What suffix to use on installed man pages
+
+case "$man1dir" in
+' ')
+ man1ext='0'
;;
*)
- : Maybe we can emulate it with gcvt.
- set gcvt d_gcvt
- eval $inlibc
+ rp="What suffix should be used for the main $spackage man pages?"
+ case "$man1ext" in
+ '') case "$man1dir" in
+ *1) dflt=1 ;;
+ *1p) dflt=1p ;;
+ *1pm) dflt=1pm ;;
+ *l) dflt=l;;
+ *n) dflt=n;;
+ *o) dflt=o;;
+ *p) dflt=p;;
+ *C) dflt=C;;
+ *L) dflt=L;;
+ *L1) dflt=L1;;
+ *) dflt=1;;
+ esac
+ ;;
+ *) dflt="$man1ext";;
+ esac
+ . ./myread
+ man1ext="$ans"
+ ;;
+esac
- case "$d_gcvt" in
- $define)
- : Test whether gcvt drops a trailing decimal point
- $cat >try.c <<'EOP'
-main() {
- char buf[64];
- gcvt(1.0, 8, buf);
- if (buf[0] != '1' || buf[1] != '\0')
- exit(1);
- gcvt(0.0, 8, buf);
- if (buf[0] != '0' || buf[1] != '\0')
- exit(1);
- gcvt(-1.0, 8, buf);
- if (buf[0] != '-' || buf[1] != '1' || buf[2] != '\0')
- exit(1);
- exit(0);
-}
-EOP
- if $cc $ccflags $ldflags -o try try.c $libs > /dev/null 2>&1; then
- if ./try; then
- echo "Good, your gcvt() drops a trailing decimal point."
- echo "We'll use it to convert floats into a string." >&4
- d_Gconvert="gcvt((x),(n),(b))"
+: see if we can have long filenames
+echo " "
+rmlist="$rmlist /tmp/cf$$"
+$test -d /tmp/cf$$ || mkdir /tmp/cf$$
+first=123456789abcdef
+second=/tmp/cf$$/$first
+$rm -f $first $second
+if (echo hi >$first) 2>/dev/null; then
+ if $test -f 123456789abcde; then
+ echo 'You cannot have filenames longer than 14 characters. Sigh.' >&4
+ val="$undef"
+ else
+ if (echo hi >$second) 2>/dev/null; then
+ if $test -f /tmp/cf$$/123456789abcde; then
+ $cat <<'EOM'
+That's peculiar... You can have filenames longer than 14 characters, but only
+on some of the filesystems. Maybe you are using NFS. Anyway, to avoid problems
+I shall consider your system cannot support long filenames at all.
+EOM
+ val="$undef"
else
- echo "But your gcvt() keeps a trailing decimal point".
- d_Gconvert=''
+ echo 'You can have filenames longer than 14 characters.' >&4
+ val="$define"
fi
else
- echo "Hmm. I can't compile the gcvt test program."
- d_Gconvert=''
+ $cat <<'EOM'
+How confusing! Some of your filesystems are sane enough to allow filenames
+longer than 14 characters but some others like /tmp can't even think about them.
+So, for now on, I shall assume your kernel does not allow them at all.
+EOM
+ val="$undef"
fi
- $rm -f try.c try
- ;;
- esac
- case "$d_Gconvert" in
- '')
- echo "I'll use sprintf instead to convert floats into a string." >&4
- d_Gconvert='sprintf((b),"%.*g",(n),(x))'
- ;;
- esac
-esac
+ fi
+else
+ $cat <<'EOM'
+You can't have filenames longer than 14 chars. You can't even think about them!
+EOM
+ val="$undef"
+fi
+set d_flexfnam
+eval $setvar
+$rm -rf /tmp/cf$$ 123456789abcde*
-: Initialize h_fcntl
-h_fcntl=false
+: determine where library module manual pages go
+set man3dir man3dir none
+eval $prefixit
+$cat <<EOM
-: Initialize h_sysfile
-h_sysfile=false
+$spackage has manual pages for many of the library modules.
+EOM
-: determine filename position in cpp output
-echo " "
-echo "Computing filename position in cpp output for #include directives..." >&4
-echo '#include <stdio.h>' > foo.c
-$cat >fieldn <<EOF
-$startsh
-$cppstdin $cppflags $cppminus <foo.c 2>/dev/null | \
-$grep '^[ ]*#.*stdio\.h' | \
-while read cline; do
- pos=1
- set \$cline
- while $test \$# -gt 0; do
- if $test -r \`echo \$1 | $tr -d '"'\`; then
- echo "\$pos"
- exit 0
- fi
- shift
- pos=\`expr \$pos + 1\`
- done
-done
-EOF
-chmod +x fieldn
-fieldn=`./fieldn`
-$rm -f foo.c fieldn
-case $fieldn in
-'') pos='???';;
-1) pos=first;;
-2) pos=second;;
-3) pos=third;;
-*) pos="${fieldn}th";;
+case "$nroff" in
+nroff)
+ $cat <<'EOM'
+However, you don't have nroff, so they're probably useless to you.
+You can use the supplied perldoc script instead.
+EOM
+ case "$man3dir" in
+ '') man3dir="none";;
+ esac;;
esac
-echo "Your cpp writes the filename in the $pos field of the line."
-: locate header file
-$cat >findhdr <<EOF
-$startsh
-wanted=\$1
-name=''
-if test -f $usrinc/\$wanted; then
- echo "$usrinc/\$wanted"
- exit 0
-fi
-awkprg='{ print \$$fieldn }'
-echo "#include <\$wanted>" > foo\$\$.c
-$cppstdin $cppminus $cppflags < foo\$\$.c 2>/dev/null | \
-$grep "^[ ]*#.*\$wanted" | \
-while read cline; do
- name=\`echo \$cline | $awk "\$awkprg" | $tr -d '"'\`
- case "\$name" in
- */\$wanted) echo "\$name"; exit 0;;
- *) name='';;
- esac;
-done;
-$rm -f foo\$\$.c;
-case "\$name" in
-'') exit 1;;
+case "$d_flexfnam" in
+undef)
+ $cat <<'EOM'
+However, your system can't handle the long file names like File::Basename.3.
+You can use the supplied perldoc script instead.
+EOM
+ case "$man3dir" in
+ '') man3dir="none";;
+ esac;;
esac
-EOF
-chmod +x findhdr
-: access call always available on UNIX
-set access d_access
-eval $inlibc
+echo "If you don't want the manual sources installed, answer 'none'."
+: We dont use /usr/local/man/man3 because some man programs will
+: only show the /usr/local/man/man3 contents, and not the system ones,
+: thus man less will show the perl module less.pm, but not the system
+: less command. We might also conflict with TCL man pages.
+: However, something like /opt/perl/man/man3 is fine.
+case "$man3dir" in
+'') case "$prefix" in
+ *perl*) dflt=`echo $man1dir |
+ $sed -e 's/man1/man3/g' -e 's/man\.1/man\.3/g'` ;;
+ *) dflt="$privlib/man/man3" ;;
+ esac
+ ;;
+' ') dflt=none;;
+*) dflt="$man3dir" ;;
+esac
+echo " "
-: locate the flags for 'access()'
-case "$d_access" in
-"$define")
- echo " "
- $cat >access.c <<'EOCP'
-#include <sys/types.h>
-#ifdef I_FCNTL
-#include <fcntl.h>
-#endif
-#ifdef I_SYS_FILE
-#include <sys/file.h>
-#endif
-#ifdef I_UNISTD
-#include <unistd.h>
-#endif
-main() {
- exit(R_OK);
-}
-EOCP
- : check sys/file.h first, no particular reason here
- if $test `./findhdr sys/file.h` && \
- $cc $cppflags -DI_SYS_FILE access.c -o access >/dev/null 2>&1 ; then
- h_sysfile=true;
- echo "<sys/file.h> defines the *_OK access constants." >&4
- elif $test `./findhdr fcntl.h` && \
- $cc $cppflags -DI_FCNTL access.c -o access >/dev/null 2>&1 ; then
- h_fcntl=true;
- echo "<fcntl.h> defines the *_OK access constants." >&4
- elif $test `./findhdr unistd.h` && \
- $cc $cppflags -DI_UNISTD access.c -o access >/dev/null 2>&1 ; then
- echo "<unistd.h> defines the *_OK access constants." >&4
- else
- echo "I can't find the four *_OK access constants--I'll use mine." >&4
- fi
- ;;
-esac
-$rm -f access*
-
-: see if alarm exists
-set alarm d_alarm
-eval $inlibc
-
-: determine the architecture name
-echo " "
-if xxx=`./loc arch blurfl $pth`; $test -f "$xxx"; then
- tarch=`arch`"-$osname"
-elif xxx=`./loc uname blurfl $pth`; $test -f "$xxx" ; then
- if uname -m > tmparch 2>&1 ; then
- tarch=`$sed -e 's/ /_/g' -e 's/$/'"-$osname/" tmparch`
- else
- tarch="$osname"
- fi
- $rm -f tmparch
-else
- tarch="$osname"
-fi
-case "$myarchname" in
-''|"$tarch") ;;
-*)
- echo "(Your architecture name used to be $myarchname.)"
- archname=''
- ;;
-esac
-case "$archname" in
-'') dflt="$tarch";;
-*) dflt="$archname";;
-esac
-rp='What is your architecture name'
-. ./myread
-archname="$ans"
-myarchname="$tarch"
-
-: is AFS running?
-echo " "
-if test -d /afs; then
- echo "AFS may be running... I'll be extra cautious then..." >&4
- afs=true
-else
- echo "AFS does not seem to be running..." >&4
- afs=false
+fn=dn+~
+rp="Where do the $spackage library man pages (source) go?"
+. ./getfile
+if test "X$man3direxp" != "X$ansexp"; then
+ installman3dir=''
fi
-: determine root of directory hierarchy where package will be installed.
-case "$prefix" in
-'')
- dflt=`./loc . /usr/local /usr/local /local /opt /usr`
- ;;
-*)
- dflt="$prefix"
- ;;
-esac
-$cat <<EOM
-
-By default, $package will be installed in $dflt/bin, manual
-pages under $dflt/man, etc..., i.e. with $dflt as prefix for
-all installation directories. Typically set to /usr/local, but you
-may choose /usr if you wish to install $package among your system
-binaries. If you wish to have binaries under /bin but manual pages
-under /usr/local/man, that's ok: you will be prompted separately
-for each of the installation directories, the prefix being only used
-to set the defaults.
-
-EOM
-fn=d~
-rp='Installation prefix to use?'
-. ./getfile
-oldprefix=''
-case "$prefix" in
-'') ;;
-*)
- case "$ans" in
- "$prefix") ;;
- *) oldprefix="$prefix";;
- esac
- ;;
+man3dir="$ans"
+man3direxp="$ansexp"
+case "$man3dir" in
+'') man3dir=' '
+ installman3dir='';;
esac
-prefix="$ans"
-prefixexp="$ansexp"
-
-: set the prefixit variable, to compute a suitable default value
-prefixit='case "$3" in
-""|none)
- case "$oldprefix" in
- "") eval "$1=\"\$$2\"";;
- *)
- case "$3" in
- "") eval "$1=";;
- none)
- eval "tp=\"\$$2\"";
- case "$tp" in
- ""|" ") eval "$1=\"\$$2\"";;
- *) eval "$1=";;
- esac;;
- esac;;
- esac;;
-*)
- eval "tp=\"$oldprefix-\$$2-\""; eval "tp=\"$tp\"";
- case "$tp" in
- --|/*--|\~*--) eval "$1=\"$prefix/$3\"";;
- /*-$oldprefix/*|\~*-$oldprefix/*)
- eval "$1=\`echo \$$2 | sed \"s,^$oldprefix,$prefix,\"\`";;
- *) eval "$1=\"\$$2\"";;
- esac;;
-esac'
-
-: determine where private executables go
-set dflt privlib lib/$package
-eval $prefixit
-$cat <<EOM
-
-There are some auxiliary files for $package that need to be put into a
-private library directory that is accessible by everyone.
-
-EOM
-fn=d~+
-rp='Pathname where the private library files will reside?'
-. ./getfile
-if $test "X$privlibexp" != "X$ansexp"; then
- installprivlib=''
-fi
-privlib="$ans"
-privlibexp="$ansexp"
if $afs; then
$cat <<EOM
Since you are running AFS, I need to distinguish the directory in which
-private files reside from the directory in which they are installed (and from
+manual pages reside from the directory in which they are installed (and from
which they are presumably copied to the former directory by occult means).
EOM
- case "$installprivlib" in
- '') dflt=`echo $privlibexp | sed 's#^/afs/#/afs/.#'`;;
- *) dflt="$installprivlib";;
+ case "$installman3dir" in
+ '') dflt=`echo $man3direxp | sed 's#^/afs/#/afs/.#'`;;
+ *) dflt="$installman3dir";;
esac
fn=de~
- rp='Where will private files be installed?'
+ rp='Where will man pages be installed?'
. ./getfile
- installprivlib="$ans"
+ installman3dir="$ans"
else
- installprivlib="$privlibexp"
+ installman3dir="$man3direxp"
fi
-: set the prefixup variable, to restore leading tilda escape
-prefixup='case "$prefixexp" in
-"$prefix") ;;
-*) eval "$1=\`echo \$$1 | sed \"s,^$prefixexp,$prefix,\"\`";;
-esac'
+: What suffix to use on installed man pages
-: determine where public architecture dependent libraries go
-set archlib archlib
-eval $prefixit
-case "$archlib" in
-'')
- case "$privlib" in
- '')
- dflt=`./loc . "." $prefixexp/lib /usr/local/lib /usr/lib /lib`
- set dflt
- eval $prefixup
+case "$man3dir" in
+' ')
+ man3ext='0'
+ ;;
+*)
+ rp="What suffix should be used for the $spackage library man pages?"
+ case "$man3ext" in
+ '') case "$man3dir" in
+ *3) dflt=3 ;;
+ *3p) dflt=3p ;;
+ *3pm) dflt=3pm ;;
+ *l) dflt=l;;
+ *n) dflt=n;;
+ *o) dflt=o;;
+ *p) dflt=p;;
+ *C) dflt=C;;
+ *L) dflt=L;;
+ *L3) dflt=L3;;
+ *) dflt=3;;
+ esac
;;
- *) dflt="$privlib/$archname";;
+ *) dflt="$man3ext";;
esac
+ . ./myread
+ man3ext="$ans"
;;
-*) dflt="$archlib";;
esac
-cat <<EOM
-$spackage contains architecture-dependent library files. If you are
-sharing libraries in a heterogeneous environment, you might store
-these files in a separate location. Otherwise, you can just include
-them with the rest of the public library files.
+: see what memory models we can support
+case "$models" in
+'')
+ $cat >pdp11.c <<'EOP'
+main() {
+#ifdef pdp11
+ exit(0);
+#else
+ exit(1);
+#endif
+}
+EOP
+ cc -o pdp11 pdp11.c >/dev/null 2>&1
+ if ./pdp11 2>/dev/null; then
+ dflt='unsplit split'
+ else
+ tans=`./loc . X /lib/small /lib/large /usr/lib/small /usr/lib/large /lib/medium /usr/lib/medium /lib/huge`
+ case "$tans" in
+ X) dflt='none';;
+ *) if $test -d /lib/small || $test -d /usr/lib/small; then
+ dflt='small'
+ else
+ dflt=''
+ fi
+ if $test -d /lib/medium || $test -d /usr/lib/medium; then
+ dflt="$dflt medium"
+ fi
+ if $test -d /lib/large || $test -d /usr/lib/large; then
+ dflt="$dflt large"
+ fi
+ if $test -d /lib/huge || $test -d /usr/lib/huge; then
+ dflt="$dflt huge"
+ fi
+ esac
+ fi;;
+*) dflt="$models";;
+esac
+$cat <<EOM
+
+Some systems have different model sizes. On most systems they are called
+small, medium, large, and huge. On the PDP11 they are called unsplit and
+split. If your system doesn't support different memory models, say "none".
+If you wish to force everything to one memory model, say "none" here and
+put the appropriate flags later when it asks you for other cc and ld flags.
+Venix systems may wish to put "none" and let the compiler figure things out.
+(In the following question multiple model names should be space separated.)
EOM
-fn=d~
-rp='Where do you want to put the public architecture-dependent libraries?'
-. ./getfile
-archlib="$ans"
-archlibexp="$ansexp"
-
-if $afs; then
- $cat <<EOM
-
-Since you are running AFS, I need to distinguish the directory in which
-private files reside from the directory in which they are installed (and from
-which they are presumably copied to the former directory by occult means).
+rp="Which memory models are supported?"
+. ./myread
+models="$ans"
-EOM
- case "$installarchlib" in
- '') dflt=`echo $archlibexp | sed 's#^/afs/#/afs/.#'`;;
- *) dflt="$installarchlib";;
- esac
- fn=de~
- rp='Where will architecture-dependent library files be installed?'
+case "$models" in
+none)
+ small=''
+ medium=''
+ large=''
+ huge=''
+ unsplit=''
+ split=''
+ ;;
+*split)
+ case "$split" in
+ '') if $contains '\-i' $sysman/ld.1 >/dev/null 2>&1 || \
+ $contains '\-i' $sysman/cc.1 >/dev/null 2>&1; then
+ dflt='-i'
+ else
+ dflt='none'
+ fi;;
+ *) dflt="$split";;
+ esac
+ rp="What flag indicates separate I and D space?"
+ . ./myread
+ tans="$ans"
+ case "$tans" in
+ none) tans='';;
+ esac
+ split="$tans"
+ unsplit='';;
+*large*|*small*|*medium*|*huge*)
+ case "$models" in
+ *large*)
+ case "$large" in
+ '') dflt='-Ml';;
+ *) dflt="$large";;
+ esac
+ rp="What flag indicates large model?"
+ . ./myread
+ tans="$ans"
+ case "$tans" in
+ none) tans='';
+ esac
+ large="$tans";;
+ *) large='';;
+ esac
+ case "$models" in
+ *huge*) case "$huge" in
+ '') dflt='-Mh';;
+ *) dflt="$huge";;
+ esac
+ rp="What flag indicates huge model?"
+ . ./myread
+ tans="$ans"
+ case "$tans" in
+ none) tans='';
+ esac
+ huge="$tans";;
+ *) huge="$large";;
+ esac
+ case "$models" in
+ *medium*) case "$medium" in
+ '') dflt='-Mm';;
+ *) dflt="$medium";;
+ esac
+ rp="What flag indicates medium model?"
+ . ./myread
+ tans="$ans"
+ case "$tans" in
+ none) tans='';
+ esac
+ medium="$tans";;
+ *) medium="$large";;
+ esac
+ case "$models" in
+ *small*) case "$small" in
+ '') dflt='none';;
+ *) dflt="$small";;
+ esac
+ rp="What flag indicates small model?"
+ . ./myread
+ tans="$ans"
+ case "$tans" in
+ none) tans='';
+ esac
+ small="$tans";;
+ *) small='';;
+ esac
+ ;;
+*)
+ echo "Unrecognized memory models--you may have to edit Makefile.SH" >&4
+ ;;
+esac
+
+: see if we need a special compiler
+echo " "
+if ./usg; then
+ case "$cc" in
+ '') case "$Mcc" in
+ /*) dflt='Mcc';;
+ *) case "$large" in
+ -M*) dflt='cc';;
+ *) if $contains '\-M' $sysman/cc.1 >/dev/null 2>&1 ; then
+ if $contains '\-M' $sysman/cpp.1 >/dev/null 2>&1; then
+ dflt='cc'
+ else
+ dflt='cc -M'
+ fi
+ else
+ dflt='cc'
+ fi;;
+ esac;;
+ esac;;
+ *) dflt="$cc";;
+ esac
+ $cat <<'EOM'
+On some systems the default C compiler will not resolve multiple global
+references that happen to have the same name. On some such systems the "Mcc"
+command may be used to force these to be resolved. On other systems a "cc -M"
+command is required. (Note that the -M flag on other systems indicates a
+memory model to use!) If you have the Gnu C compiler, you might wish to use
+that instead.
+
+EOM
+ rp="What command will force resolution on this system?"
+ . ./myread
+ cc="$ans"
+else
+ case "$cc" in
+ '') dflt=cc;;
+ *) dflt="$cc";;
+ esac
+ rp="Use which C compiler?"
+ . ./myread
+ cc="$ans"
+fi
+echo " "
+echo "Checking for GNU cc in disguise and/or its version number..." >&4
+$cat >gccvers.c <<EOM
+#include <stdio.h>
+int main() {
+#ifdef __GNUC__
+#ifdef __VERSION__
+ printf("%s\n", __VERSION__);
+#else
+ printf("%s\n", "1");
+#endif
+#endif
+ exit(0);
+}
+EOM
+if $cc -o gccvers gccvers.c >/dev/null 2>&1; then
+ gccversion=`./gccvers`
+ case "$gccversion" in
+ '') echo "You are not using GNU cc." ;;
+ *) echo "You are using GNU cc $gccversion." ;;
+ esac
+else
+ echo " "
+ echo "*** WHOA THERE!!! ***" >&4
+ echo " Your C compiler \"$cc\" doesn't seem to be working!" >&4
+ case "$knowitall" in
+ '')
+ echo " You'd better start hunting for one and let me know about it." >&4
+ exit 1
+ ;;
+ esac
+fi
+$rm -f gccvers*
+case "$gccversion" in
+1*) cpp=`./loc gcc-cpp $cpp $pth` ;;
+esac
+
+: What should the include directory be ?
+echo " "
+$echo $n "Hmm... $c"
+dflt='/usr/include'
+incpath=''
+mips_type=''
+if $test -f /bin/mips && /bin/mips; then
+ echo "Looks like a MIPS system..."
+ $cat >usr.c <<'EOCP'
+#ifdef SYSTYPE_BSD43
+/bsd43
+#endif
+EOCP
+ if $cc -E usr.c > usr.out && $contains / usr.out >/dev/null 2>&1; then
+ dflt='/bsd43/usr/include'
+ incpath='/bsd43'
+ mips_type='BSD 4.3'
+ else
+ mips_type='System V'
+ fi
+ $rm -f usr.c usr.out
+ echo "and you're compiling with the $mips_type compiler and libraries."
+ xxx_prompt=y
+ echo "exit 0" >mips
+else
+ echo "Doesn't look like a MIPS system."
+ xxx_prompt=n
+ echo "exit 1" >mips
+fi
+chmod +x mips
+$eunicefix mips
+echo " "
+case "$usrinc" in
+'') ;;
+*) dflt="$usrinc";;
+esac
+case "$xxx_prompt" in
+y) fn=d/
+ rp='Where are the include files you want to use?'
. ./getfile
- installarchlib="$ans"
+ usrinc="$ans"
+ ;;
+*) usrinc="$dflt"
+ ;;
+esac
+
+: see if we have to deal with yellow pages, now NIS.
+if $test -d /usr/etc/yp || $test -d /etc/yp; then
+ if $test -f /usr/etc/nibindd; then
+ echo " "
+ echo "I'm fairly confident you're on a NeXT."
+ echo " "
+ rp='Do you get the hosts file via NetInfo?'
+ dflt=y
+ case "$hostcat" in
+ nidump*) ;;
+ '') ;;
+ *) dflt=n;;
+ esac
+ . ./myread
+ case "$ans" in
+ y*) hostcat='nidump hosts .';;
+ *) case "$hostcat" in
+ nidump*) hostcat='';;
+ esac
+ ;;
+ esac
+ fi
+ case "$hostcat" in
+ nidump*) ;;
+ *)
+ case "$hostcat" in
+ *ypcat*) dflt=y;;
+ '') if $contains '^\+' /etc/passwd >/dev/null 2>&1; then
+ dflt=y
+ else
+ dflt=n
+ fi;;
+ *) dflt=n;;
+ esac
+ echo " "
+ rp='Are you getting the hosts file via yellow pages?'
+ . ./myread
+ case "$ans" in
+ y*) hostcat='ypcat hosts';;
+ *) hostcat='cat /etc/hosts';;
+ esac
+ ;;
+ esac
+fi
+
+: now get the host name
+echo " "
+echo "Figuring out host name..." >&4
+case "$myhostname" in
+'') cont=true
+ echo 'Maybe "hostname" will work...'
+ if tans=`sh -c hostname 2>&1` ; then
+ myhostname=$tans
+ phostname=hostname
+ cont=''
+ fi
+ ;;
+*) cont='';;
+esac
+if $test "$cont"; then
+ if ./xenix; then
+ echo 'Oh, dear. Maybe "/etc/systemid" is the key...'
+ if tans=`cat /etc/systemid 2>&1` ; then
+ myhostname=$tans
+ phostname='cat /etc/systemid'
+ echo "Whadyaknow. Xenix always was a bit strange..."
+ cont=''
+ fi
+ elif $test -r /etc/systemid; then
+ echo "(What is a non-Xenix system doing with /etc/systemid?)"
+ fi
+fi
+if $test "$cont"; then
+ echo 'No, maybe "uuname -l" will work...'
+ if tans=`sh -c 'uuname -l' 2>&1` ; then
+ myhostname=$tans
+ phostname='uuname -l'
+ else
+ echo 'Strange. Maybe "uname -n" will work...'
+ if tans=`sh -c 'uname -n' 2>&1` ; then
+ myhostname=$tans
+ phostname='uname -n'
+ else
+ echo 'Oh well, maybe I can mine it out of whoami.h...'
+ if tans=`sh -c $contains' sysname $usrinc/whoami.h' 2>&1` ; then
+ myhostname=`echo "$tans" | $sed 's/^.*"\(.*\)"/\1/'`
+ phostname="sed -n -e '"'/sysname/s/^.*\"\\(.*\\)\"/\1/{'"' -e p -e q -e '}' <$usrinc/whoami.h"
+ else
+ case "$myhostname" in
+ '') echo "Does this machine have an identity crisis or something?"
+ phostname='';;
+ *)
+ echo "Well, you said $myhostname before..."
+ phostname='echo $myhostname';;
+ esac
+ fi
+ fi
+ fi
+fi
+: you do not want to know about this
+set $myhostname
+myhostname=$1
+
+: verify guess
+if $test "$myhostname" ; then
+ dflt=y
+ rp='Your host name appears to be "'$myhostname'".'" Right?"
+ . ./myread
+ case "$ans" in
+ y*) ;;
+ *) myhostname='';;
+ esac
+fi
+
+: bad guess or no guess
+while $test "X$myhostname" = X ; do
+ dflt=''
+ rp="Please type the (one word) name of your host:"
+ . ./myread
+ myhostname="$ans"
+done
+
+: translate upper to lower if necessary
+case "$myhostname" in
+*[A-Z]*)
+ echo "(Normalizing case in your host name)"
+ myhostname=`echo $myhostname | ./tr '[A-Z]' '[a-z]'`
+ ;;
+esac
+
+case "$myhostname" in
+*.*)
+ dflt=`expr "X$myhostname" : "X[^.]*\(\..*\)"`
+ myhostname=`expr "X$myhostname" : "X\([^.]*\)\."`
+ echo "(Trimming domain name from host name--host name is now $myhostname)"
+ ;;
+*) case "$mydomain" in
+ '')
+ {
+ : If we use NIS, try ypmatch.
+ : Is there some reason why this was not done before?
+ test "X$hostcat" = "Xypcat hosts" &&
+ ypmatch "$myhostname" hosts 2>/dev/null |\
+ $sed -e 's/[ ]*#.*//; s/$/ /' > hosts && \
+ $test -s hosts
+ } || {
+ : Extract only the relevant hosts, reducing file size,
+ : remove comments, insert trailing space for later use.
+ $hostcat | $sed -n -e "s/[ ]*#.*//; s/\$/ /
+ /[ ]$myhostname[ . ]/p" > hosts
+ }
+ tmp_re="[ . ]"
+ $test x`$awk "/[0-9].*[ ]$myhostname$tmp_re/ { sum++ }
+ END { print sum }" hosts` = x1 || tmp_re="[ ]"
+ dflt=.`$awk "/[0-9].*[ ]$myhostname$tmp_re/ {for(i=2; i<=NF;i++) print \\\$i}" \
+ hosts | $sort | $uniq | \
+ $sed -n -e "s/$myhostname\.\([-a-zA-Z0-9_.]\)/\1/p"`
+ case `$echo X$dflt` in
+ X*\ *) echo "(Several hosts in /etc/hosts matched hostname)"
+ dflt=.
+ ;;
+ .) echo "(You do not have fully-qualified names in /etc/hosts)"
+ ;;
+ esac
+ case "$dflt" in
+ .)
+ tans=`./loc resolv.conf X /etc /usr/etc`
+ if $test -f "$tans"; then
+ echo "(Attempting domain name extraction from $tans)"
+ : Why was there an Egrep here, when Sed works?
+ dflt=.`$sed -n -e 's/^domain[ ]*\(.*\)/\1/p' $tans \
+ | ./tr '[A-Z]' '[a-z]' 2>/dev/null`
+ fi
+ ;;
+ esac
+ case "$dflt" in
+ .) echo "(No help from resolv.conf either -- attempting clever guess)"
+ dflt=.`sh -c domainname 2>/dev/null`
+ case "$dflt" in
+ '') dflt='.';;
+ .nis.*|.yp.*|.main.*) dflt=`echo $dflt | $sed -e 's/^\.[^.]*//'`;;
+ esac
+ ;;
+ esac
+ case "$dflt" in
+ .) echo "(Lost all hope -- silly guess then)"
+ dflt='.uucp'
+ ;;
+ esac
+ $rm -f hosts
+ ;;
+ *) dflt="$mydomain";;
+ esac;;
+esac
+echo " "
+rp="What is your domain name?"
+. ./myread
+tans="$ans"
+case "$ans" in
+'') ;;
+.*) ;;
+*) tans=".$tans";;
+esac
+mydomain="$tans"
+
+: translate upper to lower if necessary
+case "$mydomain" in
+*[A-Z]*)
+ echo "(Normalizing case in your domain name)"
+ mydomain=`echo $mydomain | ./tr '[A-Z]' '[a-z]'`
+ ;;
+esac
+
+: a little sanity check here
+case "$phostname" in
+'') ;;
+*)
+ case `$phostname | ./tr '[A-Z]' '[a-z]'` in
+ $myhostname$mydomain|$myhostname) ;;
+ *)
+ case "$phostname" in
+ sed*)
+ echo "(That doesn't agree with your whoami.h file, by the way.)"
+ ;;
+ *)
+ echo "(That doesn't agree with your $phostname command, by the way.)"
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+esac
+
+$cat <<EOM
+
+I need to get your e-mail address in Internet format if possible, i.e.
+something like user@host.domain. Please answer accurately since I have
+no easy means to double check it. The default value provided below
+is most probably close to the reality but may not be valid from outside
+your organization...
+
+EOM
+cont=x
+while test "$cont"; do
+ case "$cf_email" in
+ '') dflt="$cf_by@$myhostname$mydomain";;
+ *) dflt="$cf_email";;
+ esac
+ rp='What is your e-mail address?'
+ . ./myread
+ cf_email="$ans"
+ case "$cf_email" in
+ *@*.*) cont='' ;;
+ *)
+ rp='Address does not look like an Internet one. Use it anyway?'
+ case "$fastread" in
+ yes) dflt=y ;;
+ *) dflt=n ;;
+ esac
+ . ./myread
+ case "$ans" in
+ y*) cont='' ;;
+ *) echo " " ;;
+ esac
+ ;;
+ esac
+done
+
+$cat <<EOM
+
+If you or somebody else will be maintaining perl at your site, please
+fill in the correct e-mail address here so that they may be contacted
+if necessary. Currently, the "perlbug" program included with perl
+will send mail to this address in addition to perlbug@perl.com. You may
+enter "none" for no administrator.
+
+EOM
+case "$perladmin" in
+'') dflt="$cf_email";;
+*) dflt="$perladmin";;
+esac
+rp='Perl administrator e-mail address'
+. ./myread
+perladmin="$ans"
+
+: determine where public executable scripts go
+set scriptdir scriptdir
+eval $prefixit
+case "$scriptdir" in
+'')
+ dflt="$bin"
+ : guess some guesses
+ $test -d /usr/share/scripts && dflt=/usr/share/scripts
+ $test -d /usr/share/bin && dflt=/usr/share/bin
+ $test -d /usr/local/script && dflt=/usr/local/script
+ $test -d $prefixexp/script && dflt=$prefixexp/script
+ set dflt
+ eval $prefixup
+ ;;
+*) dflt="$scriptdir"
+ ;;
+esac
+$cat <<EOM
+
+Some installations have a separate directory just for executable scripts so
+that they can mount it across multiple architectures but keep the scripts in
+one spot. You might, for example, have a subdirectory of /usr/share for this.
+Or you might just lump your scripts in with all your other executables.
+
+EOM
+fn=d~
+rp='Where do you keep publicly executable scripts?'
+. ./getfile
+if $test "X$ansexp" != "X$scriptdirexp"; then
+ installscript=''
+fi
+scriptdir="$ans"
+scriptdirexp="$ansexp"
+if $afs; then
+ $cat <<EOM
+
+Since you are running AFS, I need to distinguish the directory in which
+scripts reside from the directory in which they are installed (and from
+which they are presumably copied to the former directory by occult means).
+
+EOM
+ case "$installscript" in
+ '') dflt=`echo $scriptdirexp | sed 's#^/afs/#/afs/.#'`;;
+ *) dflt="$installscript";;
+ esac
+ fn=de~
+ rp='Where will public scripts be installed?'
+ . ./getfile
+ installscript="$ans"
+else
+ installscript="$scriptdirexp"
+fi
+
+: determine perl absolute location
+case "$perlpath" in
+'') perlpath=$binexp/perl ;;
+esac
+
+: figure out how to guarantee perl startup
+case "$startperl" in
+'')
+ case "$sharpbang" in
+ *!)
+ $cat <<EOH
+
+I can use the #! construct to start perl on your system. This will
+make startup of perl scripts faster, but may cause problems if you
+want to share those scripts and perl is not in a standard place
+($perlpath) on all your platforms. The alternative is to force
+a shell by starting the script with a single ':' character.
+
+EOH
+ dflt=$perlpath
+ rp='What shall I put after the #! to start up perl ("none" to not use #!)?'
+ . ./myread
+ case "$ans" in
+ none) startperl=": # use perl";;
+ *) startperl="#!$ans";;
+ esac
+ ;;
+ *) startperl=": # use perl"
+ ;;
+ esac
+ ;;
+esac
+echo "I'll use $startperl to start perl scripts."
+
+: see how we invoke the C preprocessor
+echo " "
+echo "Now, how can we feed standard input to your C preprocessor..." >&4
+cat <<'EOT' >testcpp.c
+#define ABC abc
+#define XYZ xyz
+ABC.XYZ
+EOT
+cd ..
+echo 'cat >.$$.c; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' >cppstdin
+chmod 755 cppstdin
+wrapper=`pwd`/cppstdin
+ok='false'
+cd UU
+
+if $test "X$cppstdin" != "X" && \
+ $cppstdin $cppminus <testcpp.c >testcpp.out 2>&1 && \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
+then
+ echo "You used to use $cppstdin $cppminus so we'll use that again."
+ case "$cpprun" in
+ '') echo "But let's see if we can live without a wrapper..." ;;
+ *)
+ if $cpprun $cpplast <testcpp.c >testcpp.out 2>&1 && \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
+ then
+ echo "(And we'll use $cpprun $cpplast to preprocess directly.)"
+ ok='true'
+ else
+ echo "(However, $cpprun $cpplast does not work, let's see...)"
+ fi
+ ;;
+ esac
else
- installarchlib="$archlibexp"
+ case "$cppstdin" in
+ '') ;;
+ *)
+ echo "Good old $cppstdin $cppminus does not seem to be of any help..."
+ ;;
+ esac
fi
-if $test X"$archlib" = X"$privlib"; then
- d_archlib="$undef"
+
+if $ok; then
+ : nothing
+elif echo 'Maybe "'"$cc"' -E" will work...'; \
+ $cc -E <testcpp.c >testcpp.out 2>&1; \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+ echo "Yup, it does."
+ x_cpp="$cc -E"
+ x_minus='';
+elif echo 'Nope...maybe "'"$cc"' -E -" will work...'; \
+ $cc -E - <testcpp.c >testcpp.out 2>&1; \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+ echo "Yup, it does."
+ x_cpp="$cc -E"
+ x_minus='-';
+elif echo 'Nope...maybe "'"$cc"' -P" will work...'; \
+ $cc -P <testcpp.c >testcpp.out 2>&1; \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+ echo "Yipee, that works!"
+ x_cpp="$cc -P"
+ x_minus='';
+elif echo 'Nope...maybe "'"$cc"' -P -" will work...'; \
+ $cc -P - <testcpp.c >testcpp.out 2>&1; \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+ echo "At long last!"
+ x_cpp="$cc -P"
+ x_minus='-';
+elif echo 'No such luck, maybe "'$cpp'" will work...'; \
+ $cpp <testcpp.c >testcpp.out 2>&1; \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+ echo "It works!"
+ x_cpp="$cpp"
+ x_minus='';
+elif echo 'Nixed again...maybe "'$cpp' -" will work...'; \
+ $cpp - <testcpp.c >testcpp.out 2>&1; \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+ echo "Hooray, it works! I was beginning to wonder."
+ x_cpp="$cpp"
+ x_minus='-';
+elif echo 'Uh-uh. Time to get fancy. Trying a wrapper...'; \
+ $wrapper <testcpp.c >testcpp.out 2>&1; \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+ x_cpp="$wrapper"
+ x_minus=''
+ echo "Eureka!"
+else
+ dflt=''
+ rp="No dice. I can't find a C preprocessor. Name one:"
+ . ./myread
+ x_cpp="$ans"
+ x_minus=''
+ $x_cpp <testcpp.c >testcpp.out 2>&1
+ if $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+ echo "OK, that will do." >&4
+ else
+echo "Sorry, I can't get that to work. Go find one and rerun Configure." >&4
+ exit 1
+ fi
+fi
+
+case "$ok" in
+false)
+ cppstdin="$x_cpp"
+ cppminus="$x_minus"
+ cpprun="$x_cpp"
+ cpplast="$x_minus"
+ set X $x_cpp
+ shift
+ case "$1" in
+ "$cpp")
+ echo "Perhaps can we force $cc -E using a wrapper..."
+ if $wrapper <testcpp.c >testcpp.out 2>&1; \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
+ then
+ echo "Yup, we can."
+ cppstdin="$wrapper"
+ cppminus='';
+ else
+ echo "Nope, we'll have to live without it..."
+ fi
+ ;;
+ esac
+ case "$cpprun" in
+ "$wrapper")
+ cpprun=''
+ cpplast=''
+ ;;
+ esac
+ ;;
+esac
+
+case "$cppstdin" in
+"$wrapper") ;;
+*) $rm -f $wrapper;;
+esac
+$rm -f testcpp.c testcpp.out
+
+: Set private lib path
+case "$plibpth" in
+'') if ./mips; then
+ plibpth="$incpath/usr/lib /usr/local/lib /usr/ccs/lib"
+ fi;;
+esac
+case "$libpth" in
+' ') dlist='';;
+'') dlist="$loclibpth $plibpth $glibpth";;
+*) dlist="$libpth";;
+esac
+
+: Now check and see which directories actually exist, avoiding duplicates
+libpth=''
+for xxx in $dlist
+do
+ if $test -d $xxx; then
+ case " $libpth " in
+ *" $xxx "*) ;;
+ *) libpth="$libpth $xxx";;
+ esac
+ fi
+done
+$cat <<'EOM'
+
+Some systems have incompatible or broken versions of libraries. Among
+the directories listed in the question below, please remove any you
+know not to be holding relevant libraries, and add any that are needed.
+Say "none" for none.
+
+EOM
+case "$libpth" in
+'') dflt='none';;
+*)
+ set X $libpth
+ shift
+ dflt=${1+"$@"}
+ ;;
+esac
+rp="Directories to use for library searches?"
+. ./myread
+case "$ans" in
+none) libpth=' ';;
+*) libpth="$ans";;
+esac
+
+: determine optimize, if desired, or use for debug flag also
+case "$optimize" in
+' ') dflt='none';;
+'') dflt='-O';;
+*) dflt="$optimize";;
+esac
+$cat <<EOH
+
+Some C compilers have problems with their optimizers, by default, $package
+compiles with the -O flag to use the optimizer. Alternately, you might want
+to use the symbolic debugger, which uses the -g flag (on traditional Unix
+systems). Either flag can be specified here. To use neither flag, specify
+the word "none".
+
+EOH
+rp="What optimizer/debugger flag should be used?"
+. ./myread
+optimize="$ans"
+case "$optimize" in
+'none') optimize=" ";;
+esac
+
+dflt=''
+: We will not override a previous value, but we might want to
+: augment a hint file
+case "$hint" in
+none|recommended)
+ case "$gccversion" in
+ 1*) dflt='-fpcc-struct-return' ;;
+ esac
+ case "$optimize" in
+ *-g*) dflt="$dflt -DDEBUGGING";;
+ esac
+ case "$gccversion" in
+ 2*) if test -d /etc/conf/kconfig.d &&
+ $contains _POSIX_VERSION $usrinc/sys/unistd.h >/dev/null 2>&1
+ then
+ dflt="$dflt -posix"
+ fi
+ ;;
+ esac
+ ;;
+esac
+
+case "$mips_type" in
+*BSD*|'') inclwanted="$locincpth $usrinc";;
+*) inclwanted="$locincpth $inclwanted $usrinc/bsd";;
+esac
+for thisincl in $inclwanted; do
+ if $test -d $thisincl; then
+ if $test x$thisincl != x$usrinc; then
+ case "$dflt" in
+ *$thisincl*);;
+ *) dflt="$dflt -I$thisincl";;
+ esac
+ fi
+ fi
+done
+
+inctest='if $contains $2 $usrinc/$1 >/dev/null 2>&1; then
+ xxx=true;
+elif $contains $2 $usrinc/sys/$1 >/dev/null 2>&1; then
+ xxx=true;
+else
+ xxx=false;
+fi;
+if $xxx; then
+ case "$dflt" in
+ *$2*);;
+ *) dflt="$dflt -D$2";;
+ esac;
+fi'
+
+if ./osf1; then
+ set signal.h __LANGUAGE_C__; eval $inctest
else
- d_archlib="$define"
+ set signal.h LANGUAGE_C; eval $inctest
fi
+set signal.h NO_PROTOTYPE; eval $inctest
+set signal.h _NO_PROTO; eval $inctest
-: function used to set $1 to $val
-setvar='var=$1; eval "was=\$$1"; td=$define; tu=$undef;
-case "$val$was" in
-$define$undef) . ./whoa; eval "$var=\$td";;
-$undef$define) . ./whoa; eval "$var=\$tu";;
-*) eval "$var=$val";;
-esac'
+case "$hint" in
+none|recommended) dflt="$ccflags $dflt" ;;
+*) dflt="$ccflags";;
+esac
-: Look for GNU-cc style attribute checking
-echo " "
-echo "Checking whether your compiler can handle __attribute__ ..." >&4
-$cat >attrib.c <<'EOCP'
-#include <stdio.h>
-void croak (char* pat,...) __attribute__((format(printf,1,2),noreturn));
-EOCP
-if $cc $ccflags -c attrib.c >attrib.out 2>&1 ; then
- if $contains 'warning' attrib.out >/dev/null 2>&1; then
- echo "Your C compiler doesn't fully support __attribute__."
- val="$undef"
- else
- echo "Your C compiler supports __attribute__."
- val="$define"
- fi
-else
- echo "Your C compiler doesn't seem to understand __attribute__ at all."
- val="$undef"
-fi
-set d_attribut
-eval $setvar
-$rm -f attrib*
+case "$dflt" in
+''|' ') dflt=none;;
+esac
+$cat <<EOH
-: see if bcmp exists
-set bcmp d_bcmp
-eval $inlibc
+Your C compiler may want other flags. For this question you should include
+-I/whatever and -DWHATEVER flags and any other flags used by the C compiler,
+but you should NOT include libraries or ld flags like -lwhatever. If you
+want $package to honor its debug switch, you should include -DDEBUGGING here.
+Your C compiler might also need additional flags, such as -D_POSIX_SOURCE,
+-DHIDEMYMALLOC or -DCRIPPLED_CC.
-: see if bcopy exists
-set bcopy d_bcopy
-eval $inlibc
+To use no flags, specify the word "none".
-: see if setpgrp exists
-set setpgrp d_setpgrp
-eval $inlibc
+EOH
+set X $dflt
+shift
+dflt=${1+"$@"}
+rp="Any additional cc flags?"
+. ./myread
+case "$ans" in
+none) ccflags='';;
+*) ccflags="$ans";;
+esac
-: see which flavor of setpgrp is in use
-case "$d_setpgrp" in
-"$define")
+: the following weeds options from ccflags that are of no interest to cpp
+cppflags="$ccflags"
+case "$gccversion" in
+1*) cppflags="$cppflags -D__GNUC__"
+esac
+case "$mips_type" in
+'');;
+*BSD*) cppflags="$cppflags -DSYSTYPE_BSD43";;
+esac
+case "$cppflags" in
+'');;
+*)
echo " "
- $cat >set.c <<EOP
-main()
-{
- if (getuid() == 0) {
- printf("(I see you are running Configure as super-user...)\n");
- setuid(1);
- }
- if (-1 == setpgrp(1, 1))
- exit(1);
- exit(0);
-}
-EOP
- if $cc $ccflags -o set set.c $ldflags $libs >/dev/null 2>&1; then
- ./set 2>/dev/null
- case $? in
- 0) echo "You have to use setpgrp() instead of setpgrp(pid, pgrp)." >&4
- val="$undef";;
- *) echo "You have to use setpgrp(pid, pgrp) instead of setpgrp()." >&4
- val="$define";;
+ echo "Let me guess what the preprocessor flags are..." >&4
+ set X $cppflags
+ shift
+ cppflags=''
+ $cat >cpp.c <<'EOM'
+#define BLURFL foo
+
+BLURFL xx LFRULB
+EOM
+ previous=''
+ for flag in $*
+ do
+ case "$flag" in
+ -*) ftry="$flag";;
+ *) ftry="$previous $flag";;
esac
- else
- if ./usg; then
- xxx="USG one, i.e. you use setpgrp()."
- val="$undef"
+ if $cppstdin -DLFRULB=bar $ftry $cppminus <cpp.c \
+ >cpp1.out 2>/dev/null && \
+ $cpprun -DLFRULB=bar $ftry $cpplast <cpp.c \
+ >cpp2.out 2>/dev/null && \
+ $contains 'foo.*xx.*bar' cpp1.out >/dev/null 2>&1 && \
+ $contains 'foo.*xx.*bar' cpp2.out >/dev/null 2>&1
+ then
+ cppflags="$cppflags $ftry"
+ previous=''
else
- xxx="BSD one, i.e. you use setpgrp(pid, pgrp)."
- val="$define"
+ previous="$flag"
fi
- echo "Assuming your setpgrp is a $xxx" >&4
- fi
+ done
+ set X $cppflags
+ shift
+ cppflags=${1+"$@"}
+ case "$cppflags" in
+ *-*) echo "They appear to be: $cppflags";;
+ esac
+ $rm -f cpp.c cpp?.out
;;
-*) val="$undef";;
esac
-set d_bsdpgrp
-eval $setvar
-$rm -f set set.c
-: see if bzero exists
-set bzero d_bzero
-eval $inlibc
+: flags used in final linking phase
-: check for length of integer
-echo " "
-case "$intsize" in
-'')
- echo "Checking to see how big your integers are..." >&4
- $cat >try.c <<'EOCP'
-#include <stdio.h>
-main()
-{
- printf("%d\n", sizeof(int));
-}
-EOCP
- if $cc $ccflags try.c -o try >/dev/null 2>&1 ; then
- dflt=`./try`
+case "$ldflags" in
+'') if ./venix; then
+ dflt='-i -z'
else
- dflt='4'
- echo "(I can't seem to compile the test program. Guessing...)"
+ dflt=''
fi
- ;;
-*)
- dflt="$intsize"
- ;;
-esac
-rp="What is the size of an integer (in bytes)?"
-. ./myread
-intsize="$ans"
-$rm -f try.c try
-
-: see if signal is declared as pointer to function returning int or void
-echo " "
-xxx=`./findhdr signal.h`
-$test "$xxx" && $cppstdin $cppminus $cppflags < $xxx >$$.tmp 2>/dev/null
-if $contains 'int.*\*[ ]*signal' $$.tmp >/dev/null 2>&1 ; then
- echo "You have int (*signal())() instead of void." >&4
- val="$undef"
-elif $contains 'void.*\*[ ]*signal' $$.tmp >/dev/null 2>&1 ; then
- echo "You have void (*signal())() instead of int." >&4
- val="$define"
-elif $contains 'extern[ ]*[(\*]*signal' $$.tmp >/dev/null 2>&1 ; then
- echo "You have int (*signal())() instead of void." >&4
- val="$undef"
-else
- case "$d_voidsig" in
- '')
- echo "I can't determine whether signal handler returns void or int..." >&4
- dflt=void
- rp="What type does your signal handler return?"
- . ./myread
- case "$ans" in
- v*) val="$define";;
- *) val="$undef";;
- esac;;
- "$define")
- echo "As you already told me, signal handler returns void." >&4;;
- *)
- echo "As you already told me, signal handler returns int." >&4;;
+ case "$ccflags" in
+ *-posix*) dflt="$dflt -posix" ;;
esac
-fi
-set d_voidsig
-eval $setvar
-case "$d_voidsig" in
-"$define") signal_t="void";;
-*) signal_t="int";;
-esac
-$rm -f $$.tmp
-
-: check for ability to cast large floats to 32-bit ints.
-echo " "
-echo 'Checking whether your C compiler can cast large floats to int32.' >&4
-if $test "$intsize" -eq 4; then
- xxx=int
-else
- xxx=long
-fi
-$cat >try.c <<EOCP
-#include <sys/types.h>
-#include <signal.h>
-$signal_t blech() { exit(3); }
-main()
-{
- $xxx i32;
- double f;
- int result = 0;
- signal(SIGFPE, blech);
-
- f = (double) 0x7fffffff;
- f = 10 * f;
- i32 = ($xxx) f;
-
- if (i32 != ($xxx) f)
- result |= 1;
- exit(result);
-}
-EOCP
-if $cc -o try $ccflags try.c >/dev/null 2>&1; then
- ./try
- yyy=$?
-else
- echo "(I can't seem to compile the test program--assuming it can't)"
- yyy=1
-fi
-case "$yyy" in
-0) val="$define"
- echo "Yup, it can."
- ;;
-*) val="$undef"
- echo "Nope, it can't."
;;
+*) dflt="$ldflags";;
+esac
+
+: Try to guess additional flags to pick up local libraries.
+for thislibdir in $libpth; do
+ case " $loclibpth " in
+ *" $thislibdir "*)
+ case "$dflt " in
+ *"-L$thislibdir "*) ;;
+ *) dflt="$dflt -L$thislibdir" ;;
+ esac
+ ;;
+ esac
+done
+
+case "$dflt" in
+'') dflt='none' ;;
esac
-set d_casti32
-eval $setvar
-$rm -f try try.*
-: check for ability to cast negative floats to unsigned
-echo " "
-echo 'Checking whether your C compiler can cast negative float to unsigned.' >&4
-$cat >try.c <<EOCP
-#include <sys/types.h>
-#include <signal.h>
-$signal_t blech() { exit(7); }
-$signal_t blech_in_list() { exit(4); }
-unsigned long dummy_long(p) unsigned long p; { return p; }
-unsigned int dummy_int(p) unsigned int p; { return p; }
-unsigned short dummy_short(p) unsigned short p; { return p; }
-main()
-{
- double f = -123.;
- unsigned long along;
- unsigned int aint;
- unsigned short ashort;
- int result = 0;
+$cat <<EOH
- signal(SIGFPE, blech);
- along = (unsigned long)f;
- aint = (unsigned int)f;
- ashort = (unsigned short)f;
- if (along != (unsigned long)-123)
- result |= 1;
- if (aint != (unsigned int)-123)
- result |= 1;
- if (ashort != (unsigned short)-123)
- result |= 1;
- f = (double)0x40000000;
- f = f + f;
- along = 0;
- along = (unsigned long)f;
- if (along != 0x80000000)
- result |= 2;
- f -= 1.;
- along = 0;
- along = (unsigned long)f;
- if (along != 0x7fffffff)
- result |= 1;
- f += 2.;
- along = 0;
- along = (unsigned long)f;
- if (along != 0x80000001)
- result |= 2;
- if (result)
- exit(result);
- signal(SIGFPE, blech_in_list);
- f = 123.;
- along = dummy_long((unsigned long)f);
- aint = dummy_int((unsigned int)f);
- ashort = dummy_short((unsigned short)f);
- if (along != (unsigned long)123)
- result |= 4;
- if (aint != (unsigned int)123)
- result |= 4;
- if (ashort != (unsigned short)123)
- result |= 4;
- exit(result);
+Your C linker may need flags. For this question you should
+include -L/whatever and any other flags used by the C linker, but you
+should NOT include libraries like -lwhatever.
-}
-EOCP
-if $cc -o try $ccflags try.c >/dev/null 2>&1; then
- ./try
- castflags=$?
-else
- echo "(I can't seem to compile the test program--assuming it can't)"
- castflags=7
-fi
-case "$castflags" in
-0) val="$define"
- echo "Yup, it can."
- ;;
-*) val="$undef"
- echo "Nope, it can't."
- ;;
+Make sure you include the appropriate -L/path flags if your C linker
+does not normally search all of the directories you specified above,
+namely
+ $libpth
+To use no flags, specify the word "none".
+
+EOH
+
+rp="Any additional ld flags (NOT including libraries)?"
+. ./myread
+case "$ans" in
+none) ldflags='';;
+*) ldflags="$ans";;
esac
-set d_castneg
-eval $setvar
-$rm -f try.*
+rmlist="$rmlist pdp11"
-: see if vprintf exists
+: coherency check
echo " "
-if set vprintf val -f d_vprintf; eval $csym; $val; then
- echo 'vprintf() found.' >&4
- val="$define"
- $cat >vprintf.c <<'EOF'
-#include <varargs.h>
+echo "Checking your choice of C compiler and flags for coherency..." >&4
+set X $cc $optimize $ccflags $ldflags try.c -o try
+shift
+$cat >try.msg <<EOM
+I've tried to compile and run a simple program with:
-main() { xxx("foo"); }
+ $*
+ ./try
-xxx(va_alist)
-va_dcl
-{
- va_list args;
- char buf[10];
+and I got the following output:
- va_start(args);
- exit((unsigned long)vsprintf(buf,"%s",args) > 10L);
-}
+EOM
+$cat > try.c <<'EOF'
+#include <stdio.h>
+main() { exit(0); }
EOF
- if $cc $ccflags vprintf.c -o vprintf >/dev/null 2>&1 && ./vprintf; then
- echo "Your vsprintf() returns (int)." >&4
- val2="$undef"
+dflt=y
+if sh -c "$cc $optimize $ccflags try.c -o try $ldflags" >>try.msg 2>&1; then
+ if sh -c './try' >>try.msg 2>&1; then
+ dflt=n
else
- echo "Your vsprintf() returns (char*)." >&4
- val2="$define"
+ echo "The program compiled OK, but exited with status $?." >>try.msg
+ rp="You have a problem. Shall I abort Configure"
+ dflt=y
fi
else
- echo 'vprintf() NOT found.' >&4
- val="$undef"
- val2="$undef"
+ echo "I can't compile the test program." >>try.msg
+ rp="You have a BIG problem. Shall I abort Configure"
+ dflt=y
fi
-set d_vprintf
-eval $setvar
-val=$val2
-set d_charvspr
-eval $setvar
-
-: see if chown exists
-set chown d_chown
-eval $inlibc
+case "$dflt" in
+y)
+ $cat try.msg
+ case "$knowitall" in
+ '')
+ echo "(The supplied flags might be incorrect with this C compiler.)"
+ ;;
+ *) dflt=n;;
+ esac
+ echo " "
+ . ./myread
+ case "$ans" in
+ n*|N*) ;;
+ *) echo "Ok. Stopping Configure." >&4
+ exit 1
+ ;;
+ esac
+ ;;
+n) echo "OK, that should do.";;
+esac
+$rm -f try try.* core
-: see if chroot exists
-set chroot d_chroot
-eval $inlibc
+: compute shared library extension
+case "$so" in
+'')
+ if xxx=`./loc libc.sl X $libpth`; $test -f "$xxx"; then
+ dflt='sl'
+ else
+ dflt='so'
+ fi
+ ;;
+*) dflt="$so";;
+esac
+$cat <<EOM
-: see if chsize exists
-set chsize d_chsize
-eval $inlibc
+On some systems, shared libraries may be available. Answer 'none' if
+you want to suppress searching of shared libraries for the remaining
+of this configuration.
-: check for const keyword
-echo " "
-echo 'Checking to see if your C compiler knows about "const"...' >&4
-$cat >const.c <<'EOCP'
-typedef struct spug { int drokk; } spug;
-main()
-{
- const char *foo;
- const spug y;
-}
-EOCP
-if $cc -c $ccflags const.c >/dev/null 2>&1 ; then
- val="$define"
- echo "Yup, it does."
-else
- val="$undef"
- echo "Nope, it doesn't."
-fi
-set d_const
-eval $setvar
+EOM
+rp='What is the file extension used for shared libraries?'
+. ./myread
+so="$ans"
-: see if crypt exists
+: Looking for optional libraries
echo " "
-if set crypt val -f d_crypt; eval $csym; $val; then
- echo 'crypt() found.' >&4
- val="$define"
- cryptlib=''
-else
- cryptlib=`./loc Slibcrypt.a "" $xlibpth`
- if $test -z "$cryptlib"; then
- cryptlib=`./loc Mlibcrypt.a "" $xlibpth`
- else
- cryptlib=-lcrypt
- fi
- if $test -z "$cryptlib"; then
- cryptlib=`./loc Llibcrypt.a "" $xlibpth`
- else
- cryptlib=-lcrypt
- fi
- if $test -z "$cryptlib"; then
- cryptlib=`./loc libcrypt.a "" $libpth`
- else
- cryptlib=-lcrypt
- fi
- if $test -z "$cryptlib"; then
- echo 'crypt() NOT found.' >&4
- val="$undef"
+echo "Checking for optional libraries..." >&4
+case "$libs" in
+' '|'') dflt='';;
+*) dflt="$libs";;
+esac
+case "$libswanted" in
+'') libswanted='c_s';;
+esac
+for thislib in $libswanted; do
+
+ if xxx=`./loc lib$thislib.$so.[0-9]'*' X $libpth`; $test -f "$xxx"; then
+ echo "Found -l$thislib (shared)."
+ case " $dflt " in
+ *"-l$thislib "*);;
+ *) dflt="$dflt -l$thislib";;
+ esac
+ elif xxx=`./loc lib$thislib.$so X $libpth` ; $test -f "$xxx"; then
+ echo "Found -l$thislib (shared)."
+ case " $dflt " in
+ *"-l$thislib "*);;
+ *) dflt="$dflt -l$thislib";;
+ esac
+ elif xxx=`./loc lib$thislib.a X $libpth`; $test -f "$xxx"; then
+ echo "Found -l$thislib."
+ case " $dflt " in
+ *"-l$thislib "*);;
+ *) dflt="$dflt -l$thislib";;
+ esac
+ elif xxx=`./loc $thislib.a X $libpth`; $test -f "$xxx"; then
+ echo "Found -l$thislib."
+ case " $dflt " in
+ *"-l$thislib "*);;
+ *) dflt="$dflt -l$thislib";;
+ esac
+ elif xxx=`./loc lib${thislib}_s.a X $libpth`; $test -f "$xxx"; then
+ echo "Found -l${thislib}_s."
+ case " $dflt " in
+ *"-l$thislib "*);;
+ *) dflt="$dflt -l${thislib}_s";;
+ esac
+ elif xxx=`./loc Slib$thislib.a X $xlibpth`; $test -f "$xxx"; then
+ echo "Found -l$thislib."
+ case " $dflt " in
+ *"-l$thislib "*);;
+ *) dflt="$dflt -l$thislib";;
+ esac
else
- val="$define"
+ echo "No -l$thislib."
fi
-fi
-set d_crypt
-eval $setvar
-
-: get csh whereabouts
-case "$csh" in
-'csh') val="$undef" ;;
-*) val="$define" ;;
+done
+set X $dflt
+shift
+dflt="$*"
+case "$libs" in
+'') dflt="$dflt";;
+*) dflt="$libs";;
+esac
+case "$dflt" in
+' '|'') dflt='none';;
esac
-set d_csh
-eval $setvar
-full_csh=$csh
-: see if cuserid exists
-set cuserid d_cuserid
-eval $inlibc
+$cat <<EOM
+
+Some versions of Unix support shared libraries, which make executables smaller
+but make load time slightly longer.
-: define an alternate in-header-list? function
-inhdr='echo " "; td=$define; tu=$undef; yyy=$@;
-cont=true; xxf="echo \"<\$1> found.\" >&4";
-case $# in 2) xxnf="echo \"<\$1> NOT found.\" >&4";;
-*) xxnf="echo \"<\$1> NOT found, ...\" >&4";;
-esac;
-case $# in 4) instead=instead;; *) instead="at last";; esac;
-while $test "$cont"; do
- xxx=`./findhdr $1`
- var=$2; eval "was=\$$2";
- if $test "$xxx" && $test -r "$xxx";
- then eval $xxf;
- eval "case \"\$$var\" in $undef) . ./whoa; esac"; eval "$var=\$td";
- cont="";
- else eval $xxnf;
- eval "case \"\$$var\" in $define) . ./whoa; esac"; eval "$var=\$tu"; fi;
- set $yyy; shift; shift; yyy=$@;
- case $# in 0) cont="";;
- 2) xxf="echo \"but I found <\$1> $instead.\" >&4";
- xxnf="echo \"and I did not find <\$1> either.\" >&4";;
- *) xxf="echo \"but I found <\$1\> instead.\" >&4";
- xxnf="echo \"there is no <\$1>, ...\" >&4";;
- esac;
-done;
-while $test "$yyy";
-do set $yyy; var=$2; eval "was=\$$2";
- eval "case \"\$$var\" in $define) . ./whoa; esac"; eval "$var=\$tu";
- set $yyy; shift; shift; yyy=$@;
-done'
+On some systems, mostly newer Unix System V's, the shared library is included
+by putting the option "-lc_s" as the last thing on the cc command line when
+linking. Other systems use shared libraries by default. There may be other
+libraries needed to compile $package on your machine as well. If your system
+needs the "-lc_s" option, include it here. Include any other special libraries
+here as well. Say "none" for none.
+EOM
-: see if this is a limits.h system
-set limits.h i_limits
-eval $inhdr
+echo " "
+rp="Any additional libraries?"
+. ./myread
+case "$ans" in
+none) libs=' ';;
+*) libs="$ans";;
+esac
-: see if this is a float.h system
-set float.h i_float
-eval $inhdr
+: see if nm is to be used to determine whether a symbol is defined or not
+case "$usenm" in
+'')
+ dflt=`egrep 'inlibc|csym' ../Configure | wc -l 2>/dev/null`
+ if $test $dflt -gt 20; then
+ dflt=y
+ else
+ dflt=n
+ fi
+ ;;
+*)
+ case "$usenm" in
+ true) dflt=y;;
+ *) dflt=n;;
+ esac
+ ;;
+esac
+$cat <<EOM
+
+I can use 'nm' to extract the symbols from your C libraries. This is a time
+consuming task which may generate huge output on the disk (up to 3 megabytes)
+but that should make the symbols extraction faster. The alternative is to skip
+the 'nm' extraction part and to compile a small test program instead to
+determine whether each symbol is present. If you have a fast C compiler and/or
+if your 'nm' output cannot be parsed, this may be the best solution.
-: See if number of significant digits in a double precision number is known
-echo " "
-$cat >dbl_dig.c <<EOM
-#$i_limits I_LIMITS
-#$i_float I_FLOAT
-#ifdef I_LIMITS
-#include <limits.h>
-#endif
-#ifdef I_FLOAT
-#include <float.h>
-#endif
-#ifdef DBL_DIG
-printf("Contains DBL_DIG");
-#endif
EOM
-$cppstdin $cppflags $cppminus < dbl_dig.c >dbl_dig.E 2>/dev/null
-if $contains 'DBL_DIG' dbl_dig.E >/dev/null 2>&1; then
- echo "DBL_DIG found." >&4
- val="$define"
-else
- echo "DBL_DIG NOT found." >&4
- val="$undef"
-fi
-$rm -f dbl_dig.?
-set d_dbl_dig
-eval $setvar
+rp='Shall I use nm to extract C symbols from the libraries?'
+. ./myread
+case "$ans" in
+n|N) usenm=false;;
+*) usenm=true;;
+esac
-: see if difftime exists
-set difftime d_difftime
-eval $inlibc
+runnm=$usenm
+case "$reuseval" in
+true) runnm=false;;
+esac
-: see if this is a dirent system
+: nm options which may be necessary
+case "$nm_opt" in
+'') if $test -f /mach_boot; then
+ nm_opt=''
+ elif $test -d /usr/ccs/lib; then
+ nm_opt='-p'
+ elif $test -f /dgux; then
+ nm_opt='-p'
+ else
+ nm_opt=''
+ fi;;
+esac
+
+: nm options which may be necessary for shared libraries but illegal
+: for archive libraries. Thank you, Linux.
+case "$nm_so_opt" in
+'') case "$myuname" in
+ *linux*)
+ if nm --help | $grep 'dynamic' > /dev/null 2>&1; then
+ nm_so_opt='--dynamic'
+ fi
+ ;;
+ esac
+ ;;
+esac
+
+case "$runnm" in
+true)
+: get list of predefined functions in a handy place
echo " "
-if xinc=`./findhdr dirent.h`; $test "$xinc"; then
- val="$define"
- echo "<dirent.h> found." >&4
+case "$libc" in
+'') libc=unknown
+ case "$libs" in
+ *-lc_s*) libc=`./loc libc_s.a $libc $libpth`
+ esac
+ ;;
+esac
+libnames='';
+case "$libs" in
+'') ;;
+*) for thislib in $libs; do
+ case "$thislib" in
+ -lc|-lc_s)
+ : Handle C library specially below.
+ ;;
+ -l*)
+ thislib=`echo $thislib | $sed -e 's/^-l//'`
+ if try=`./loc lib$thislib.$so.'*' X $libpth`; $test -f "$try"; then
+ :
+ elif try=`./loc lib$thislib.$so X $libpth`; $test -f "$try"; then
+ :
+ elif try=`./loc lib$thislib.a X $libpth`; $test -f "$try"; then
+ :
+ elif try=`./loc lib$thislib X $libpth`; $test -f "$try"; then
+ :
+ elif try=`./loc $thislib X $libpth`; $test -f "$try"; then
+ :
+ elif try=`./loc Slib$thislib.a X $xlibpth`; $test -f "$try"; then
+ :
+ else
+ try=''
+ fi
+ libnames="$libnames $try"
+ ;;
+ *) libnames="$libnames $thislib" ;;
+ esac
+ done
+ ;;
+esac
+xxx=normal
+case "$libc" in
+unknown)
+ set /lib/libc.$so
+ for xxx in $libpth; do
+ $test -r $1 || set $xxx/libc.$so
+ : The messy sed command sorts on library version numbers.
+ $test -r $1 || \
+ set `echo blurfl; echo $xxx/libc.$so.[0-9]* | \
+ tr ' ' '\012' | egrep -v '\.[A-Za-z]*$' | $sed -e '
+ h
+ s/[0-9][0-9]*/0000&/g
+ s/0*\([0-9][0-9][0-9][0-9][0-9]\)/\1/g
+ G
+ s/\n/ /' | \
+ sort | $sed -e 's/^.* //'`
+ eval set \$$#
+ done
+ $test -r $1 || set /usr/ccs/lib/libc.$so
+ $test -r $1 || set /lib/libsys_s.a
+ ;;
+*)
+ set blurfl
+ ;;
+esac
+if $test -r "$1"; then
+ echo "Your (shared) C library seems to be in $1."
+ libc="$1"
+elif $test -r /lib/libc && $test -r /lib/clib; then
+ echo "Your C library seems to be in both /lib/clib and /lib/libc."
+ xxx=apollo
+ libc='/lib/clib /lib/libc'
+ if $test -r /lib/syslib; then
+ echo "(Your math library is in /lib/syslib.)"
+ libc="$libc /lib/syslib"
+ fi
+elif $test -r "$libc" || (test -h "$libc") >/dev/null 2>&1; then
+ echo "Your C library seems to be in $libc, as you said before."
+elif $test -r $incpath/usr/lib/libc.a; then
+ libc=$incpath/usr/lib/libc.a;
+ echo "Your C library seems to be in $libc. That's fine."
+elif $test -r /lib/libc.a; then
+ libc=/lib/libc.a;
+ echo "Your C library seems to be in $libc. You're normal."
else
- val="$undef"
- if xinc=`./findhdr sys/dir.h`; $test "$xinc"; then
- echo "<sys/dir.h> found." >&4
- echo " "
+ if tans=`./loc libc.a blurfl/dyick $libpth`; $test -r "$tans"; then
+ :
+ elif tans=`./loc libc blurfl/dyick $libpth`; $test -r "$tans"; then
+ libnames="$libnames "`./loc clib blurfl/dyick $libpth`
+ elif tans=`./loc clib blurfl/dyick $libpth`; $test -r "$tans"; then
+ :
+ elif tans=`./loc Slibc.a blurfl/dyick $xlibpth`; $test -r "$tans"; then
+ :
+ elif tans=`./loc Mlibc.a blurfl/dyick $xlibpth`; $test -r "$tans"; then
+ :
else
- xinc=`./findhdr sys/ndir.h`
+ tans=`./loc Llibc.a blurfl/dyick $xlibpth`
+ fi
+ if $test -r "$tans"; then
+ echo "Your C library seems to be in $tans, of all places."
+ libc=$tans
+ else
+ libc='blurfl'
fi
- echo "<dirent.h> NOT found." >&4
-fi
-set i_dirent
-eval $setvar
-
-: Look for type of directory structure.
-echo " "
-$cppstdin $cppflags $cppminus < "$xinc" > try.c
-
-case "$direntrytype" in
-''|' ')
- case "$i_dirent" in
- $define) guess1='struct dirent' ;;
- *) guess1='struct direct' ;;
- esac
- ;;
-*) guess1="$direntrytype"
- ;;
-esac
-
-case "$guess1" in
-'struct dirent') guess2='struct direct' ;;
-*) guess2='struct dirent' ;;
-esac
-
-if $contains "$guess1" try.c >/dev/null 2>&1; then
- direntrytype="$guess1"
- echo "Your directory entries are $direntrytype." >&4
-elif $contains "$guess2" try.c >/dev/null 2>&1; then
- direntrytype="$guess2"
- echo "Your directory entries seem to be $direntrytype." >&4
-else
- echo "I don't recognize your system's directory entries." >&4
- rp="What type is used for directory entries on this system?"
- dflt="$guess1"
- . ./myread
- direntrytype="$ans"
fi
-$rm -f try.c
+if $test $xxx = apollo -o -r "$libc" || (test -h "$libc") >/dev/null 2>&1; then
+ dflt="$libc"
+ cat <<EOM
+If the guess above is wrong (which it might be if you're using a strange
+compiler, or your machine supports multiple models), you can override it here.
-: see if the directory entry stores field length
-echo " "
-$cppstdin $cppflags $cppminus < "$xinc" > try.c
-if $contains 'd_namlen' try.c >/dev/null 2>&1; then
- echo "Good, your directory entry keeps length information in d_namlen." >&4
- val="$define"
+EOM
else
- echo "Your directory entry does not know about the d_namlen field." >&4
- val="$undef"
-fi
-set d_dirnamlen
-eval $setvar
-$rm -f try.c
+ dflt=''
+ echo $libpth | tr ' ' '\012' | sort | uniq > libpath
+ cat >&4 <<EOM
+I can't seem to find your C library. I've looked in the following places:
-: see if dlerror exists
-set dlerror d_dlerror
-eval $inlibc
+EOM
+ $sed 's/^/ /' libpath
+ cat <<EOM
-: see if dld is available
-set dld.h i_dld
-eval $inhdr
+None of these seems to contain your C library. I need to get its name...
-: see if dlopen exists
-set dlopen d_dlopen
-eval $inlibc
+EOM
+fi
+fn=f
+rp='Where is your C library?'
+. ./getfile
+libc="$ans"
-: determine which dynamic loading, if any, to compile in
echo " "
-dldir="ext/DynaLoader"
-case "$usedl" in
-$define|y|true)
- dflt='y'
- usedl="$define"
- ;;
-$undef|n|false)
- dflt='n'
- usedl="$undef"
- ;;
-*)
- dflt='n'
- case "$d_dlopen" in
- $define) dflt='y' ;;
- esac
- case "$i_dld" in
- $define) dflt='y' ;;
+echo $libc $libnames | tr ' ' '\012' | sort | uniq > libnames
+set X `cat libnames`
+shift
+xxx=files
+case $# in 1) xxx=file; esac
+echo "Extracting names from the following $xxx for later perusal:" >&4
+echo " "
+$sed 's/^/ /' libnames >&4
+echo " "
+$echo $n "This may take a while...$c" >&4
+
+: Linux may need the special Dynamic option to nm for shared libraries.
+: In general, this is stored in the nm_so_opt variable.
+: Unfortunately, that option may be fatal on non-shared libraries.
+for nm_libs_ext in $*; do
+ case $nm_libs_ext in
+ *$so*) nm $nm_so_opt $nm_opt $nm_libs_ext 2>/dev/null ;;
+ *) nm $nm_opt $nm_libs_ext 2>/dev/null ;;
esac
- : Does a dl_xxx.xs file exist for this operating system
- $test -f ../$dldir/dl_${osname}.xs && dflt='y'
- ;;
-esac
-rp="Do you wish to use dynamic loading?"
-. ./myread
-usedl="$ans"
-case "$ans" in
-y*) usedl="$define"
- case "$dlsrc" in
- '')
- if $test -f ../$dldir/dl_${osname}.xs ; then
- dflt="$dldir/dl_${osname}.xs"
- elif $test "$d_dlopen" = "$define" ; then
- dflt="$dldir/dl_dlopen.xs"
- elif $test "$i_dld" = "$define" ; then
- dflt="$dldir/dl_dld.xs"
+done > libc.tmp
+
+$echo $n ".$c"
+$grep fprintf libc.tmp > libc.ptf
+xscan='eval "<libc.ptf $com >libc.list"; $echo $n ".$c" >&4'
+xrun='eval "<libc.tmp $com >libc.list"; echo "done" >&4'
+xxx='[ADTSIW]'
+if com="$sed -n -e 's/__IO//' -e 's/^.* $xxx *_[_.]*//p' -e 's/^.* $xxx //p'";\
+ eval $xscan;\
+ $contains '^fprintf$' libc.list >/dev/null 2>&1; then
+ eval $xrun
+elif com="$sed -n -e 's/^__*//' -e 's/^\([a-zA-Z_0-9$]*\).*xtern.*/\1/p'";\
+ eval $xscan;\
+ $contains '^fprintf$' libc.list >/dev/null 2>&1; then
+ eval $xrun
+elif com="$sed -n -e '/|UNDEF/d' -e '/FUNC..GL/s/^.*|__*//p'";\
+ eval $xscan;\
+ $contains '^fprintf$' libc.list >/dev/null 2>&1; then
+ eval $xrun
+elif com="$sed -n -e 's/^.* D __*//p' -e 's/^.* D //p'";\
+ eval $xscan;\
+ $contains '^fprintf$' libc.list >/dev/null 2>&1; then
+ eval $xrun
+elif com="$sed -n -e 's/^_//' -e 's/^\([a-zA-Z_0-9]*\).*xtern.*text.*/\1/p'";\
+ eval $xscan;\
+ $contains '^fprintf$' libc.list >/dev/null 2>&1; then
+ eval $xrun
+elif com="$sed -n -e 's/^.*|FUNC |GLOB .*|//p'";\
+ eval $xscan;\
+ $contains '^fprintf$' libc.list >/dev/null 2>&1; then
+ eval $xrun
+elif com="$grep '|' | $sed -n -e '/|COMMON/d' -e '/|DATA/d' \
+ -e '/ file/d' -e 's/^\([^ ]*\).*/\1/p'";\
+ eval $xscan;\
+ $contains '^fprintf$' libc.list >/dev/null 2>&1; then
+ eval $xrun
+elif com="$sed -n -e 's/^.*|FUNC |GLOB .*|//p' -e 's/^.*|FUNC |WEAK .*|//p'";\
+ eval $xscan;\
+ $contains '^fprintf$' libc.list >/dev/null 2>&1; then
+ eval $xrun
+elif com="$sed -n -e 's/^__//' -e '/|Undef/d' -e '/|Proc/s/ .*//p'";\
+ eval $xscan;\
+ $contains '^fprintf$' libc.list >/dev/null 2>&1; then
+ eval $xrun
+elif com="$sed -n -e '/Def. Text/s/.* \([^ ]*\)\$/\1/p'";\
+ eval $xscan;\
+ $contains '^fprintf$' libc.list >/dev/null 2>&1; then
+ eval $xrun
+elif com="$sed -n -e 's/^[-0-9a-f ]*_\(.*\)=.*/\1/p'";\
+ eval $xscan;\
+ $contains '^fprintf$' libc.list >/dev/null 2>&1; then
+ eval $xrun
+else
+ nm -p $* 2>/dev/null >libc.tmp
+ $grep fprintf libc.tmp > libc.ptf
+ if com="$sed -n -e 's/^.* [ADTSIW] *_[_.]*//p' -e 's/^.* [ADTSIW] //p'";\
+ eval $xscan; $contains '^fprintf$' libc.list >/dev/null 2>&1
+ then
+ nm_opt='-p'
+ eval $xrun
+ else
+ echo " "
+ echo "nm didn't seem to work right. Trying ar instead..." >&4
+ com=''
+ if ar t $libc > libc.tmp; then
+ for thisname in $libnames; do
+ ar t $thisname >>libc.tmp
+ done
+ $sed -e 's/\.o$//' < libc.tmp > libc.list
+ echo "Ok." >&4
else
- dflt=''
+ echo "ar didn't seem to work right." >&4
+ echo "Maybe this is a Cray...trying bld instead..." >&4
+ if bld t $libc | $sed -e 's/.*\///' -e 's/\.o:.*$//' > libc.list
+ then
+ for thisname in $libnames; do
+ bld t $libnames | \
+ $sed -e 's/.*\///' -e 's/\.o:.*$//' >>libc.list
+ ar t $thisname >>libc.tmp
+ done
+ echo "Ok." >&4
+ else
+ echo "That didn't work either. Giving up." >&4
+ exit 1
+ fi
fi
- ;;
- *) dflt="$dldir/$dlsrc"
- ;;
- esac
- echo "The following dynamic loading files are available:"
- : Can not go over to $dldir because getfile has path hard-coded in.
- cd ..; ls -C $dldir/dl*.xs; cd UU
- rp="Source file to use for dynamic loading"
- fn="fne"
- . ./getfile
- usedl="$define"
- : emulate basename
- dlsrc=`echo $ans | $sed -e 's@.*/\([^/]*\)$@\1@'`
-
- $cat << EOM
-
-Some systems may require passing special flags to $cc -c to
-compile modules that will be used to create a shared library.
-To use no flags, say "none".
-
-EOM
- case "$cccdlflags" in
- '') case "$gccversion" in
- '') case "$osname" in
- hpux) dflt='+z' ;;
- next) dflt='none' ;;
- solaris) dflt='-K pic' ;;
- sunos) dflt='-pic' ;;
- svr4*|esix*) dflt='-Kpic' ;;
- *) dflt='none' ;;
- esac ;;
- *) dflt='-fpic' ;;
- esac ;;
- *) dflt="$cccdlflags" ;;
- esac
- rp="Any special flags to pass to $cc -c to compile shared library modules?"
- . ./myread
- case "$ans" in
- none) cccdlflags=' ' ;;
- *) cccdlflags="$ans" ;;
- esac
+ fi
+fi
+nm_extract="$com"
+if $test -f /lib/syscalls.exp; then
+ echo " "
+ echo "Also extracting names from /lib/syscalls.exp for good ole AIX..." >&4
+ $sed -n 's/^\([^ ]*\)[ ]*syscall$/\1/p' /lib/syscalls.exp >>libc.list
+fi
+;;
+esac
+$rm -f libnames libpath
- cat << EOM
+: is a C symbol defined?
+csym='tlook=$1;
+case "$3" in
+-v) tf=libc.tmp; tc=""; tdc="";;
+-a) tf=libc.tmp; tc="[0]"; tdc="[]";;
+*) tlook="^$1\$"; tf=libc.list; tc="()"; tdc="()";;
+esac;
+tx=yes;
+case "$reuseval-$4" in
+true-) ;;
+true-*) tx=no; eval "tval=\$$4"; case "$tval" in "") tx=yes;; esac;;
+esac;
+case "$tx" in
+yes)
+ case "$runnm" in
+ true)
+ if $contains $tlook $tf >/dev/null 2>&1;
+ then tval=true;
+ else tval=false;
+ fi;;
+ *)
+ echo "main() { extern short $1$tdc; printf(\"%hd\", $1$tc); }" > t.c;
+ if $cc $ccflags $ldflags -o t t.c $libs >/dev/null 2>&1;
+ then tval=true;
+ else tval=false;
+ fi;
+ $rm -f t t.c;;
+ esac;;
+*)
+ case "$tval" in
+ $define) tval=true;;
+ *) tval=false;;
+ esac;;
+esac;
+eval "$2=$tval"'
-Some systems use ld to create libraries that can be dynamically loaded,
-while other systems (such as those using ELF) use $cc.
+: define an is-in-libc? function
+inlibc='echo " "; td=$define; tu=$undef;
+sym=$1; var=$2; eval "was=\$$2";
+tx=yes;
+case "$reuseval$was" in
+true) ;;
+true*) tx=no;;
+esac;
+case "$tx" in
+yes)
+ set $sym tres -f;
+ eval $csym;
+ case "$tres" in
+ true)
+ echo "$sym() found." >&4;
+ case "$was" in $undef) . ./whoa; esac; eval "$var=\$td";;
+ *)
+ echo "$sym() NOT found." >&4;
+ case "$was" in $define) . ./whoa; esac; eval "$var=\$tu";;
+ esac;;
+*)
+ case "$was" in
+ $define) echo "$sym() found." >&4;;
+ *) echo "$sym() NOT found." >&4;;
+ esac;;
+esac'
-EOM
- case "$ld" in
- '') $cat >try.c <<'EOM'
-/* Test for whether ELF binaries are produced */
-#include <fcntl.h>
-#include <stdlib.h>
-main() {
- char b[4];
- int i = open("a.out",O_RDONLY);
- if(i == -1)
- exit(1); /* fail */
- if(read(i,b,4)==4 && b[0]==127 && b[1]=='E' && b[2]=='L' && b[3]=='F')
- exit(0); /* succeed (yes, it's ELF) */
- else
- exit(1); /* fail */
+: Check how to convert floats to strings.
+echo " "
+echo "Checking for an efficient way to convert floats to strings."
+$cat >try.c <<'EOP'
+#ifdef TRY_gconvert
+#define Gconvert(x,n,t,b) gconvert((x),(n),(t),(b))
+#endif
+#ifdef TRY_gcvt
+#define Gconvert(x,n,t,b) gcvt((x),(n),(b))
+#endif
+#ifdef TRY_sprintf
+#define Gconvert(x,n,t,b) sprintf((b),"%.*g",(n),(x))
+#endif
+main() {
+ char buf[64];
+ Gconvert(1.0, 8, 0, buf);
+ if (buf[0] != '1' || buf[1] != '\0')
+ exit(1);
+ Gconvert(0.0, 8, 0, buf);
+ if (buf[0] != '0' || buf[1] != '\0')
+ exit(1);
+ Gconvert(-1.0, 8, 0, buf);
+ if (buf[0] != '-' || buf[1] != '1' || buf[2] != '\0')
+ exit(1);
+ exit(0);
}
-EOM
- if $cc $ccflags try.c >/dev/null 2>&1 && ./a.out; then
- cat <<EOM
-You appear to have ELF support. I'll use $cc to build dynamic libraries.
-EOM
- dflt="$cc"
+EOP
+case "$d_Gconvert" in
+gconvert*) xxx_list='gconvert gcvt sprintf' ;;
+gcvt*) xxx_list='gcvt gconvert sprintf' ;;
+sprintf*) xxx_list='sprintf gconvert gcvt' ;;
+*) xxx_list='gconvert gcvt sprintf' ;;
+esac
+
+for xxx_convert in $xxx_list; do
+ echo "Trying $xxx_convert"
+ $rm -f try try.o
+ if $cc $ccflags -DTRY_$xxx_convert $ldflags -o try \
+ try.c $libs > /dev/null 2>&1 ; then
+ echo "$xxx_convert" found. >&4
+ if ./try; then
+ echo "Good, $xxx_convert drops a trailing decimal point."
+ echo "I'll use $xxx_convert to convert floats into a string." >&4
+ break;
else
- echo "I'll use ld to build dynamic libraries."
- dflt='ld'
+ echo "But $xxx_convert keeps a trailing decimal point".
fi
- rm -f try.c a.out
- ;;
- *) dflt="$ld"
- ;;
- esac
-
- rp="What command should be used to create dynamic libraries?"
- . ./myread
- ld="$ans"
+ else
+ echo "$xxx_convert NOT found." >&4
+ fi
+done
+
+case "$xxx_convert" in
+gconvert) d_Gconvert='gconvert((x),(n),(t),(b))' ;;
+gcvt) d_Gconvert='gcvt((x),(n),(b))' ;;
+*) d_Gconvert='sprintf((b),"%.*g",(n),(x))' ;;
+esac
- cat << EOM
+: Initialize h_fcntl
+h_fcntl=false
-Some systems may require passing special flags to $ld to create a
-library that can be dynamically loaded. If your ld flags include
--L/other/path options to locate libraries outside your loader's normal
-search path, you may need to specify those -L options here as well. To
-use no flags, say "none".
+: Initialize h_sysfile
+h_sysfile=false
-EOM
- case "$lddlflags" in
- ''|' ') case "$osname" in
- hpux) dflt='-b' ;;
- linux) dflt='-shared' ;;
- next) dflt='none' ;;
- solaris) dflt='-G' ;;
- sunos) dflt='-assert nodefinitions' ;;
- svr4*|esix*) dflt="-G $ldflags" ;;
- *) dflt='none' ;;
- esac
- ;;
- *) dflt="$lddlflags" ;;
- esac
- rp="Any special flags to pass to $ld to create a dynamically loaded library?"
- . ./myread
- case "$ans" in
- none) lddlflags=' ' ;;
- *) lddlflags="$ans" ;;
- esac
+: determine filename position in cpp output
+echo " "
+echo "Computing filename position in cpp output for #include directives..." >&4
+echo '#include <stdio.h>' > foo.c
+$cat >fieldn <<EOF
+$startsh
+$cppstdin $cppflags $cppminus <foo.c 2>/dev/null | \
+$grep '^[ ]*#.*stdio\.h' | \
+while read cline; do
+ pos=1
+ set \$cline
+ while $test \$# -gt 0; do
+ if $test -r \`echo \$1 | $tr -d '"'\`; then
+ echo "\$pos"
+ exit 0
+ fi
+ shift
+ pos=\`expr \$pos + 1\`
+ done
+done
+EOF
+chmod +x fieldn
+fieldn=`./fieldn`
+$rm -f foo.c fieldn
+case $fieldn in
+'') pos='???';;
+1) pos=first;;
+2) pos=second;;
+3) pos=third;;
+*) pos="${fieldn}th";;
+esac
+echo "Your cpp writes the filename in the $pos field of the line."
- cat <<EOM
+: locate header file
+$cat >findhdr <<EOF
+$startsh
+wanted=\$1
+name=''
+if test -f $usrinc/\$wanted; then
+ echo "$usrinc/\$wanted"
+ exit 0
+fi
+awkprg='{ print \$$fieldn }'
+echo "#include <\$wanted>" > foo\$\$.c
+$cppstdin $cppminus $cppflags < foo\$\$.c 2>/dev/null | \
+$grep "^[ ]*#.*\$wanted" | \
+while read cline; do
+ name=\`echo \$cline | $awk "\$awkprg" | $tr -d '"'\`
+ case "\$name" in
+ */\$wanted) echo "\$name"; exit 0;;
+ *) name='';;
+ esac;
+done;
+$rm -f foo\$\$.c;
+case "\$name" in
+'') exit 1;;
+esac
+EOF
+chmod +x findhdr
-Some systems may require passing special flags to $cc to indicate that
-the resulting executable will use dynamic linking. To use no flags,
-say "none".
+: access call always available on UNIX
+set access d_access
+eval $inlibc
-EOM
- case "$ccdlflags" in
- ''|' ') case "$osname" in
- hpux) dflt='-Wl,-E' ;;
- linux) dflt='-rdynamic' ;;
- next) dflt='none' ;;
- sunos) dflt='none' ;;
- *) dflt='none' ;;
- esac ;;
- *) dflt="$ccdlflags" ;;
- esac
- rp="Any special flags to pass to $cc to use dynamic loading?"
- . ./myread
- case "$ans" in
- none) ccdlflags=' ' ;;
- *) ccdlflags="$ans" ;;
- esac
- ;;
-*) usedl="$undef"
- ld='ld'
- dlsrc='dl_none.xs'
- lddlflags=''
- ccdlflags=''
- ;;
+: locate the flags for 'access()'
+case "$d_access" in
+"$define")
+ echo " "
+ $cat >access.c <<'EOCP'
+#include <sys/types.h>
+#ifdef I_FCNTL
+#include <fcntl.h>
+#endif
+#ifdef I_SYS_FILE
+#include <sys/file.h>
+#endif
+#ifdef I_UNISTD
+#include <unistd.h>
+#endif
+main() {
+ exit(R_OK);
+}
+EOCP
+ : check sys/file.h first, no particular reason here
+ if $test `./findhdr sys/file.h` && \
+ $cc $cppflags -DI_SYS_FILE access.c -o access >/dev/null 2>&1 ; then
+ h_sysfile=true;
+ echo "<sys/file.h> defines the *_OK access constants." >&4
+ elif $test `./findhdr fcntl.h` && \
+ $cc $cppflags -DI_FCNTL access.c -o access >/dev/null 2>&1 ; then
+ h_fcntl=true;
+ echo "<fcntl.h> defines the *_OK access constants." >&4
+ elif $test `./findhdr unistd.h` && \
+ $cc $cppflags -DI_UNISTD access.c -o access >/dev/null 2>&1 ; then
+ echo "<unistd.h> defines the *_OK access constants." >&4
+ else
+ echo "I can't find the four *_OK access constants--I'll use mine." >&4
+ fi
+ ;;
esac
+$rm -f access*
-val="$undef"
-case "$osname" in
-esix*|svr4*)
- case "$usedl" in
- $define)
- $cat <<EOM
+: see if alarm exists
+set alarm d_alarm
+eval $inlibc
-System V Release 4 systems can support dynamic loading
-only if libperl is created as a shared library.
+: Look for GNU-cc style attribute checking
+echo " "
+echo "Checking whether your compiler can handle __attribute__ ..." >&4
+$cat >attrib.c <<'EOCP'
+#include <stdio.h>
+void croak (char* pat,...) __attribute__((format(printf,1,2),noreturn));
+EOCP
+if $cc $ccflags -c attrib.c >attrib.out 2>&1 ; then
+ if $contains 'warning' attrib.out >/dev/null 2>&1; then
+ echo "Your C compiler doesn't fully support __attribute__."
+ val="$undef"
+ else
+ echo "Your C compiler supports __attribute__."
+ val="$define"
+ fi
+else
+ echo "Your C compiler doesn't seem to understand __attribute__ at all."
+ val="$undef"
+fi
+set d_attribut
+eval $setvar
+$rm -f attrib*
-EOM
- val="$define"
- ;;
- esac ;;
-esac
-set d_shrplib; eval $setvar
-case "$d_shrplib" in
-$define)
- cat <<EOM >&4
+: see if bcmp exists
+set bcmp d_bcmp
+eval $inlibc
-Be sure to add the perl source directory to the LD_LIBRARY_PATH
-environment variable before running make:
- LD_LIBRARY_PATH=`cd ..;pwd`; export LD_LIBRARY_PATH
-or
- setenv LD_LIBRARY_PATH `cd ..;pwd`
+: see if bcopy exists
+set bcopy d_bcopy
+eval $inlibc
-EOM
-;;
-esac
-case "$d_shrplib" in
-$define)
- case "$shrpdir" in
- "") dflt="$archlib/CORE";;
- *) dflt="$shrpdir";;
- esac
- rp="What directory should we install the shared libperl into?"
- fn="d~"
- . ./getfile
- shrpdir="$ans"
- ;;
-*) shrpdir='none'
+: see if setpgrp exists
+set setpgrp d_setpgrp
+eval $inlibc
+
+: see which flavor of setpgrp is in use
+case "$d_setpgrp" in
+"$define")
+ echo " "
+ $cat >set.c <<EOP
+main()
+{
+ if (getuid() == 0) {
+ printf("(I see you are running Configure as super-user...)\n");
+ setuid(1);
+ }
+ if (-1 == setpgrp(1, 1))
+ exit(1);
+ exit(0);
+}
+EOP
+ if $cc $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1; then
+ ./set 2>/dev/null
+ case $? in
+ 0) echo "You have to use setpgrp() instead of setpgrp(pid, pgrp)." >&4
+ val="$undef";;
+ *) echo "You have to use setpgrp(pid, pgrp) instead of setpgrp()." >&4
+ val="$define";;
+ esac
+ else
+ if ./usg; then
+ xxx="USG one, i.e. you use setpgrp()."
+ val="$undef"
+ else
+ xxx="BSD one, i.e. you use setpgrp(pid, pgrp)."
+ val="$define"
+ fi
+ echo "Assuming your setpgrp is a $xxx" >&4
+ fi
;;
+*) val="$undef";;
esac
+set d_bsdpgrp
+eval $setvar
+$rm -f set set.c
-: see if dlfcn is available
-set dlfcn.h i_dlfcn
-eval $inhdr
-
-case "$usedl" in
-$define|y|true)
- $cat << EOM
+: see if bzero exists
+set bzero d_bzero
+eval $inlibc
-On a few systems, the dynamically loaded modules that perl generates and uses
-will need a different extension then shared libs. The default will probably
-be appropriate.
+: check for length of integer
+echo " "
+case "$intsize" in
+'')
+ echo "Checking to see how big your integers are..." >&4
+ $cat >try.c <<'EOCP'
+#include <stdio.h>
+main()
+{
+ printf("%d\n", sizeof(int));
+ exit(0);
+}
+EOCP
+ if $cc $ccflags try.c -o try >/dev/null 2>&1 && ./try > /dev/null; then
+ intsize=`./try`
+ echo "Your integers are $intsize bytes long."
+ else
+ dflt='4'
+ echo "(I can't seem to compile the test program. Guessing...)"
+ rp="What is the size of an integer (in bytes)?"
+ . ./myread
+ intsize="$ans"
+ fi
+ ;;
+esac
+$rm -f try.c try
-EOM
- case "$dlext" in
- '') dflt="$so" ;;
- *) dflt="$dlext" ;;
+: see if signal is declared as pointer to function returning int or void
+echo " "
+xxx=`./findhdr signal.h`
+$test "$xxx" && $cppstdin $cppminus $cppflags < $xxx >$$.tmp 2>/dev/null
+if $contains 'int.*\*[ ]*signal' $$.tmp >/dev/null 2>&1 ; then
+ echo "You have int (*signal())() instead of void." >&4
+ val="$undef"
+elif $contains 'void.*\*[ ]*signal' $$.tmp >/dev/null 2>&1 ; then
+ echo "You have void (*signal())() instead of int." >&4
+ val="$define"
+elif $contains 'extern[ ]*[(\*]*signal' $$.tmp >/dev/null 2>&1 ; then
+ echo "You have int (*signal())() instead of void." >&4
+ val="$undef"
+else
+ case "$d_voidsig" in
+ '')
+ echo "I can't determine whether signal handler returns void or int..." >&4
+ dflt=void
+ rp="What type does your signal handler return?"
+ . ./myread
+ case "$ans" in
+ v*) val="$define";;
+ *) val="$undef";;
+ esac;;
+ "$define")
+ echo "As you already told me, signal handler returns void." >&4;;
+ *)
+ echo "As you already told me, signal handler returns int." >&4;;
esac
- rp='What is the extension of dynamically loaded modules'
- . ./myread
- dlext="$ans"
- ;;
-*)
- dlext="none"
- ;;
+fi
+set d_voidsig
+eval $setvar
+case "$d_voidsig" in
+"$define") signal_t="void";;
+*) signal_t="int";;
esac
+$rm -f $$.tmp
-: Check if dlsym need a leading underscore
+: check for ability to cast large floats to 32-bit ints.
echo " "
-val="$undef"
+echo 'Checking whether your C compiler can cast large floats to int32.' >&4
+if $test "$intsize" -eq 4; then
+ xxx=int
+else
+ xxx=long
+fi
+$cat >try.c <<EOCP
+#include <sys/types.h>
+#include <signal.h>
+$signal_t blech() { exit(3); }
+main()
+{
+ $xxx i32;
+ double f;
+ int result = 0;
+ signal(SIGFPE, blech);
-case "$dlsrc" in
-dl_dlopen.xs)
- echo "Checking whether your dlsym() needs a leading underscore ..." >&4
- $cat >dyna.c <<'EOM'
-fred () { }
-EOM
+ f = (double) 0x7fffffff;
+ f = 10 * f;
+ i32 = ($xxx) f;
-$cat >fred.c<<EOM
+ if (i32 != ($xxx) f)
+ result |= 1;
+ exit(result);
+}
+EOCP
+if $cc -o try $ccflags try.c >/dev/null 2>&1; then
+ ./try
+ yyy=$?
+else
+ echo "(I can't seem to compile the test program--assuming it can't)"
+ yyy=1
+fi
+case "$yyy" in
+0) val="$define"
+ echo "Yup, it can."
+ ;;
+*) val="$undef"
+ echo "Nope, it can't."
+ ;;
+esac
+set d_casti32
+eval $setvar
+$rm -f try try.*
-#include <stdio.h>
-#$i_dlfcn I_DLFCN
-#ifdef I_DLFCN
-#include <dlfcn.h> /* the dynamic linker include file for Sunos/Solaris */
-#else
+: check for ability to cast negative floats to unsigned
+echo " "
+echo 'Checking whether your C compiler can cast negative float to unsigned.' >&4
+$cat >try.c <<EOCP
#include <sys/types.h>
-#include <nlist.h>
-#include <link.h>
-#endif
-
-extern int fred() ;
-
+#include <signal.h>
+$signal_t blech() { exit(7); }
+$signal_t blech_in_list() { exit(4); }
+unsigned long dummy_long(p) unsigned long p; { return p; }
+unsigned int dummy_int(p) unsigned int p; { return p; }
+unsigned short dummy_short(p) unsigned short p; { return p; }
main()
{
- void * handle ;
- void * symbol ;
-#ifndef RTLD_LAZY
- int mode = 1 ;
-#else
- int mode = RTLD_LAZY ;
-#endif
- handle = dlopen("./dyna.$dlext", mode) ;
- if (handle == NULL) {
- printf ("1\n") ;
- exit(0);
- }
- symbol = dlsym(handle, "fred") ;
- if (symbol == NULL) {
- /* try putting a leading underscore */
- symbol = dlsym(handle, "_fred") ;
- if (symbol == NULL) {
- printf ("2\n") ;
- exit(0);
- }
- printf ("3\n") ;
- }
- else
- printf ("4\n") ;
- exit(0);
+ double f = -123.;
+ unsigned long along;
+ unsigned int aint;
+ unsigned short ashort;
+ int result = 0;
+
+ signal(SIGFPE, blech);
+ along = (unsigned long)f;
+ aint = (unsigned int)f;
+ ashort = (unsigned short)f;
+ if (along != (unsigned long)-123)
+ result |= 1;
+ if (aint != (unsigned int)-123)
+ result |= 1;
+ if (ashort != (unsigned short)-123)
+ result |= 1;
+ f = (double)0x40000000;
+ f = f + f;
+ along = 0;
+ along = (unsigned long)f;
+ if (along != 0x80000000)
+ result |= 2;
+ f -= 1.;
+ along = 0;
+ along = (unsigned long)f;
+ if (along != 0x7fffffff)
+ result |= 1;
+ f += 2.;
+ along = 0;
+ along = (unsigned long)f;
+ if (along != 0x80000001)
+ result |= 2;
+ if (result)
+ exit(result);
+ signal(SIGFPE, blech_in_list);
+ f = 123.;
+ along = dummy_long((unsigned long)f);
+ aint = dummy_int((unsigned int)f);
+ ashort = dummy_short((unsigned short)f);
+ if (along != (unsigned long)123)
+ result |= 4;
+ if (aint != (unsigned int)123)
+ result |= 4;
+ if (ashort != (unsigned short)123)
+ result |= 4;
+ exit(result);
+
}
-EOM
- if $cc $ccflags $cccdlflags -c dyna.c > /dev/null 2>&1 &&
- $ld $lddlflags -o dyna.$dlext dyna.o > /dev/null 2>&1 &&
- $cc $ccflags $ldflags $cccdlflags $ccdlflags fred.c -o fred $libs > /dev/null 2>&1; then
- xxx=`./fred`
- case $xxx in
- 1) echo "Test program failed using dlopen." >&4
- echo "Perhaps you should not use dynamic loading." >&4;;
- 2) echo "Test program failed using dlsym." >&4
- echo "Perhaps you should not use dynamic loading." >&4;;
- 3) echo "dlsym needs a leading underscore" >&4
- val="$define" ;;
- 4) echo "dlsym doesn't need a leading underscore." >&4;;
- esac
- else
- echo "I can't compile and run the test program." >&4
- fi
+EOCP
+if $cc -o try $ccflags try.c >/dev/null 2>&1; then
+ ./try
+ castflags=$?
+else
+ echo "(I can't seem to compile the test program--assuming it can't)"
+ castflags=7
+fi
+case "$castflags" in
+0) val="$define"
+ echo "Yup, it can."
+ ;;
+*) val="$undef"
+ echo "Nope, it can't."
;;
esac
-
-$rm -f fred fred.? dyna.$dlext dyna.?
-
-set d_dlsymun
+set d_castneg
eval $setvar
+$rm -f try.*
-: see if setuid scripts can be secure
-$cat <<EOM
-
-Some kernels have a bug that prevents setuid #! scripts from being
-secure. Some sites have disabled setuid #! scripts because of this.
+: see if vprintf exists
+echo " "
+if set vprintf val -f d_vprintf; eval $csym; $val; then
+ echo 'vprintf() found.' >&4
+ val="$define"
+ $cat >vprintf.c <<'EOF'
+#include <varargs.h>
-First let's decide if your kernel supports secure setuid #! scripts.
-(If setuid #! scripts would be secure but have been disabled anyway,
-don't say that they are secure if asked.)
+main() { xxx("foo"); }
-EOM
+xxx(va_alist)
+va_dcl
+{
+ va_list args;
+ char buf[10];
-val="$undef"
-if $test -d /dev/fd; then
- echo "#!$ls" >reflect
- chmod +x,u+s reflect
- ./reflect >flect 2>&1
- if $contains "/dev/fd" flect >/dev/null; then
- echo "Congratulations, your kernel has secure setuid scripts!" >&4
- val="$define"
+ va_start(args);
+ exit((unsigned long)vsprintf(buf,"%s",args) > 10L);
+}
+EOF
+ if $cc $ccflags vprintf.c -o vprintf >/dev/null 2>&1 && ./vprintf; then
+ echo "Your vsprintf() returns (int)." >&4
+ val2="$undef"
else
- $cat <<EOM
-If you are not sure if they are secure, I can check but I'll need a
-username and password different from the one you are using right now.
-If you don't have such a username or don't want me to test, simply
-enter 'none'.
-
-EOM
- rp='Other username to test security of setuid scripts with?'
- dflt='none'
- . ./myread
- case "$ans" in
- n|none)
- case "$d_suidsafe" in
- '') echo "I'll assume setuid scripts are *not* secure." >&4
- dflt=n;;
- "$undef")
- echo "Well, the $hint value is *not* secure." >&4
- dflt=n;;
- *) echo "Well, the $hint value *is* secure." >&4
- dflt=y;;
- esac
- ;;
- *)
- $rm -f reflect flect
- echo "#!$ls" >reflect
- chmod +x,u+s reflect
- echo >flect
- chmod a+w flect
- echo '"su" will (probably) prompt you for '"$ans's password."
- su $ans -c './reflect >flect'
- if $contains "/dev/fd" flect >/dev/null; then
- echo "Okay, it looks like setuid scripts are secure." >&4
- dflt=y
- else
- echo "I don't think setuid scripts are secure." >&4
- dflt=n
- fi
- ;;
- esac
- rp='Does your kernel have *secure* setuid scripts?'
- . ./myread
- case "$ans" in
- [yY]*) val="$define";;
- *) val="$undef";;
- esac
+ echo "Your vsprintf() returns (char*)." >&4
+ val2="$define"
fi
else
- echo "I don't think setuid scripts are secure (no /dev/fd directory)." >&4
- val="$undef"
-fi
-set d_suidsafe
-eval $setvar
-
-$rm -f reflect flect
-
-: now see if they want to do setuid emulation
-echo " "
-val="$undef"
-case "$d_suidsafe" in
-"$define")
- val="$undef"
- echo "No need to emulate SUID scripts since they are secure here." >& 4
- ;;
-*)
- $cat <<EOM
-Some systems have disabled setuid scripts, especially systems where
-setuid scripts cannot be secure. On systems where setuid scripts have
-been disabled, the setuid/setgid bits on scripts are currently
-useless. It is possible for $package to detect those bits and emulate
-setuid/setgid in a secure fashion. This emulation will only work if
-setuid scripts have been disabled in your kernel.
-
-EOM
- case "$d_dosuid" in
- "$define") dflt=y ;;
- *) dflt=n ;;
- esac
- rp="Do you want to do setuid/setgid emulation?"
- . ./myread
- case "$ans" in
- [yY]*) val="$define";;
- *) val="$undef";;
- esac
- ;;
-esac
-set d_dosuid
+ echo 'vprintf() NOT found.' >&4
+ val="$undef"
+ val2="$undef"
+fi
+set d_vprintf
+eval $setvar
+val=$val2
+set d_charvspr
eval $setvar
-: see if dup2 exists
-set dup2 d_dup2
-eval $inlibc
-
-: see if fchmod exists
-set fchmod d_fchmod
+: see if chown exists
+set chown d_chown
eval $inlibc
-: see if fchown exists
-set fchown d_fchown
+: see if chroot exists
+set chroot d_chroot
eval $inlibc
-: see if this is an fcntl system
-set fcntl d_fcntl
+: see if chsize exists
+set chsize d_chsize
eval $inlibc
-: see if fgetpos exists
-set fgetpos d_fgetpos
-eval $inlibc
+: check for const keyword
+echo " "
+echo 'Checking to see if your C compiler knows about "const"...' >&4
+$cat >const.c <<'EOCP'
+typedef struct spug { int drokk; } spug;
+main()
+{
+ const char *foo;
+ const spug y;
+}
+EOCP
+if $cc -c $ccflags const.c >/dev/null 2>&1 ; then
+ val="$define"
+ echo "Yup, it does."
+else
+ val="$undef"
+ echo "Nope, it doesn't."
+fi
+set d_const
+eval $setvar
-: see if we can have long filenames
+: see if crypt exists
echo " "
-rmlist="$rmlist /tmp/cf$$"
-$test -d /tmp/cf$$ || mkdir /tmp/cf$$
-first=123456789abcdef
-second=/tmp/cf$$/$first
-$rm -f $first $second
-if (echo hi >$first) 2>/dev/null; then
- if $test -f 123456789abcde; then
- echo 'You cannot have filenames longer than 14 characters. Sigh.' >&4
+if set crypt val -f d_crypt; eval $csym; $val; then
+ echo 'crypt() found.' >&4
+ val="$define"
+ cryptlib=''
+else
+ cryptlib=`./loc Slibcrypt.a "" $xlibpth`
+ if $test -z "$cryptlib"; then
+ cryptlib=`./loc Mlibcrypt.a "" $xlibpth`
+ else
+ cryptlib=-lcrypt
+ fi
+ if $test -z "$cryptlib"; then
+ cryptlib=`./loc Llibcrypt.a "" $xlibpth`
+ else
+ cryptlib=-lcrypt
+ fi
+ if $test -z "$cryptlib"; then
+ cryptlib=`./loc libcrypt.a "" $libpth`
+ else
+ cryptlib=-lcrypt
+ fi
+ if $test -z "$cryptlib"; then
+ echo 'crypt() NOT found.' >&4
val="$undef"
else
- if (echo hi >$second) 2>/dev/null; then
- if $test -f /tmp/cf$$/123456789abcde; then
- $cat <<'EOM'
-That's peculiar... You can have filenames longer than 14 characters, but only
-on some of the filesystems. Maybe you are using NFS. Anyway, to avoid problems
-I shall consider your system cannot support long filenames at all.
-EOM
- val="$undef"
- else
- echo 'You can have filenames longer than 14 characters.' >&4
- val="$define"
- fi
- else
- $cat <<'EOM'
-How confusing! Some of your filesystems are sane enough to allow filenames
-longer than 14 characters but some others like /tmp can't even think about them.
-So, for now on, I shall assume your kernel does not allow them at all.
-EOM
- val="$undef"
- fi
+ val="$define"
fi
-else
- $cat <<'EOM'
-You can't have filenames longer than 14 chars. You can't even think about them!
-EOM
- val="$undef"
-fi
-set d_flexfnam
+fi
+set d_crypt
eval $setvar
-$rm -rf /tmp/cf$$ 123456789abcde*
-
-: see if flock exists
-set flock d_flock
-eval $inlibc
-
-: see if fork exists
-set fork d_fork
-eval $inlibc
-
-: see if pathconf exists
-set pathconf d_pathconf
-eval $inlibc
-
-: see if fpathconf exists
-set fpathconf d_fpathconf
-eval $inlibc
-
-: see if fsetpos exists
-set fsetpos d_fsetpos
-eval $inlibc
-: see if gethostent exists
-set gethostent d_gethent
-eval $inlibc
-
-: see if getlogin exists
-set getlogin d_getlogin
-eval $inlibc
-
-: see if getpgrp exists
-set getpgrp d_getpgrp
-eval $inlibc
-
-: see if getpgrp2 exists
-set getpgrp2 d_getpgrp2
-eval $inlibc
+: get csh whereabouts
+case "$csh" in
+'csh') val="$undef" ;;
+*) val="$define" ;;
+esac
+set d_csh
+eval $setvar
+full_csh=$csh
-: see if getppid exists
-set getppid d_getppid
+: see if cuserid exists
+set cuserid d_cuserid
eval $inlibc
-: see if getpriority exists
-set getpriority d_getprior
-eval $inlibc
+: define an alternate in-header-list? function
+inhdr='echo " "; td=$define; tu=$undef; yyy=$@;
+cont=true; xxf="echo \"<\$1> found.\" >&4";
+case $# in 2) xxnf="echo \"<\$1> NOT found.\" >&4";;
+*) xxnf="echo \"<\$1> NOT found, ...\" >&4";;
+esac;
+case $# in 4) instead=instead;; *) instead="at last";; esac;
+while $test "$cont"; do
+ xxx=`./findhdr $1`
+ var=$2; eval "was=\$$2";
+ if $test "$xxx" && $test -r "$xxx";
+ then eval $xxf;
+ eval "case \"\$$var\" in $undef) . ./whoa; esac"; eval "$var=\$td";
+ cont="";
+ else eval $xxnf;
+ eval "case \"\$$var\" in $define) . ./whoa; esac"; eval "$var=\$tu"; fi;
+ set $yyy; shift; shift; yyy=$@;
+ case $# in 0) cont="";;
+ 2) xxf="echo \"but I found <\$1> $instead.\" >&4";
+ xxnf="echo \"and I did not find <\$1> either.\" >&4";;
+ *) xxf="echo \"but I found <\$1\> instead.\" >&4";
+ xxnf="echo \"there is no <\$1>, ...\" >&4";;
+ esac;
+done;
+while $test "$yyy";
+do set $yyy; var=$2; eval "was=\$$2";
+ eval "case \"\$$var\" in $define) . ./whoa; esac"; eval "$var=\$tu";
+ set $yyy; shift; shift; yyy=$@;
+done'
-: see if this is a netinet/in.h or sys/in.h system
-set netinet/in.h i_niin sys/in.h i_sysin
+: see if this is a limits.h system
+set limits.h i_limits
eval $inhdr
-: see if htonl --and friends-- exists
-val=''
-set htonl val
-eval $inlibc
+: see if this is a float.h system
+set float.h i_float
+eval $inhdr
-: Maybe they are macros.
-case "$val" in
-$undef)
- $cat >htonl.c <<EOM
-#include <stdio.h>
-#include <sys/types.h>
-#$i_niin I_NETINET_IN
-#$i_sysin I_SYS_IN
-#ifdef I_NETINET_IN
-#include <netinet/in.h>
+: See if number of significant digits in a double precision number is known
+echo " "
+$cat >dbl_dig.c <<EOM
+#$i_limits I_LIMITS
+#$i_float I_FLOAT
+#ifdef I_LIMITS
+#include <limits.h>
#endif
-#ifdef I_SYS_IN
-#include <sys/in.h>
+#ifdef I_FLOAT
+#include <float.h>
#endif
-#ifdef htonl
-printf("Defined as a macro.");
+#ifdef DBL_DIG
+printf("Contains DBL_DIG");
#endif
EOM
- $cppstdin $cppflags $cppminus < htonl.c >htonl.E 2>/dev/null
- if $contains 'Defined as a macro' htonl.E >/dev/null 2>&1; then
- val="$define"
- echo "But it seems to be defined as a macro." >&4
- fi
- $rm -f htonl.?
- ;;
-esac
-set d_htonl
+$cppstdin $cppflags $cppminus < dbl_dig.c >dbl_dig.E 2>/dev/null
+if $contains 'DBL_DIG' dbl_dig.E >/dev/null 2>&1; then
+ echo "DBL_DIG found." >&4
+ val="$define"
+else
+ echo "DBL_DIG NOT found." >&4
+ val="$undef"
+fi
+$rm -f dbl_dig.?
+set d_dbl_dig
eval $setvar
-: see which of string.h or strings.h is needed
+: see if difftime exists
+set difftime d_difftime
+eval $inlibc
+
+: see if this is a dirent system
echo " "
-strings=`./findhdr string.h`
-if $test "$strings" && $test -r "$strings"; then
- echo "Using <string.h> instead of <strings.h>." >&4
+if xinc=`./findhdr dirent.h`; $test "$xinc"; then
val="$define"
+ echo "<dirent.h> found." >&4
else
val="$undef"
- strings=`./findhdr strings.h`
- if $test "$strings" && $test -r "$strings"; then
- echo "Using <strings.h> instead of <string.h>." >&4
+ if xinc=`./findhdr sys/dir.h`; $test "$xinc"; then
+ echo "<sys/dir.h> found." >&4
+ echo " "
else
- echo "No string header found -- You'll surely have problems." >&4
+ xinc=`./findhdr sys/ndir.h`
fi
+ echo "<dirent.h> NOT found." >&4
fi
-set i_string
+set i_dirent
eval $setvar
-case "$i_string" in
-"$undef") strings=`./findhdr strings.h`;;
-*) strings=`./findhdr string.h`;;
-esac
-: index or strchr
+: Look for type of directory structure.
echo " "
-if set index val -f; eval $csym; $val; then
- if set strchr val -f d_strchr; eval $csym; $val; then
- if $contains strchr "$strings" >/dev/null 2>&1 ; then
- val="$define"
- vali="$undef"
- echo "strchr() found." >&4
- else
- val="$undef"
- vali="$define"
- echo "index() found." >&4
- fi
- else
- val="$undef"
- vali="$define"
- echo "index() found." >&4
- fi
+$cppstdin $cppflags $cppminus < "$xinc" > try.c
+
+case "$direntrytype" in
+''|' ')
+ case "$i_dirent" in
+ $define) guess1='struct dirent' ;;
+ *) guess1='struct direct' ;;
+ esac
+ ;;
+*) guess1="$direntrytype"
+ ;;
+esac
+
+case "$guess1" in
+'struct dirent') guess2='struct direct' ;;
+*) guess2='struct dirent' ;;
+esac
+
+if $contains "$guess1" try.c >/dev/null 2>&1; then
+ direntrytype="$guess1"
+ echo "Your directory entries are $direntrytype." >&4
+elif $contains "$guess2" try.c >/dev/null 2>&1; then
+ direntrytype="$guess2"
+ echo "Your directory entries seem to be $direntrytype." >&4
else
- if set strchr val -f d_strchr; eval $csym; $val; then
- val="$define"
- vali="$undef"
- echo "strchr() found." >&4
- else
- echo "No index() or strchr() found!" >&4
- val="$undef"
- vali="$undef"
- fi
+ echo "I don't recognize your system's directory entries." >&4
+ rp="What type is used for directory entries on this system?"
+ dflt="$guess1"
+ . ./myread
+ direntrytype="$ans"
fi
-set d_strchr; eval $setvar
-val="$vali"
-set d_index; eval $setvar
+$rm -f try.c
-: Look for isascii
+
+: see if the directory entry stores field length
echo " "
-$cat >isascii.c <<'EOCP'
-#include <stdio.h>
-#include <ctype.h>
-main() {
- int c = 'A';
- if (isascii(c))
- exit(0);
- else
- exit(1);
-}
-EOCP
-if $cc $ccflags $ldflags -o isascii isascii.c $libs >/dev/null 2>&1 ; then
- echo "isascii() found." >&4
+$cppstdin $cppflags $cppminus < "$xinc" > try.c
+if $contains 'd_namlen' try.c >/dev/null 2>&1; then
+ echo "Good, your directory entry keeps length information in d_namlen." >&4
val="$define"
else
- echo "isascii() NOT found." >&4
+ echo "Your directory entry does not know about the d_namlen field." >&4
val="$undef"
fi
-set d_isascii
+set d_dirnamlen
eval $setvar
-$rm -f isascii*
+$rm -f try.c
-: see if killpg exists
-set killpg d_killpg
+: see if dlerror exists
+xxx_runnm="$runnm"
+runnm=false
+set dlerror d_dlerror
eval $inlibc
+runnm="$xxx_runnm"
-: see if link exists
-set link d_link
+: see if dld is available
+set dld.h i_dld
+eval $inhdr
+
+: see if dlopen exists
+xxx_runnm="$runnm"
+runnm=false
+set dlopen d_dlopen
eval $inlibc
+runnm="$xxx_runnm"
-: see if stdio is really std
+: determine which dynamic loading, if any, to compile in
echo " "
-xxx=`./findhdr stdio.h`
-if $contains 'char.*_ptr;' "$xxx" >/dev/null 2>&1 ; then
- if $contains '_cnt;' "$xxx" >/dev/null 2>&1 ; then
- echo "Your stdio is pretty std." >&4
- val="$define"
- else
- echo "Your stdio isn't very std." >&4
- val="$undef"
- fi
-else
- echo "Your stdio isn't very std." >&4
- val="$undef"
-fi
-set d_stdstdio
-eval $setvar
-
-: see if stdio is like that in linux
-case "$d_stdstdio" in
-"$undef")
- echo " "
- xxx=`./findhdr stdio.h`
- $cppstdin $cppflags $cppminus < "$xxx" > stdio.E
- if $contains 'char.*_IO_read_base' stdio.E >/dev/null 2>&1 && \
- $contains '_IO_read_ptr' stdio.E >/dev/null 2>&1 && \
- $contains '_IO_read_end' stdio.E >/dev/null 2>&1 ; then
- echo "Your stdio looks like linux." >&4
- val="$define"
- else
- echo "You don't have linux stdio, either." >&4
- val="$undef"
- fi
- $rm -f stdio.E
+dldir="ext/DynaLoader"
+case "$usedl" in
+$define|y|true)
+ dflt='y'
+ usedl="$define"
+ ;;
+$undef|n|false)
+ dflt='n'
+ usedl="$undef"
+ ;;
+*)
+ dflt='n'
+ case "$d_dlopen" in
+ $define) dflt='y' ;;
+ esac
+ case "$i_dld" in
+ $define) dflt='y' ;;
+ esac
+ : Does a dl_xxx.xs file exist for this operating system
+ $test -f ../$dldir/dl_${osname}.xs && dflt='y'
;;
-*) val="$undef" ;;
esac
+rp="Do you wish to use dynamic loading?"
+. ./myread
+usedl="$ans"
+case "$ans" in
+y*) usedl="$define"
+ case "$dlsrc" in
+ '')
+ if $test -f ../$dldir/dl_${osname}.xs ; then
+ dflt="$dldir/dl_${osname}.xs"
+ elif $test "$d_dlopen" = "$define" ; then
+ dflt="$dldir/dl_dlopen.xs"
+ elif $test "$i_dld" = "$define" ; then
+ dflt="$dldir/dl_dld.xs"
+ else
+ dflt=''
+ fi
+ ;;
+ *) dflt="$dldir/$dlsrc"
+ ;;
+ esac
+ echo "The following dynamic loading files are available:"
+ : Can not go over to $dldir because getfile has path hard-coded in.
+ cd ..; ls -C $dldir/dl*.xs; cd UU
+ rp="Source file to use for dynamic loading"
+ fn="fne"
+ . ./getfile
+ usedl="$define"
+ : emulate basename
+ dlsrc=`echo $ans | $sed -e 's@.*/\([^/]*\)$@\1@'`
-set d_linuxstd
-eval $setvar
+ $cat << EOM
-: see if localeconv exists
-set localeconv d_locconv
-eval $inlibc
+Some systems may require passing special flags to $cc -c to
+compile modules that will be used to create a shared library.
+To use no flags, say "none".
-: see if lockf exists
-set lockf d_lockf
-eval $inlibc
+EOM
+ case "$cccdlflags" in
+ '') case "$gccversion" in
+ '') case "$osname" in
+ hpux) dflt='+z' ;;
+ next) dflt='none' ;;
+ solaris|svr4*|esix*) dflt='-Kpic' ;;
+ sunos) dflt='-pic' ;;
+ *) dflt='none' ;;
+ esac ;;
+ *) dflt='-fpic' ;;
+ esac ;;
+ *) dflt="$cccdlflags" ;;
+ esac
+ rp="Any special flags to pass to $cc -c to compile shared library modules?"
+ . ./myread
+ case "$ans" in
+ none) cccdlflags=' ' ;;
+ *) cccdlflags="$ans" ;;
+ esac
-: see if lstat exists
-set lstat d_lstat
-eval $inlibc
+ cat << EOM
-: see if mblen exists
-set mblen d_mblen
-eval $inlibc
+Some systems use ld to create libraries that can be dynamically loaded,
+while other systems (such as those using ELF) use $cc.
-: see if mbstowcs exists
-set mbstowcs d_mbstowcs
-eval $inlibc
+EOM
+ case "$ld" in
+ '') $cat >try.c <<'EOM'
+/* Test for whether ELF binaries are produced */
+#include <fcntl.h>
+#include <stdlib.h>
+main() {
+ char b[4];
+ int i = open("a.out",O_RDONLY);
+ if(i == -1)
+ exit(1); /* fail */
+ if(read(i,b,4)==4 && b[0]==127 && b[1]=='E' && b[2]=='L' && b[3]=='F')
+ exit(0); /* succeed (yes, it's ELF) */
+ else
+ exit(1); /* fail */
+}
+EOM
+ if $cc $ccflags try.c >/dev/null 2>&1 && ./a.out; then
+ cat <<EOM
+You appear to have ELF support. I'll use $cc to build dynamic libraries.
+EOM
+ dflt="$cc"
+ else
+ echo "I'll use ld to build dynamic libraries."
+ dflt='ld'
+ fi
+ rm -f try.c a.out
+ ;;
+ *) dflt="$ld"
+ ;;
+ esac
-: see if mbtowc exists
-set mbtowc d_mbtowc
-eval $inlibc
+ rp="What command should be used to create dynamic libraries?"
+ . ./myread
+ ld="$ans"
+
+ cat << EOM
-: see if memcmp exists
-set memcmp d_memcmp
-eval $inlibc
+Some systems may require passing special flags to $ld to create a
+library that can be dynamically loaded. If your ld flags include
+-L/other/path options to locate libraries outside your loader's normal
+search path, you may need to specify those -L options here as well. To
+use no flags, say "none".
-: see if memcpy exists
-set memcpy d_memcpy
-eval $inlibc
+EOM
+ case "$lddlflags" in
+ '') case "$osname" in
+ hpux) dflt='-b' ;;
+ linux) dflt='-shared' ;;
+ next) dflt='none' ;;
+ solaris) dflt='-G' ;;
+ sunos) dflt='-assert nodefinitions' ;;
+ svr4*|esix*) dflt="-G $ldflags" ;;
+ *) dflt='none' ;;
+ esac
+ ;;
+ *) dflt="$lddlflags" ;;
+ esac
-: see if memmove exists
-set memmove d_memmove
-eval $inlibc
+: Try to guess additional flags to pick up local libraries.
+for thisflag in $ldflags; do
+ case "$thisflag" in
+ -L*)
+ case " $dflt " in
+ *" $thisflag "*) ;;
+ *) dflt="$dflt $thisflag" ;;
+ esac
+ ;;
+ esac
+done
-: see if memset exists
-set memset d_memset
-eval $inlibc
+case "$dflt" in
+'') dflt='none' ;;
+esac
-: see if mkdir exists
-set mkdir d_mkdir
-eval $inlibc
+ rp="Any special flags to pass to $ld to create a dynamically loaded library?"
+ . ./myread
+ case "$ans" in
+ none) lddlflags=' ' ;;
+ *) lddlflags="$ans" ;;
+ esac
-: see if mkfifo exists
-set mkfifo d_mkfifo
-eval $inlibc
+ cat <<EOM
-: see if mktime exists
-set mktime d_mktime
-eval $inlibc
+Some systems may require passing special flags to $cc to indicate that
+the resulting executable will use dynamic linking. To use no flags,
+say "none".
-: see if msgctl exists
-set msgctl d_msgctl
-eval $inlibc
+EOM
+ case "$ccdlflags" in
+ '') case "$osname" in
+ hpux) dflt='-Wl,-E' ;;
+ linux) dflt='-rdynamic' ;;
+ next) dflt='none' ;;
+ sunos) dflt='none' ;;
+ *) dflt='none' ;;
+ esac ;;
+ *) dflt="$ccdlflags" ;;
+ esac
+ rp="Any special flags to pass to $cc to use dynamic loading?"
+ . ./myread
+ case "$ans" in
+ none) ccdlflags=' ' ;;
+ *) ccdlflags="$ans" ;;
+ esac
+ ;;
+*) usedl="$undef"
+ ld='ld'
+ dlsrc='dl_none.xs'
+ lddlflags=''
+ ccdlflags=''
+ ;;
+esac
-: see if msgget exists
-set msgget d_msgget
-eval $inlibc
+val="$undef"
+case "$osname" in
+esix*|svr4*)
+ case "$usedl" in
+ $define)
+ $cat <<EOM
-: see if msgsnd exists
-set msgsnd d_msgsnd
-eval $inlibc
+System V Release 4 systems can support dynamic loading
+only if libperl is created as a shared library.
-: see if msgrcv exists
-set msgrcv d_msgrcv
-eval $inlibc
+EOM
+ val="$define"
+ ;;
+ esac ;;
+esac
+set d_shrplib; eval $setvar
+case "$d_shrplib" in
+$define)
+ cat <<EOM >&4
-: see how much of the 'msg*(2)' library is present.
-h_msg=true
-echo " "
-case "$d_msgctl$d_msgget$d_msgsnd$d_msgrcv" in
-*"$undef"*) h_msg=false;;
+Be sure to add the perl source directory to the LD_LIBRARY_PATH
+environment variable before running make:
+ LD_LIBRARY_PATH=`cd ..;pwd`; export LD_LIBRARY_PATH
+or
+ setenv LD_LIBRARY_PATH `cd ..;pwd`
+
+EOM
+;;
+esac
+case "$d_shrplib" in
+$define)
+ case "$shrpdir" in
+ "") dflt="$archlib/CORE";;
+ *) dflt="$shrpdir";;
+ esac
+ rp="What directory should we install the shared libperl into?"
+ fn="d~"
+ . ./getfile
+ shrpdir="$ans"
+ ;;
+*) shrpdir='none'
+ ;;
esac
-: we could also check for sys/ipc.h ...
-if $h_msg && $test `./findhdr sys/msg.h`; then
- echo "You have the full msg*(2) library." >&4
- val="$define"
-else
- echo "You don't have the full msg*(2) library." >&4
- val="$undef"
-fi
-set d_msg
-eval $setvar
-: see if this is a malloc.h system
-set malloc.h i_malloc
+: see if dlfcn is available
+set dlfcn.h i_dlfcn
eval $inhdr
-: see if stdlib is available
-set stdlib.h i_stdlib
-eval $inhdr
+case "$usedl" in
+$define|y|true)
+ $cat << EOM
-: determine which malloc to compile in
-echo " "
-case "$usemymalloc" in
-''|y*|true) dflt='y' ;;
-n*|false) dflt='n' ;;
-*) dflt="$usemymalloc" ;;
-esac
-rp="Do you wish to attempt to use the malloc that comes with $package?"
-. ./myread
-usemymalloc="$ans"
-case "$ans" in
-y*|true)
- usemymalloc='y'
- mallocsrc='malloc.c'
- mallocobj='malloc.o'
- d_mymalloc="$define"
- case "$libs" in
- *-lmalloc*)
- : Remove malloc from list of libraries to use
- echo "Removing unneeded -lmalloc from library list" >&4
- set `echo X $libs | $sed -e 's/-lmalloc / /' -e 's/-lmalloc$//'`
- shift
- libs="$*"
- echo "libs = $libs" >&4
- ;;
+On a few systems, the dynamically loaded modules that perl generates and uses
+will need a different extension then shared libs. The default will probably
+be appropriate.
+
+EOM
+ case "$dlext" in
+ '') dflt="$so" ;;
+ *) dflt="$dlext" ;;
esac
+ rp='What is the extension of dynamically loaded modules'
+ . ./myread
+ dlext="$ans"
;;
*)
- usemymalloc='n'
- mallocsrc=''
- mallocobj=''
- d_mymalloc="$undef"
+ dlext="none"
;;
esac
-: compute the return types of malloc and free
+: Check if dlsym need a leading underscore
echo " "
-$cat >malloc.c <<END
-#$i_malloc I_MALLOC
-#$i_stdlib I_STDLIB
+val="$undef"
+
+case "$dlsrc" in
+dl_dlopen.xs)
+ echo "Checking whether your dlsym() needs a leading underscore ..." >&4
+ $cat >dyna.c <<'EOM'
+fred () { }
+EOM
+
+$cat >fred.c<<EOM
+
#include <stdio.h>
+#$i_dlfcn I_DLFCN
+#ifdef I_DLFCN
+#include <dlfcn.h> /* the dynamic linker include file for Sunos/Solaris */
+#else
#include <sys/types.h>
-#ifdef I_MALLOC
-#include <malloc.h>
-#endif
-#ifdef I_STDLIB
-#include <stdlib.h>
-#endif
-#ifdef TRY_MALLOC
-void *malloc();
+#include <nlist.h>
+#include <link.h>
#endif
-#ifdef TRY_FREE
-void free();
+
+extern int fred() ;
+
+main()
+{
+ void * handle ;
+ void * symbol ;
+#ifndef RTLD_LAZY
+ int mode = 1 ;
+#else
+ int mode = RTLD_LAZY ;
#endif
-END
-case "$malloctype" in
-'')
- if $cc $ccflags -c -DTRY_MALLOC malloc.c >/dev/null 2>&1; then
- malloctype='void *'
+ handle = dlopen("./dyna.$dlext", mode) ;
+ if (handle == NULL) {
+ printf ("1\n") ;
+ exit(0);
+ }
+ symbol = dlsym(handle, "fred") ;
+ if (symbol == NULL) {
+ /* try putting a leading underscore */
+ symbol = dlsym(handle, "_fred") ;
+ if (symbol == NULL) {
+ printf ("2\n") ;
+ exit(0);
+ }
+ printf ("3\n") ;
+ }
+ else
+ printf ("4\n") ;
+ exit(0);
+}
+EOM
+ if $cc $ccflags $cccdlflags -c dyna.c > /dev/null 2>&1 &&
+ $ld $lddlflags -o dyna.$dlext dyna.o > /dev/null 2>&1 &&
+ $cc $ccflags $ldflags $cccdlflags $ccdlflags fred.c -o fred $libs > /dev/null 2>&1; then
+ xxx=`./fred`
+ case $xxx in
+ 1) echo "Test program failed using dlopen." >&4
+ echo "Perhaps you should not use dynamic loading." >&4;;
+ 2) echo "Test program failed using dlsym." >&4
+ echo "Perhaps you should not use dynamic loading." >&4;;
+ 3) echo "dlsym needs a leading underscore" >&4
+ val="$define" ;;
+ 4) echo "dlsym doesn't need a leading underscore." >&4;;
+ esac
else
- malloctype='char *'
+ echo "I can't compile and run the test program." >&4
fi
;;
esac
-echo "Your system wants malloc to return '$malloctype', it would seem." >&4
+
+$rm -f fred fred.? dyna.$dlext dyna.?
-case "$freetype" in
-'')
- if $cc $ccflags -c -DTRY_FREE malloc.c >/dev/null 2>&1; then
- freetype='void'
- else
- freetype='int'
- fi
- ;;
-esac
-echo "Your system uses $freetype free(), it would seem." >&4
-$rm -f malloc.[co]
-: see if nice exists
-set nice d_nice
+set d_dlsymun
+eval $setvar
+
+: see if dup2 exists
+set dup2 d_dup2
eval $inlibc
: Locate the flags for 'open()'
eval $setvar
$rm -f open3*
-: see if pause exists
-set pause d_pause
-eval $inlibc
-
-: see if pipe exists
-set pipe d_pipe
-eval $inlibc
-
-: see if this is a pwd system
+: check for non-blocking I/O stuff
+case "$h_sysfile" in
+true) echo "#include <sys/file.h>" > head.c;;
+*)
+ case "$h_fcntl" in
+ true) echo "#include <fcntl.h>" > head.c;;
+ *) echo "#include <sys/fcntl.h>" > head.c;;
+ esac
+ ;;
+esac
echo " "
-xxx=`./findhdr pwd.h`
-if $test "$xxx"; then
- i_pwd="$define"
- echo "<pwd.h> found." >&4
- $cppstdin $cppflags $cppminus < $xxx >$$.h
- if $contains 'pw_quota' $$.h >/dev/null 2>&1; then
- d_pwquota="$define"
- else
- d_pwquota="$undef"
- fi
- if $contains 'pw_age' $$.h >/dev/null 2>&1; then
- d_pwage="$define"
- else
- d_pwage="$undef"
- fi
- if $contains 'pw_change' $$.h >/dev/null 2>&1; then
- d_pwchange="$define"
- else
- d_pwchange="$undef"
- fi
- if $contains 'pw_class' $$.h >/dev/null 2>&1; then
- d_pwclass="$define"
- else
- d_pwclass="$undef"
- fi
- if $contains 'pw_expire' $$.h >/dev/null 2>&1; then
- d_pwexpire="$define"
- else
- d_pwexpire="$undef"
- fi
- if $contains 'pw_comment' $$.h >/dev/null 2>&1; then
- d_pwcomment="$define"
- else
- d_pwcomment="$undef"
- fi
- $rm -f $$.h
-else
- i_pwd="$undef"
- d_pwquota="$undef"
- d_pwage="$undef"
- d_pwchange="$undef"
- d_pwclass="$undef"
- d_pwexpire="$undef"
- d_pwcomment="$undef"
- echo "<pwd.h> NOT found." >&4
-fi
-
-: see if readdir and friends exist
-set readdir d_readdir
-eval $inlibc
-set seekdir d_seekdir
-eval $inlibc
-set telldir d_telldir
-eval $inlibc
-set rewinddir d_rewinddir
-eval $inlibc
-
-: see if readlink exists
-set readlink d_readlink
-eval $inlibc
-
-: see if rename exists
-set rename d_rename
-eval $inlibc
-
-: see if rmdir exists
-set rmdir d_rmdir
-eval $inlibc
-
-: can bcopy handle overlapping blocks?
-val="$undef"
-case "$d_bcopy" in
-"$define")
- echo " "
- echo "Checking to see if your bcopy() can do overlapping copies..." >&4
- $cat >foo.c <<'EOCP'
-main()
-{
-char buf[128], abc[128];
-char *b;
-int len;
-int off;
-int align;
-
-bcopy("abcdefghijklmnopqrstuvwxyz0123456789", abc, 36);
-
-for (align = 7; align >= 0; align--) {
- for (len = 36; len; len--) {
- b = buf+align;
- bcopy(abc, b, len);
- for (off = 1; off <= len; off++) {
- bcopy(b, b+off, len);
- bcopy(b+off, b, len);
- if (bcmp(b, abc, len))
- exit(1);
- }
- }
-}
-exit(0);
+echo "Figuring out the flag used by open() for non-blocking I/O..." >&4
+case "$o_nonblock" in
+'')
+ $cat head.c > try.c
+ $cat >>try.c <<'EOCP'
+main() {
+#ifdef O_NONBLOCK
+ printf("O_NONBLOCK\n");
+ exit(0);
+#endif
+#ifdef O_NDELAY
+ printf("O_NDELAY\n");
+ exit(0);
+#endif
+#ifdef FNDELAY
+ printf("FNDELAY\n");
+ exit(0);
+#endif
+ exit(0);
}
EOCP
- if $cc foo.c -o safebcpy $ccflags $ldflags $libs >/dev/null 2>&1 ; then
- if ./safebcpy 2>/dev/null; then
- echo "Yes, it can."
- val="$define"
- else
- echo "It can't, sorry."
- fi
+ if $cc $ccflags $ldflags try.c -o try >/dev/null 2>&1; then
+ o_nonblock=`./try`
+ case "$o_nonblock" in
+ '') echo "I can't figure it out, assuming O_NONBLOCK will do.";;
+ *) echo "Seems like we can use $o_nonblock.";;
+ esac
else
- echo "(I can't compile the test program, so we'll assume not...)"
+ echo "(I can't compile the test program; pray O_NONBLOCK is right!)"
fi
;;
+*) echo "Using $hint value $o_nonblock.";;
esac
-$rm -f foo.* safebcpy core
-set d_safebcpy
-eval $setvar
+$rm -f try try.* .out core
-: can memcpy handle overlapping blocks?
-val="$undef"
-case "$d_memcpy" in
-"$define")
- echo " "
- echo "Checking to see if your memcpy() can do overlapping copies..." >&4
- $cat >foo.c <<'EOCP'
+echo " "
+echo "Let's see what value errno gets from read() on a $o_nonblock file..." >&4
+case "$eagain" in
+'')
+ $cat head.c > try.c
+ $cat >>try.c <<EOCP
+#include <errno.h>
+#include <sys/types.h>
+#include <signal.h>
+#define MY_O_NONBLOCK $o_nonblock
+extern int errno;
+$signal_t blech(x) int x; { exit(3); }
+EOCP
+ $cat >> try.c <<'EOCP'
main()
{
-char buf[128], abc[128];
-char *b;
-int len;
-int off;
-int align;
-
-memcpy(abc, "abcdefghijklmnopqrstuvwxyz0123456789", 36);
-
-for (align = 7; align >= 0; align--) {
- for (len = 36; len; len--) {
- b = buf+align;
- memcpy(b, abc, len);
- for (off = 1; off <= len; off++) {
- memcpy(b+off, b, len);
- memcpy(b, b+off, len);
- if (memcmp(b, abc, len))
- exit(1);
+ int pd[2];
+ int pu[2];
+ char buf[1];
+ char string[100];
+
+ pipe(pd); /* Down: child -> parent */
+ pipe(pu); /* Up: parent -> child */
+ if (0 != fork()) {
+ int ret;
+ close(pd[1]); /* Parent reads from pd[0] */
+ close(pu[0]); /* Parent writes (blocking) to pu[1] */
+ if (-1 == fcntl(pd[0], F_SETFL, MY_O_NONBLOCK))
+ exit(1);
+ signal(SIGALRM, blech);
+ alarm(5);
+ if ((ret = read(pd[0], buf, 1)) > 0) /* Nothing to read! */
+ exit(2);
+ sprintf(string, "%d\n", ret);
+ write(2, string, strlen(string));
+ alarm(0);
+#ifdef EAGAIN
+ if (errno == EAGAIN) {
+ printf("EAGAIN\n");
+ goto ok;
}
+#endif
+#ifdef EWOULDBLOCK
+ if (errno == EWOULDBLOCK)
+ printf("EWOULDBLOCK\n");
+#endif
+ ok:
+ write(pu[1], buf, 1); /* Unblocks child, tell it to close our pipe */
+ sleep(2); /* Give it time to close our pipe */
+ alarm(5);
+ ret = read(pd[0], buf, 1); /* Should read EOF */
+ alarm(0);
+ sprintf(string, "%d\n", ret);
+ write(3, string, strlen(string));
+ exit(0);
}
-}
-exit(0);
+
+ close(pd[0]); /* We write to pd[1] */
+ close(pu[1]); /* We read from pu[0] */
+ read(pu[0], buf, 1); /* Wait for parent to signal us we may continue */
+ close(pd[1]); /* Pipe pd is now fully closed! */
+ exit(0); /* Bye bye, thank you for playing! */
}
EOCP
- if $cc foo.c -o safemcpy $ccflags $ldflags $libs >/dev/null 2>&1 ; then
- if ./safemcpy 2>/dev/null; then
- echo "Yes, it can."
- val="$define"
- else
- echo "It can't, sorry."
+ if $cc $ccflags $ldflags try.c -o try >/dev/null 2>&1; then
+ echo "$startsh" >mtry
+ echo "./try >try.out 2>try.ret 3>try.err || exit 4" >>mtry
+ chmod +x mtry
+ ./mtry >/dev/null 2>&1
+ case $? in
+ 0) eagain=`$cat try.out`;;
+ 1) echo "Could not perform non-blocking setting!";;
+ 2) echo "I did a successful read() for something that was not there!";;
+ 3) echo "Hmm... non-blocking I/O does not seem to be working!";;
+ *) echo "Something terribly wrong happened during testing.";;
+ esac
+ rd_nodata=`$cat try.ret`
+ echo "A read() system call with no data present returns $rd_nodata."
+ case "$rd_nodata" in
+ 0|-1) ;;
+ *)
+ echo "(That's peculiar, fixing that to be -1.)"
+ rd_nodata=-1
+ ;;
+ esac
+ case "$eagain" in
+ '')
+ echo "Forcing errno EAGAIN on read() with no data available."
+ eagain=EAGAIN
+ ;;
+ *)
+ echo "Your read() sets errno to $eagain when no data is available."
+ ;;
+ esac
+ status=`$cat try.err`
+ case "$status" in
+ 0) echo "And it correctly returns 0 to signal EOF.";;
+ -1) echo "But it also returns -1 to signal EOF, so be careful!";;
+ *) echo "However, your read() returns '$status' on EOF??";;
+ esac
+ val="$define"
+ if test "$status" -eq "$rd_nodata"; then
+ echo "WARNING: you can't distinguish between EOF and no data!"
+ val="$undef"
fi
else
- echo "(I can't compile the test program, so we'll assume not...)"
+ echo "I can't compile the test program--assuming errno EAGAIN will do."
+ eagain=EAGAIN
fi
+ set d_eofnblk
+ eval $setvar
+ ;;
+*)
+ echo "Using $hint value $eagain."
+ echo "Your read() returns $rd_nodata when no data is present."
+ case "$d_eofnblk" in
+ "$define") echo "And you can see EOF because read() returns 0.";;
+ "$undef") echo "But you can't see EOF status from read() returned value.";;
+ *)
+ echo "(Assuming you can't see EOF status from read anyway.)"
+ d_eofnblk=$undef
+ ;;
+ esac
;;
esac
-$rm -f foo.* safemcpy core
-set d_safemcpy
-eval $setvar
-
-: see if select exists
-set select d_select
-eval $inlibc
-
-: see if semctl exists
-set semctl d_semctl
-eval $inlibc
-
-: see if semget exists
-set semget d_semget
-eval $inlibc
-
-: see if semop exists
-set semop d_semop
-eval $inlibc
-
-: see how much of the 'sem*(2)' library is present.
-h_sem=true
-echo " "
-case "$d_semctl$d_semget$d_semop" in
-*"$undef"*) h_sem=false;;
-esac
-: we could also check for sys/ipc.h ...
-if $h_sem && $test `./findhdr sys/sem.h`; then
- echo "You have the full sem*(2) library." >&4
- val="$define"
-else
- echo "You don't have the full sem*(2) library." >&4
- val="$undef"
-fi
-set d_sem
-eval $setvar
-
-: see if setegid exists
-set setegid d_setegid
-eval $inlibc
+$rm -f try try.* .out core head.c mtry
-: see if seteuid exists
-set seteuid d_seteuid
+: see if fchmod exists
+set fchmod d_fchmod
eval $inlibc
-: see if setlinebuf exists
-set setlinebuf d_setlinebuf
+: see if fchown exists
+set fchown d_fchown
eval $inlibc
-: see if setlocale exists
-set setlocale d_setlocale
+: see if this is an fcntl system
+set fcntl d_fcntl
eval $inlibc
-: see if setpgid exists
-set setpgid d_setpgid
+: see if fgetpos exists
+set fgetpos d_fgetpos
eval $inlibc
-: see if setpgrp2 exists
-set setpgrp2 d_setpgrp2
+: see if flock exists
+set flock d_flock
eval $inlibc
-: see if setpriority exists
-set setpriority d_setprior
+: see if fork exists
+set fork d_fork
eval $inlibc
-: see if setregid exists
-set setregid d_setregid
+: see if pathconf exists
+set pathconf d_pathconf
eval $inlibc
-set setresgid d_setresgid
+
+: see if fpathconf exists
+set fpathconf d_fpathconf
eval $inlibc
-: see if setreuid exists
-set setreuid d_setreuid
+: see if fsetpos exists
+set fsetpos d_fsetpos
eval $inlibc
-set setresuid d_setresuid
+
+: see if gethostent exists
+set gethostent d_gethent
eval $inlibc
-: see if setrgid exists
-set setrgid d_setrgid
+: see if getlogin exists
+set getlogin d_getlogin
eval $inlibc
-: see if setruid exists
-set setruid d_setruid
+: see if getpgrp exists
+set getpgrp d_getpgrp
eval $inlibc
-: see if setsid exists
-set setsid d_setsid
+: see if getpgrp2 exists
+set getpgrp2 d_getpgrp2
eval $inlibc
-: see if shmctl exists
-set shmctl d_shmctl
+: see if getppid exists
+set getppid d_getppid
eval $inlibc
-: see if shmget exists
-set shmget d_shmget
+: see if getpriority exists
+set getpriority d_getprior
eval $inlibc
-: see if shmat exists
-set shmat d_shmat
+: see if this is a netinet/in.h or sys/in.h system
+set netinet/in.h i_niin sys/in.h i_sysin
+eval $inhdr
+
+: see if htonl --and friends-- exists
+val=''
+set htonl val
eval $inlibc
-: see what shmat returns
-case "$d_shmat" in
-"$define")
- $cat >shmat.c <<'END'
-#include <sys/shm.h>
-void *shmat();
-END
- if $cc $ccflags -c shmat.c >/dev/null 2>&1; then
- shmattype='void *'
- else
- shmattype='char *'
- fi
- echo "and it returns ($shmattype)." >&4
- : see if a prototype for shmat is available
- $cppstdin $cppflags $cppminus < $usrinc/sys/shm.h > shmat.c 2>/dev/null
- if $contains 'shmat.*(' shmat.c >/dev/null 2>&1; then
+
+: Maybe they are macros.
+case "$val" in
+$undef)
+ $cat >htonl.c <<EOM
+#include <stdio.h>
+#include <sys/types.h>
+#$i_niin I_NETINET_IN
+#$i_sysin I_SYS_IN
+#ifdef I_NETINET_IN
+#include <netinet/in.h>
+#endif
+#ifdef I_SYS_IN
+#include <sys/in.h>
+#endif
+#ifdef htonl
+printf("Defined as a macro.");
+#endif
+EOM
+ $cppstdin $cppflags $cppminus < htonl.c >htonl.E 2>/dev/null
+ if $contains 'Defined as a macro' htonl.E >/dev/null 2>&1; then
val="$define"
- else
- val="$undef"
+ echo "But it seems to be defined as a macro." >&4
fi
- $rm -f shmat.[co]
- ;;
-*)
- val="$undef"
+ $rm -f htonl.?
;;
esac
-set d_shmatprototype
+set d_htonl
eval $setvar
-: see if shmdt exists
-set shmdt d_shmdt
-eval $inlibc
-
-: see how much of the 'shm*(2)' library is present.
-h_shm=true
+: see which of string.h or strings.h is needed
echo " "
-case "$d_shmctl$d_shmget$d_shmat$d_shmdt" in
-*"$undef"*) h_shm=false;;
-esac
-: we could also check for sys/ipc.h ...
-if $h_shm && $test `./findhdr sys/shm.h`; then
- echo "You have the full shm*(2) library." >&4
+strings=`./findhdr string.h`
+if $test "$strings" && $test -r "$strings"; then
+ echo "Using <string.h> instead of <strings.h>." >&4
val="$define"
else
- echo "You don't have the full shm*(2) library." >&4
val="$undef"
+ strings=`./findhdr strings.h`
+ if $test "$strings" && $test -r "$strings"; then
+ echo "Using <strings.h> instead of <string.h>." >&4
+ else
+ echo "No string header found -- You'll surely have problems." >&4
+ fi
fi
-set d_shm
+set i_string
eval $setvar
+case "$i_string" in
+"$undef") strings=`./findhdr strings.h`;;
+*) strings=`./findhdr string.h`;;
+esac
-socketlib=''
-sockethdr=''
-: see whether socket exists
+: index or strchr
echo " "
-$echo $n "Hmm... $c" >&4
-if set socket val -f d_socket; eval $csym; $val; then
- echo "Looks like you have Berkeley networking support." >&4
- d_socket="$define"
- if set setsockopt val -f; eval $csym; $val; then
- d_oldsock="$undef"
+if set index val -f; eval $csym; $val; then
+ if set strchr val -f d_strchr; eval $csym; $val; then
+ if $contains strchr "$strings" >/dev/null 2>&1 ; then
+ val="$define"
+ vali="$undef"
+ echo "strchr() found." >&4
+ else
+ val="$undef"
+ vali="$define"
+ echo "index() found." >&4
+ fi
else
- echo "...but it uses the old 4.1c interface, rather than 4.2" >&4
- d_oldsock="$define"
+ val="$undef"
+ vali="$define"
+ echo "index() found." >&4
fi
else
- if $contains socklib libc.list >/dev/null 2>&1; then
- echo "Looks like you have Berkeley networking support." >&4
- d_socket="$define"
- : we will have to assume that it supports the 4.2 BSD interface
- d_oldsock="$undef"
+ if set strchr val -f d_strchr; eval $csym; $val; then
+ val="$define"
+ vali="$undef"
+ echo "strchr() found." >&4
else
- echo "You don't have Berkeley networking in libc.a..." >&4
- if test -f /usr/lib/libnet.a; then
- ( (nm $nm_opt /usr/lib/libnet.a | eval $nm_extract) || \
- ar t /usr/lib/libnet.a) 2>/dev/null >> libc.list
- if $contains socket libc.list >/dev/null 2>&1; then
- echo "...but the Wollongong group seems to have hacked it in." >&4
- socketlib="-lnet"
- sockethdr="-I/usr/netinclude"
- d_socket="$define"
- if $contains setsockopt libc.list >/dev/null 2>&1; then
- d_oldsock="$undef"
- else
- echo "...using the old 4.1c interface, rather than 4.2" >&4
- d_oldsock="$define"
- fi
- else
- echo "or even in libnet.a, which is peculiar." >&4
- d_socket="$undef"
- d_oldsock="$undef"
- fi
- else
- echo "or anywhere else I see." >&4
- d_socket="$undef"
- d_oldsock="$undef"
- fi
+ echo "No index() or strchr() found!" >&4
+ val="$undef"
+ vali="$undef"
fi
fi
+set d_strchr; eval $setvar
+val="$vali"
+set d_index; eval $setvar
-: see if socketpair exists
-set socketpair d_sockpair
-eval $inlibc
-
-: see if stat knows about block sizes
+: Look for isascii
echo " "
-xxx=`./findhdr sys/stat.h`
-if $contains 'st_blocks;' "$xxx" >/dev/null 2>&1 ; then
- if $contains 'st_blksize;' "$xxx" >/dev/null 2>&1 ; then
- echo "Your stat() knows about block sizes." >&4
- val="$define"
+$cat >isascii.c <<'EOCP'
+#include <stdio.h>
+#include <ctype.h>
+main() {
+ int c = 'A';
+ if (isascii(c))
+ exit(0);
else
- echo "Your stat() doesn't know about block sizes." >&4
- val="$undef"
- fi
+ exit(1);
+}
+EOCP
+if $cc $ccflags $ldflags -o isascii isascii.c $libs >/dev/null 2>&1 ; then
+ echo "isascii() found." >&4
+ val="$define"
else
- echo "Your stat() doesn't know about block sizes." >&4
+ echo "isascii() NOT found." >&4
val="$undef"
fi
-set d_statblks
+set d_isascii
eval $setvar
+$rm -f isascii*
+
+: see if killpg exists
+set killpg d_killpg
+eval $inlibc
+
+: see if link exists
+set link d_link
+eval $inlibc
+
+: see if localeconv exists
+set localeconv d_locconv
+eval $inlibc
+
+: see if lockf exists
+set lockf d_lockf
+eval $inlibc
+
+: see if lstat exists
+set lstat d_lstat
+eval $inlibc
-: see if strcoll exists
-set strcoll d_strcoll
+: see if mblen exists
+set mblen d_mblen
eval $inlibc
-: check for structure copying
-echo " "
-echo "Checking to see if your C compiler can copy structs..." >&4
-$cat >try.c <<'EOCP'
-main()
-{
- struct blurfl {
- int dyick;
- } foo, bar;
+: see if mbstowcs exists
+set mbstowcs d_mbstowcs
+eval $inlibc
- foo = bar;
-}
-EOCP
-if $cc -c try.c >/dev/null 2>&1 ; then
- val="$define"
- echo "Yup, it can."
-else
- val="$undef"
- echo "Nope, it can't."
-fi
-set d_strctcpy
-eval $setvar
-$rm -f try.*
+: see if mbtowc exists
+set mbtowc d_mbtowc
+eval $inlibc
-: see if strerror and/or sys_errlist[] exist
-echo " "
-if set strerror val -f d_strerror; eval $csym; $val; then
- echo 'strerror() found.' >&4
- d_strerror="$define"
- d_strerrm='strerror(e)'
- if set sys_errlist val -a d_syserrlst; eval $csym; $val; then
- echo "(You also have sys_errlist[], so we could roll our own strerror.)"
- d_syserrlst="$define"
- else
- echo "(Since you don't have sys_errlist[], sterror() is welcome.)"
- d_syserrlst="$undef"
- fi
-elif xxx=`./findhdr string.h`; test "$xxx" || xxx=`./findhdr strings.h`; \
- $contains '#[ ]*define.*strerror' "$xxx" >/dev/null 2>&1; then
- echo 'strerror() found in string header.' >&4
- d_strerror="$define"
- d_strerrm='strerror(e)'
- if set sys_errlist val -a d_syserrlst; eval $csym; $val; then
- echo "(Most probably, strerror() uses sys_errlist[] for descriptions.)"
- d_syserrlst="$define"
- else
- echo "(You don't appear to have any sys_errlist[], how can this be?)"
- d_syserrlst="$undef"
- fi
-elif set sys_errlist val -a d_syserrlst; eval $csym; $val; then
-echo "strerror() not found, but you have sys_errlist[] so we'll use that." >&4
- d_strerror="$undef"
- d_syserrlst="$define"
- d_strerrm='((e)<0||(e)>=sys_nerr?"unknown":sys_errlist[e])'
-else
- echo 'strerror() and sys_errlist[] NOT found.' >&4
- d_strerror="$undef"
- d_syserrlst="$undef"
- d_strerrm='"unknown"'
-fi
+: see if memcmp exists
+set memcmp d_memcmp
+eval $inlibc
-: see if strxfrm exists
-set strxfrm d_strxfrm
+: see if memcpy exists
+set memcpy d_memcpy
eval $inlibc
-: see if symlink exists
-set symlink d_symlink
+: see if memmove exists
+set memmove d_memmove
eval $inlibc
-: see if syscall exists
-set syscall d_syscall
+: see if memset exists
+set memset d_memset
eval $inlibc
-: see if sysconf exists
-set sysconf d_sysconf
+: see if mkdir exists
+set mkdir d_mkdir
eval $inlibc
-: see if system exists
-set system d_system
+: see if mkfifo exists
+set mkfifo d_mkfifo
eval $inlibc
-: see if tcgetpgrp exists
-set tcgetpgrp d_tcgetpgrp
+: see if mktime exists
+set mktime d_mktime
eval $inlibc
-: see if tcsetpgrp exists
-set tcsetpgrp d_tcsetpgrp
+: see if msgctl exists
+set msgctl d_msgctl
eval $inlibc
-: define an is-a-typedef? function
-typedef='type=$1; var=$2; def=$3; shift; shift; shift; inclist=$@;
-case "$inclist" in
-"") inclist="sys/types.h";;
-esac;
-eval "varval=\$$var";
-case "$varval" in
-"")
- $rm -f temp.c;
- for inc in $inclist; do
- echo "#include <$inc>" >>temp.c;
- done;
- $cppstdin $cppflags $cppminus < temp.c >temp.E 2>/dev/null;
- if $contains $type temp.E >/dev/null 2>&1; then
- eval "$var=$type";
- else
- eval "$var=$def";
- fi;
- $rm -f temp.?;;
-*) eval "$var=$varval";;
-esac'
+: see if msgget exists
+set msgget d_msgget
+eval $inlibc
-: see if this is a sys/times.h system
-set sys/times.h i_systimes
-eval $inhdr
+: see if msgsnd exists
+set msgsnd d_msgsnd
+eval $inlibc
-: see if times exists
+: see if msgrcv exists
+set msgrcv d_msgrcv
+eval $inlibc
+
+: see how much of the 'msg*(2)' library is present.
+h_msg=true
echo " "
-if set times val -f d_times; eval $csym; $val; then
- echo 'times() found.' >&4
- d_times="$define"
- inc=''
- case "$i_systimes" in
- "$define") inc='sys/times.h';;
- esac
- set clock_t clocktype long stdio.h sys/types.h $inc
- eval $typedef
- dflt="$clocktype"
- echo " "
- rp="What type is returned by times() on this sytem?"
- . ./myread
- clocktype="$ans"
+case "$d_msgctl$d_msgget$d_msgsnd$d_msgrcv" in
+*"$undef"*) h_msg=false;;
+esac
+: we could also check for sys/ipc.h ...
+if $h_msg && $test `./findhdr sys/msg.h`; then
+ echo "You have the full msg*(2) library." >&4
+ val="$define"
else
- echo 'times() NOT found, hope that will do.' >&4
- d_times="$undef"
- clocktype='int'
+ echo "You don't have the full msg*(2) library." >&4
+ val="$undef"
fi
+set d_msg
+eval $setvar
-: see if truncate exists
-set truncate d_truncate
+: see if this is a malloc.h system
+set malloc.h i_malloc
+eval $inhdr
+
+: see if stdlib is available
+set stdlib.h i_stdlib
+eval $inhdr
+
+: determine which malloc to compile in
+echo " "
+case "$usemymalloc" in
+''|y*|true) dflt='y' ;;
+n*|false) dflt='n' ;;
+*) dflt="$usemymalloc" ;;
+esac
+rp="Do you wish to attempt to use the malloc that comes with $package?"
+. ./myread
+usemymalloc="$ans"
+case "$ans" in
+y*|true)
+ usemymalloc='y'
+ mallocsrc='malloc.c'
+ mallocobj='malloc.o'
+ d_mymalloc="$define"
+ case "$libs" in
+ *-lmalloc*)
+ : Remove malloc from list of libraries to use
+ echo "Removing unneeded -lmalloc from library list" >&4
+ set `echo X $libs | $sed -e 's/-lmalloc / /' -e 's/-lmalloc$//'`
+ shift
+ libs="$*"
+ echo "libs = $libs" >&4
+ ;;
+ esac
+ ;;
+*)
+ usemymalloc='n'
+ mallocsrc=''
+ mallocobj=''
+ d_mymalloc="$undef"
+ ;;
+esac
+
+: compute the return types of malloc and free
+echo " "
+$cat >malloc.c <<END
+#$i_malloc I_MALLOC
+#$i_stdlib I_STDLIB
+#include <stdio.h>
+#include <sys/types.h>
+#ifdef I_MALLOC
+#include <malloc.h>
+#endif
+#ifdef I_STDLIB
+#include <stdlib.h>
+#endif
+#ifdef TRY_MALLOC
+void *malloc();
+#endif
+#ifdef TRY_FREE
+void free();
+#endif
+END
+case "$malloctype" in
+'')
+ if $cc $ccflags -c -DTRY_MALLOC malloc.c >/dev/null 2>&1; then
+ malloctype='void *'
+ else
+ malloctype='char *'
+ fi
+ ;;
+esac
+echo "Your system wants malloc to return '$malloctype', it would seem." >&4
+
+case "$freetype" in
+'')
+ if $cc $ccflags -c -DTRY_FREE malloc.c >/dev/null 2>&1; then
+ freetype='void'
+ else
+ freetype='int'
+ fi
+ ;;
+esac
+echo "Your system uses $freetype free(), it would seem." >&4
+$rm -f malloc.[co]
+: see if nice exists
+set nice d_nice
+eval $inlibc
+
+: see if pause exists
+set pause d_pause
eval $inlibc
-: see if tzname[] exists
-echo " "
-if set tzname val -a d_tzname; eval $csym; $val; then
- val="$define"
- echo 'tzname[] found.' >&4
-else
- val="$undef"
- echo 'tzname[] NOT found.' >&4
-fi
-set d_tzname
-eval $setvar
+: see if pipe exists
+set pipe d_pipe
+eval $inlibc
-: see if umask exists
-set umask d_umask
+: see if poll exists
+set poll d_poll
eval $inlibc
-: see if we have to deal with yellow pages, now NIS.
-if $test -d /usr/etc/yp || $test -d /etc/yp; then
- if $test -f /usr/etc/nibindd; then
- echo " "
- echo "I'm fairly confident you're on a NeXT."
- echo " "
- rp='Do you get the hosts file via NetInfo?'
- dflt=y
- case "$hostcat" in
- nidump*) ;;
- '') ;;
- *) dflt=n;;
- esac
- . ./myread
- case "$ans" in
- y*) hostcat='nidump hosts .';;
- *) case "$hostcat" in
- nidump*) hostcat='';;
- esac
- ;;
- esac
+: see if this is a pwd.h system
+set pwd.h i_pwd
+eval $inhdr
+
+case "$i_pwd" in
+$define)
+ xxx=`./findhdr pwd.h`
+ $cppstdin $cppflags $cppminus < $xxx >$$.h
+
+ if $contains 'pw_quota' $$.h >/dev/null 2>&1; then
+ val="$define"
+ else
+ val="$undef"
fi
- case "$hostcat" in
- nidump*) ;;
- *)
- case "$hostcat" in
- *ypcat*) dflt=y;;
- '') if $contains '^\+' /etc/passwd >/dev/null 2>&1; then
- dflt=y
- else
- dflt=n
- fi;;
- *) dflt=n;;
- esac
- echo " "
- rp='Are you getting the hosts file via yellow pages?'
- . ./myread
- case "$ans" in
- y*) hostcat='ypcat hosts';;
- *) hostcat='cat /etc/hosts';;
- esac
- ;;
- esac
-fi
+ set d_pwquota
+ eval $setvar
-: now get the host name
-echo " "
-echo "Figuring out host name..." >&4
-case "$myhostname" in
-'') cont=true
- echo 'Maybe "hostname" will work...'
- if tans=`sh -c hostname 2>&1` ; then
- myhostname=$tans
- phostname=hostname
- cont=''
+ if $contains 'pw_age' $$.h >/dev/null 2>&1; then
+ val="$define"
+ else
+ val="$undef"
fi
- ;;
-*) cont='';;
-esac
-if $test "$cont"; then
- if ./xenix; then
- echo 'Oh, dear. Maybe "/etc/systemid" is the key...'
- if tans=`cat /etc/systemid 2>&1` ; then
- myhostname=$tans
- phostname='cat /etc/systemid'
- echo "Whadyaknow. Xenix always was a bit strange..."
- cont=''
- fi
- elif $test -r /etc/systemid; then
- echo "(What is a non-Xenix system doing with /etc/systemid?)"
+ set d_pwage
+ eval $setvar
+
+ if $contains 'pw_change' $$.h >/dev/null 2>&1; then
+ val="$define"
+ else
+ val="$undef"
fi
-fi
-if $test "$cont"; then
- echo 'No, maybe "uuname -l" will work...'
- if tans=`sh -c 'uuname -l' 2>&1` ; then
- myhostname=$tans
- phostname='uuname -l'
+ set d_pwchange
+ eval $setvar
+
+ if $contains 'pw_class' $$.h >/dev/null 2>&1; then
+ val="$define"
else
- echo 'Strange. Maybe "uname -n" will work...'
- if tans=`sh -c 'uname -n' 2>&1` ; then
- myhostname=$tans
- phostname='uname -n'
- else
- echo 'Oh well, maybe I can mine it out of whoami.h...'
- if tans=`sh -c $contains' sysname $usrinc/whoami.h' 2>&1` ; then
- myhostname=`echo "$tans" | $sed 's/^.*"\(.*\)"/\1/'`
- phostname="sed -n -e '"'/sysname/s/^.*\"\\(.*\\)\"/\1/{'"' -e p -e q -e '}' <$usrinc/whoami.h"
- else
- case "$myhostname" in
- '') echo "Does this machine have an identity crisis or something?"
- phostname='';;
- *)
- echo "Well, you said $myhostname before..."
- phostname='echo $myhostname';;
- esac
- fi
- fi
+ val="$undef"
fi
-fi
-: you do not want to know about this
-set $myhostname
-myhostname=$1
+ set d_pwclass
+ eval $setvar
-: verify guess
-if $test "$myhostname" ; then
- dflt=y
- rp='Your host name appears to be "'$myhostname'".'" Right?"
- . ./myread
- case "$ans" in
- y*) ;;
- *) myhostname='';;
- esac
-fi
+ if $contains 'pw_expire' $$.h >/dev/null 2>&1; then
+ val="$define"
+ else
+ val="$undef"
+ fi
+ set d_pwexpire
+ eval $setvar
-: bad guess or no guess
-while $test "X$myhostname" = X ; do
- dflt=''
- rp="Please type the (one word) name of your host:"
- . ./myread
- myhostname="$ans"
-done
+ if $contains 'pw_comment' $$.h >/dev/null 2>&1; then
+ val="$define"
+ else
+ val="$undef"
+ fi
+ set d_pwcomment
+ eval $setvar
-: translate upper to lower if necessary
-case "$myhostname" in
-*[A-Z]*)
- echo "(Normalizing case in your host name)"
- myhostname=`echo $myhostname | ./tr '[A-Z]' '[a-z]'`
+ $rm -f $$.h
;;
-esac
-
-: a little sanity check here
-case "$phostname" in
-'') ;;
*)
- case `$phostname | ./tr '[A-Z]' '[a-z]'` in
- $myhostname$mydomain|$myhostname) ;;
- *)
- case "$phostname" in
- sed*)
- echo "(That doesn't agree with your whoami.h file, by the way.)"
- ;;
- *)
- echo "(That doesn't agree with your $phostname command, by the way.)"
- ;;
- esac
+ val="$undef";
+ set d_pwquota; eval $setvar
+ set d_pwage; eval $setvar
+ set d_pwchange; eval $setvar
+ set d_pwclass; eval $setvar
+ set d_pwexpire; eval $setvar
+ set d_pwcomment; eval $setvar
;;
- esac
+esac
+
+: see if readdir and friends exist
+set readdir d_readdir
+eval $inlibc
+set seekdir d_seekdir
+eval $inlibc
+set telldir d_telldir
+eval $inlibc
+set rewinddir d_rewinddir
+eval $inlibc
+
+: see if readlink exists
+set readlink d_readlink
+eval $inlibc
+
+: see if rename exists
+set rename d_rename
+eval $inlibc
+
+: see if rmdir exists
+set rmdir d_rmdir
+eval $inlibc
+
+: can bcopy handle overlapping blocks?
+val="$undef"
+case "$d_bcopy" in
+"$define")
+ echo " "
+ echo "Checking to see if your bcopy() can do overlapping copies..." >&4
+ $cat >foo.c <<'EOCP'
+main()
+{
+char buf[128], abc[128];
+char *b;
+int len;
+int off;
+int align;
+
+bcopy("abcdefghijklmnopqrstuvwxyz0123456789", abc, 36);
+
+for (align = 7; align >= 0; align--) {
+ for (len = 36; len; len--) {
+ b = buf+align;
+ bcopy(abc, b, len);
+ for (off = 1; off <= len; off++) {
+ bcopy(b, b+off, len);
+ bcopy(b+off, b, len);
+ if (bcmp(b, abc, len))
+ exit(1);
+ }
+ }
+}
+exit(0);
+}
+EOCP
+ if $cc $ccflags $ldflags foo.c -o safebcpy $libs >/dev/null 2>&1; then
+ if ./safebcpy 2>/dev/null; then
+ echo "Yes, it can."
+ val="$define"
+ else
+ echo "It can't, sorry."
+ fi
+ else
+ echo "(I can't compile the test program, so we'll assume not...)"
+ fi
;;
esac
+$rm -f foo.* safebcpy core
+set d_safebcpy
+eval $setvar
-: see how we will look up host name
-echo " "
-if false; then
- : dummy stub to allow use of elif
-elif set uname val -f d_uname; eval $csym; $val; then
- if ./xenix; then
- $cat <<'EOM'
-uname() was found, but you're running xenix, and older versions of xenix
-have a broken uname(). If you don't really know whether your xenix is old
-enough to have a broken system call, use the default answer.
+: can memcpy handle overlapping blocks?
+val="$undef"
+case "$d_memcpy" in
+"$define")
+ echo " "
+ echo "Checking to see if your memcpy() can do overlapping copies..." >&4
+ $cat >foo.c <<'EOCP'
+main()
+{
+char buf[128], abc[128];
+char *b;
+int len;
+int off;
+int align;
-EOM
- dflt=y
- case "$d_uname" in
- "$define") dflt=n;;
- esac
- rp='Is your uname() broken?'
- . ./myread
- case "$ans" in
- n*) d_uname="$define"; call=uname;;
- esac
+memcpy(abc, "abcdefghijklmnopqrstuvwxyz0123456789", 36);
+
+for (align = 7; align >= 0; align--) {
+ for (len = 36; len; len--) {
+ b = buf+align;
+ memcpy(b, abc, len);
+ for (off = 1; off <= len; off++) {
+ memcpy(b+off, b, len);
+ memcpy(b, b+off, len);
+ if (memcmp(b, abc, len))
+ exit(1);
+ }
+ }
+}
+exit(0);
+}
+EOCP
+ if $cc $ccflags $ldflags foo.c -o safemcpy $libs >/dev/null 2>&1; then
+ if ./safemcpy 2>/dev/null; then
+ echo "Yes, it can."
+ val="$define"
+ else
+ echo "It can't, sorry."
+ fi
else
- echo 'uname() found.' >&4
- d_uname="$define"
- call=uname
+ echo "(I can't compile the test program, so we'll assume not...)"
fi
-fi
-case "$d_gethname" in
-'') d_gethname="$undef";;
-esac
-case "$d_uname" in
-'') d_uname="$undef";;
-esac
-case "$d_phostname" in
-'') d_phostname="$undef";;
+ ;;
esac
+$rm -f foo.* safemcpy core
+set d_safemcpy
+eval $setvar
-: backward compatibility for d_hvfork
-if test X$d_hvfork != X; then
- d_vfork="$d_hvfork"
- d_hvfork=''
-fi
-: see if there is a vfork
-val=''
-set vfork val
+: see if select exists
+set select d_select
eval $inlibc
-: Ok, but do we want to use it. vfork is reportedly unreliable in
-: perl on Solaris 2.x, and probably elsewhere.
-case "$val" in
-$define)
- echo " "
- case "$usevfork" in
- false) dflt='n';;
- *) dflt='y';;
- esac
- rp="Some systems have problems with vfork(). Do you want to use it?"
- . ./myread
- case "$ans" in
- y|Y) ;;
- *)
- echo "Ok, we won't use vfork()."
- val="$undef"
- ;;
- esac
- ;;
+: see if semctl exists
+set semctl d_semctl
+eval $inlibc
+
+: see if semget exists
+set semget d_semget
+eval $inlibc
+
+: see if semop exists
+set semop d_semop
+eval $inlibc
+
+: see how much of the 'sem*(2)' library is present.
+h_sem=true
+echo " "
+case "$d_semctl$d_semget$d_semop" in
+*"$undef"*) h_sem=false;;
esac
-set d_vfork
+: we could also check for sys/ipc.h ...
+if $h_sem && $test `./findhdr sys/sem.h`; then
+ echo "You have the full sem*(2) library." >&4
+ val="$define"
+else
+ echo "You don't have the full sem*(2) library." >&4
+ val="$undef"
+fi
+set d_sem
eval $setvar
-case "$d_vfork" in
-$define) usevfork='true';;
-*) usevfork='false';;
-esac
-: see if this is an sysdir system
-set sys/dir.h i_sysdir
-eval $inhdr
+: see if setegid exists
+set setegid d_setegid
+eval $inlibc
-: see if this is an sysndir system
-set sys/ndir.h i_sysndir
-eval $inhdr
+: see if seteuid exists
+set seteuid d_seteuid
+eval $inlibc
-: see if closedir exists
-set closedir d_closedir
+: see if setlinebuf exists
+set setlinebuf d_setlinebuf
eval $inlibc
-case "$d_closedir" in
-"$define")
- echo " "
- echo "Checking whether closedir() returns a status..." >&4
- cat > closedir.c <<EOM
-#$i_dirent I_DIRENT /**/
-#$i_sysdir I_SYS_DIR /**/
-#$i_sysndir I_SYS_NDIR /**/
+: see if setlocale exists
+set setlocale d_setlocale
+eval $inlibc
-#if defined(I_DIRENT)
-#include <dirent.h>
-#if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
-#include <sys/dir.h>
-#endif
-#else
-#ifdef I_SYS_NDIR
-#include <sys/ndir.h>
-#else
-#ifdef I_SYS_DIR
-#ifdef hp9000s500
-#include <ndir.h> /* may be wrong in the future */
-#else
-#include <sys/dir.h>
-#endif
-#endif
-#endif
-#endif
-int main() { return closedir(opendir(".")); }
-EOM
- if $cc $ccflags $ldflags -o closedir closedir.c $libs > /dev/null 2>&1; then
- if ./closedir > /dev/null 2>&1 ; then
- echo "Yes, it does."
- val="$undef"
- else
- echo "No, it doesn't."
- val="$define"
- fi
+: see if setpgid exists
+set setpgid d_setpgid
+eval $inlibc
+
+: see if setpgrp2 exists
+set setpgrp2 d_setpgrp2
+eval $inlibc
+
+: see if setpriority exists
+set setpriority d_setprior
+eval $inlibc
+
+: see if setregid exists
+set setregid d_setregid
+eval $inlibc
+set setresgid d_setresgid
+eval $inlibc
+
+: see if setreuid exists
+set setreuid d_setreuid
+eval $inlibc
+set setresuid d_setresuid
+eval $inlibc
+
+: see if setrgid exists
+set setrgid d_setrgid
+eval $inlibc
+
+: see if setruid exists
+set setruid d_setruid
+eval $inlibc
+
+: see if setsid exists
+set setsid d_setsid
+eval $inlibc
+
+: see if shmctl exists
+set shmctl d_shmctl
+eval $inlibc
+
+: see if shmget exists
+set shmget d_shmget
+eval $inlibc
+
+: see if shmat exists
+set shmat d_shmat
+eval $inlibc
+: see what shmat returns
+case "$d_shmat" in
+"$define")
+ $cat >shmat.c <<'END'
+#include <sys/shm.h>
+void *shmat();
+END
+ if $cc $ccflags -c shmat.c >/dev/null 2>&1; then
+ shmattype='void *'
else
- echo "(I can't seem to compile the test program--assuming it doesn't)"
+ shmattype='char *'
+ fi
+ echo "and it returns ($shmattype)." >&4
+ : see if a prototype for shmat is available
+ xxx=`./findhdr sys/shm.h`
+ $cppstdin $cppflags $cppminus < $xxx > shmat.c 2>/dev/null
+ if $contains 'shmat.*(' shmat.c >/dev/null 2>&1; then
val="$define"
+ else
+ val="$undef"
fi
+ $rm -f shmat.[co]
;;
*)
- val="$undef";
+ val="$undef"
;;
esac
-set d_void_closedir
+set d_shmatprototype
eval $setvar
-$rm -f closedir*
-: check for volatile keyword
+
+: see if shmdt exists
+set shmdt d_shmdt
+eval $inlibc
+
+: see how much of the 'shm*(2)' library is present.
+h_shm=true
echo " "
-echo 'Checking to see if your C compiler knows about "volatile"...' >&4
-$cat >try.c <<'EOCP'
-main()
-{
- typedef struct _goo_struct goo_struct;
- goo_struct * volatile goo = ((goo_struct *)0);
- struct _goo_struct {
- long long_int;
- int reg_int;
- char char_var;
- };
- typedef unsigned short foo_t;
- char *volatile foo;
- volatile int bar;
- volatile foo_t blech;
- foo = foo;
-}
-EOCP
-if $cc -c $ccflags try.c >/dev/null 2>&1 ; then
+case "$d_shmctl$d_shmget$d_shmat$d_shmdt" in
+*"$undef"*) h_shm=false;;
+esac
+: we could also check for sys/ipc.h ...
+if $h_shm && $test `./findhdr sys/shm.h`; then
+ echo "You have the full shm*(2) library." >&4
val="$define"
- echo "Yup, it does."
else
+ echo "You don't have the full shm*(2) library." >&4
val="$undef"
- echo "Nope, it doesn't."
fi
-set d_volatile
+set d_shm
eval $setvar
-$rm -f try.*
-
-: see if there is a wait4
-set wait4 d_wait4
-eval $inlibc
-: see if waitpid exists
-set waitpid d_waitpid
-eval $inlibc
-
-: see if wcstombs exists
-set wcstombs d_wcstombs
-eval $inlibc
+: see if sigvector exists -- since sigvec will match the substring
+echo " "
+if set sigvector val -f d_sigvectr; eval $csym; $val; then
+ echo 'sigvector() found--you must be running HP-UX.' >&4
+ val="$define"; set d_sigvectr; eval $setvar
+ val="$define"; set d_sigvec; eval $setvar
+else
+: try the original name
+ d_sigvectr="$undef"
+ if set sigvec val -f d_sigvec; eval $csym; $val; then
+ echo 'sigvec() found.' >&4
+ val="$define"; set d_sigvec; eval $setvar
+ else
+ echo 'sigvec() not found--race conditions with signals may occur.' >&4
+ val="$undef"; set d_sigvec; eval $setvar
+ fi
+fi
-: see if wctomb exists
-set wctomb d_wctomb
+: see if we have sigaction
+set sigaction d_sigaction
eval $inlibc
-: preserve RCS keywords in files with variable substitution, grrr
-Date='$Date'
-Id='$Id'
-Log='$Log'
-RCSfile='$RCSfile'
-Revision='$Revision'
-: check for alignment requirements
+: see if sigsetjmp exists
echo " "
-case "$alignbytes" in
-'') echo "Checking alignment constraints..." >&4
- $cat >try.c <<'EOCP'
-struct foobar {
- char foo;
- double bar;
-} try;
+case "$d_sigsetjmp" in
+'')
+ $cat >set.c <<EOP
+#include <setjmp.h>
+sigjmp_buf env;
+int set = 1;
main()
{
- printf("%d\n", (char *)&try.bar - (char *)&try.foo);
+ if (sigsetjmp(env,1))
+ exit(set);
+ set = 0;
+ siglongjmp(env, 1);
+ exit(1);
}
-EOCP
- if $cc $ccflags try.c -o try >/dev/null 2>&1; then
- dflt=`./try`
+EOP
+ if $cc $ccflags $ldflags set.c -o set $libs >/dev/null 2>&1; then
+ if ./set >/dev/null 2>&1; then
+ echo "POSIX sigsetjmp found." >&4
+ val="$define"
+ else
+ $cat <<EOM
+Uh-Oh! You have POSIX sigsetjmp and siglongjmp, but they do not work properly!!
+EOM
+ val="$undef"
+ fi
else
- dflt='8'
- echo"(I can't seem to compile the test program...)"
+ echo "Sigsetjmp not found." >&4
+ val="$undef"
fi
;;
-*) dflt="$alignbytes"
+*) val="$d_sigsetjmp"
+ case "$d_sigsetjmp" in
+ $define) echo "POSIX sigsetjmp found." >&4;;
+ $undef) echo "Sigsetjmp not found." >&4;;
+ esac
;;
esac
-rp="Doubles must be aligned on a how-many-byte boundary?"
-. ./myread
-alignbytes="$ans"
-$rm -f try.c try
+set d_sigsetjmp
+eval $setvar
+$rm -f set.c set
-: determine where public executables go
+socketlib=''
+sockethdr=''
+: see whether socket exists
echo " "
-set dflt bin bin
-eval $prefixit
-fn=d~
-rp='Pathname where the public executables will reside?'
-. ./getfile
-if $test "X$ansexp" != "X$binexp"; then
- installbin=''
-fi
-bin="$ans"
-binexp="$ansexp"
-if $afs; then
- $cat <<EOM
-
-Since you are running AFS, I need to distinguish the directory in which
-executables reside from the directory in which they are installed (and from
-which they are presumably copied to the former directory by occult means).
-
-EOM
- case "$installbin" in
- '') dflt=`echo $binexp | sed 's#^/afs/#/afs/.#'`;;
- *) dflt="$installbin";;
- esac
- fn=de~
- rp='Where will public executables be installed?'
- . ./getfile
- installbin="$ans"
+$echo $n "Hmm... $c" >&4
+if set socket val -f d_socket; eval $csym; $val; then
+ echo "Looks like you have Berkeley networking support." >&4
+ d_socket="$define"
+ if set setsockopt val -f; eval $csym; $val; then
+ d_oldsock="$undef"
+ else
+ echo "...but it uses the old 4.1c interface, rather than 4.2" >&4
+ d_oldsock="$define"
+ fi
else
- installbin="$binexp"
+ if $contains socklib libc.list >/dev/null 2>&1; then
+ echo "Looks like you have Berkeley networking support." >&4
+ d_socket="$define"
+ : we will have to assume that it supports the 4.2 BSD interface
+ d_oldsock="$undef"
+ else
+ echo "You don't have Berkeley networking in libc.a..." >&4
+ if test -f /usr/lib/libnet.a; then
+ ( (nm $nm_opt /usr/lib/libnet.a | eval $nm_extract) || \
+ ar t /usr/lib/libnet.a) 2>/dev/null >> libc.list
+ if $contains socket libc.list >/dev/null 2>&1; then
+ echo "...but the Wollongong group seems to have hacked it in." >&4
+ socketlib="-lnet"
+ sockethdr="-I/usr/netinclude"
+ d_socket="$define"
+ if $contains setsockopt libc.list >/dev/null 2>&1; then
+ d_oldsock="$undef"
+ else
+ echo "...using the old 4.1c interface, rather than 4.2" >&4
+ d_oldsock="$define"
+ fi
+ else
+ echo "or even in libnet.a, which is peculiar." >&4
+ d_socket="$undef"
+ d_oldsock="$undef"
+ fi
+ else
+ echo "or anywhere else I see." >&4
+ d_socket="$undef"
+ d_oldsock="$undef"
+ fi
+ fi
fi
-: check for ordering of bytes in a long
-case "$byteorder" in
-'')
- $cat <<'EOM'
-
-In the following, larger digits indicate more significance. A big-endian
-machine like a Pyramid or a Motorola 680?0 chip will come out to 4321. A
-little-endian machine like a Vax or an Intel 80?86 chip would be 1234. Other
-machines may have weird orders like 3412. A Cray will report 87654321. If
-the test program works the default is probably right.
-I'm now running the test program...
-EOM
- $cat >try.c <<'EOCP'
-#include <stdio.h>
-main()
-{
- int i;
- union {
- unsigned long l;
- char c[sizeof(long)];
- } u;
+: see if socketpair exists
+set socketpair d_sockpair
+eval $inlibc
- if (sizeof(long) > 4)
- u.l = (0x08070605L << 32) | 0x04030201L;
- else
- u.l = 0x04030201L;
- for (i = 0; i < sizeof(long); i++)
- printf("%c", u.c[i]+'0');
- printf("\n");
-}
-EOCP
- if $cc $ccflags try.c -o try >/dev/null 2>&1 ; then
- dflt=`./try`
- case "$dflt" in
- ????|????????) echo "(The test program ran ok.)";;
- *) echo "(The test program didn't run right for some reason.)";;
- esac
+: see if stat knows about block sizes
+echo " "
+xxx=`./findhdr sys/stat.h`
+if $contains 'st_blocks;' "$xxx" >/dev/null 2>&1 ; then
+ if $contains 'st_blksize;' "$xxx" >/dev/null 2>&1 ; then
+ echo "Your stat() knows about block sizes." >&4
+ val="$define"
else
- dflt='4321'
- cat <<'EOM'
-(I can't seem to compile the test program. Guessing big-endian...)
-EOM
+ echo "Your stat() doesn't know about block sizes." >&4
+ val="$undef"
fi
- ;;
-*)
- echo " "
- dflt="$byteorder"
- ;;
-esac
-rp="What is the order of bytes in a long?"
-. ./myread
-byteorder="$ans"
-$rm -f try.c try
+else
+ echo "Your stat() doesn't know about block sizes." >&4
+ val="$undef"
+fi
+set d_statblks
+eval $setvar
-: how do we catenate cpp tokens here?
+: see if _ptr and _cnt from stdio act std
echo " "
-echo "Checking to see how your cpp does stuff like catenate tokens..." >&4
-$cat >cpp_stuff.c <<'EOCP'
-#define RCAT(a,b)a/**/b
-#define ACAT(a,b)a ## b
-RCAT(Rei,ser)
-ACAT(Cir,cus)
-EOCP
-$cppstdin $cppflags $cppminus <cpp_stuff.c >cpp_stuff.out 2>&1
-if $contains 'Circus' cpp_stuff.out >/dev/null 2>&1; then
- echo "Oh! Smells like ANSI's been here."
- echo "We can catify or stringify, separately or together!"
- cpp_stuff=42
-elif $contains 'Reiser' cpp_stuff.out >/dev/null 2>&1; then
- echo "Ah, yes! The good old days!"
- echo "However, in the good old days we don't know how to stringify and"
- echo "catify at the same time."
- cpp_stuff=1
+if $contains '_IO_fpos_t' `./findhdr stdio.h` >/dev/null 2>&1 ; then
+ echo "(Looks like you have stdio.h from Linux.)"
+ case "$stdio_ptr" in
+ '') stdio_ptr='((fp)->_IO_read_ptr)'
+ ptr_lval=$define
+ ;;
+ *) ptr_lval=$d_stdio_ptr_lval;;
+ esac
+ case "$stdio_cnt" in
+ '') stdio_cnt='((fp)->_IO_read_end - (fp)->_IO_read_ptr)'
+ cnt_lval=$undef
+ ;;
+ *) cnt_lval=$d_stdio_cnt_lval;;
+ esac
+ case "$stdio_base" in
+ '') stdio_base='((fp)->_IO_read_base)';;
+ esac
+ case "$stdio_bufsiz" in
+ '') stdio_bufsiz='((fp)->_IO_read_end - (fp)->_IO_read_base)';;
+ esac
else
- $cat >&4 <<EOM
-Hmm, I don't seem to be able to catenate tokens with your cpp. You're going
-to have to edit the values of CAT[2-5] in config.h...
-EOM
- cpp_stuff="/* Help! How do we handle cpp_stuff? */*/"
+ case "$stdio_ptr" in
+ '') stdio_ptr='((fp)->_ptr)'
+ ptr_lval=$define
+ ;;
+ *) ptr_lval=$d_stdio_ptr_lval;;
+ esac
+ case "$stdio_cnt" in
+ '') stdio_cnt='((fp)->_cnt)'
+ cnt_lval=$define
+ ;;
+ *) cnt_lval=$d_stdio_cnt_lval;;
+ esac
+ case "$stdio_base" in
+ '') stdio_base='((fp)->_base)';;
+ esac
+ case "$stdio_bufsiz" in
+ '') stdio_bufsiz='((fp)->_cnt + (fp)->_ptr - (fp)->_base)';;
+ esac
fi
-$rm -f cpp_stuff.*
+: test whether _ptr and _cnt really work
+echo "Checking how std your stdio is..." >&4
+$cat >try.c <<EOP
+#include <stdio.h>
+#define FILE_ptr(fp) $stdio_ptr
+#define FILE_cnt(fp) $stdio_cnt
+main() {
+ FILE *fp = fopen("try.c", "r");
+ char c = getc(fp);
+ if (
+ 18 <= FILE_cnt(fp) &&
+ strncmp(FILE_ptr(fp), "include <stdio.h>\n", 18) == 0
+ )
+ exit(0);
+ exit(1);
+}
+EOP
+val="$undef"
+if $cc $ccflags $ldflags -o try try.c $libs >/dev/null 2>&1; then
+ if ./try; then
+ echo "Your stdio acts pretty std."
+ val="$define"
+ else
+ echo "Your stdio isn't very std."
+ fi
+else
+ echo "Your stdio doesn't appear very std."
+fi
+$rm -f try.c try
+set d_stdstdio
+eval $setvar
-: see if this is a db.h system
-set db.h i_db
-eval $inhdr
+: Can _ptr be used as an lvalue?
+case "$d_stdstdio$ptr_lval" in
+$define$define) val=$define ;;
+*) val=$undef ;;
+esac
+set d_stdio_ptr_lval
+eval $setvar
-case "$i_db" in
-define)
- : Check the return type needed for hash
- echo "Checking return type needed for hash for Berkeley DB ..." >&4
- $cat >try.c <<'EOCP'
-#include <sys/types.h>
-#include <db.h>
-u_int32_t
-hash_cb (ptr, size)
-const void * ptr ;
-size_t size ;
-{
-}
-HASHINFO info ;
-main()
-{
- info.hash = hash_cb ;
+: Can _cnt be used as an lvalue?
+case "$d_stdstdio$cnt_lval" in
+$define$define) val=$define ;;
+*) val=$undef ;;
+esac
+set d_stdio_cnt_lval
+eval $setvar
+
+: see if _base is also standard
+val="$undef"
+case "$d_stdstdio" in
+$define)
+ $cat >try.c <<EOP
+#include <stdio.h>
+#define FILE_base(fp) $stdio_base
+#define FILE_bufsiz(fp) $stdio_bufsiz
+main() {
+ FILE *fp = fopen("try.c", "r");
+ char c = getc(fp);
+ if (
+ 19 <= FILE_bufsiz(fp) &&
+ strncmp(FILE_base(fp), "#include <stdio.h>\n", 19) == 0
+ )
+ exit(0);
+ exit(1);
}
-EOCP
- if $cc $ccflags -c try.c >try.out 2>&1 ; then
- if $contains warning try.out >>/dev/null 2>&1 ; then
- db_hashtype='int'
+EOP
+ if $cc $ccflags $ldflags -o try try.c $libs > /dev/null 2>&1; then
+ if ./try; then
+ echo "Even its _base field acts std."
+ val="$define"
else
- db_hashtype='u_int32_t'
+ echo "But its _base field isn't std."
fi
else
- echo "I can't seem to compile the test program." >&4
- db_hashtype=int
+ echo "However, it seems to be lacking the _base field."
fi
- $rm -f try.*
- echo "Your version of Berkeley DB uses $db_hashtype for hash."
- ;;
-*) db_hashtype=int
+ $rm -f try.c try
;;
esac
+set d_stdiobase
+eval $setvar
-case "$i_db" in
-define)
- : Check the return type needed for prefix
- echo "Checking return type needed for prefix for Berkeley DB ..." >&4
- cat >try.c <<'EOCP'
-#include <sys/types.h>
-#include <db.h>
-size_t
-prefix_cb (key1, key2)
-const DBT * key1 ;
-const DBT * key2 ;
-{
-}
-BTREEINFO info ;
+: see if strcoll exists
+set strcoll d_strcoll
+eval $inlibc
+
+: check for structure copying
+echo " "
+echo "Checking to see if your C compiler can copy structs..." >&4
+$cat >try.c <<'EOCP'
main()
{
- info.prefix = prefix_cb ;
+ struct blurfl {
+ int dyick;
+ } foo, bar;
+
+ foo = bar;
}
EOCP
- if $cc $ccflags -c try.c >try.out 2>&1 ; then
- if $contains warning try.out >>/dev/null 2>&1 ; then
- db_prefixtype='int'
- else
- db_prefixtype='size_t'
- fi
+if $cc -c try.c >/dev/null 2>&1 ; then
+ val="$define"
+ echo "Yup, it can."
+else
+ val="$undef"
+ echo "Nope, it can't."
+fi
+set d_strctcpy
+eval $setvar
+$rm -f try.*
+
+: see if strerror and/or sys_errlist[] exist
+echo " "
+if set strerror val -f d_strerror; eval $csym; $val; then
+ echo 'strerror() found.' >&4
+ d_strerror="$define"
+ d_strerrm='strerror(e)'
+ if set sys_errlist val -a d_syserrlst; eval $csym; $val; then
+ echo "(You also have sys_errlist[], so we could roll our own strerror.)"
+ d_syserrlst="$define"
else
- echo "I can't seem to compile the test program." >&4
- db_prefixtype='int'
+ echo "(Since you don't have sys_errlist[], sterror() is welcome.)"
+ d_syserrlst="$undef"
fi
- $rm -f try.*
- echo "Your version of Berkeley DB uses $db_prefixtype for prefix."
- ;;
-*) db_prefixtype='int'
- ;;
-esac
+elif xxx=`./findhdr string.h`; test "$xxx" || xxx=`./findhdr strings.h`; \
+ $contains '#[ ]*define.*strerror' "$xxx" >/dev/null 2>&1; then
+ echo 'strerror() found in string header.' >&4
+ d_strerror="$define"
+ d_strerrm='strerror(e)'
+ if set sys_errlist val -a d_syserrlst; eval $csym; $val; then
+ echo "(Most probably, strerror() uses sys_errlist[] for descriptions.)"
+ d_syserrlst="$define"
+ else
+ echo "(You don't appear to have any sys_errlist[], how can this be?)"
+ d_syserrlst="$undef"
+ fi
+elif set sys_errlist val -a d_syserrlst; eval $csym; $val; then
+echo "strerror() not found, but you have sys_errlist[] so we'll use that." >&4
+ d_strerror="$undef"
+ d_syserrlst="$define"
+ d_strerrm='((e)<0||(e)>=sys_nerr?"unknown":sys_errlist[e])'
+else
+ echo 'strerror() and sys_errlist[] NOT found.' >&4
+ d_strerror="$undef"
+ d_syserrlst="$undef"
+ d_strerrm='"unknown"'
+fi
-: check for void type
-echo " "
-echo "Checking to see how well your C compiler groks the void type..." >&4
+: see if strxfrm exists
+set strxfrm d_strxfrm
+eval $inlibc
+
+: see if symlink exists
+set symlink d_symlink
+eval $inlibc
+
+: see if syscall exists
+set syscall d_syscall
+eval $inlibc
+
+: see if sysconf exists
+set sysconf d_sysconf
+eval $inlibc
+
+: see if system exists
+set system d_system
+eval $inlibc
+
+: see if tcgetpgrp exists
+set tcgetpgrp d_tcgetpgrp
+eval $inlibc
+
+: see if tcsetpgrp exists
+set tcsetpgrp d_tcsetpgrp
+eval $inlibc
+
+: define an is-a-typedef? function
+typedef='type=$1; var=$2; def=$3; shift; shift; shift; inclist=$@;
+case "$inclist" in
+"") inclist="sys/types.h";;
+esac;
+eval "varval=\$$var";
+case "$varval" in
+"")
+ $rm -f temp.c;
+ for inc in $inclist; do
+ echo "#include <$inc>" >>temp.c;
+ done;
+ $cppstdin $cppflags $cppminus < temp.c >temp.E 2>/dev/null;
+ if $contains $type temp.E >/dev/null 2>&1; then
+ eval "$var=\$type";
+ else
+ eval "$var=\$def";
+ fi;
+ $rm -f temp.?;;
+*) eval "$var=\$varval";;
+esac'
+
+: see if this is a sys/times.h system
+set sys/times.h i_systimes
+eval $inhdr
+
+: see if times exists
echo " "
-$cat >&4 <<EOM
- Support flag bits are:
- 1: basic void declarations.
- 2: arrays of pointers to functions returning void.
- 4: operations between pointers to and addresses of void functions.
- 8: generic void pointers.
-EOM
+if set times val -f d_times; eval $csym; $val; then
+ echo 'times() found.' >&4
+ d_times="$define"
+ inc=''
+ case "$i_systimes" in
+ "$define") inc='sys/times.h';;
+ esac
+ set clock_t clocktype long stdio.h sys/types.h $inc
+ eval $typedef
+ dflt="$clocktype"
+ echo " "
+ rp="What type is returned by times() on this system?"
+ . ./myread
+ clocktype="$ans"
+else
+ echo 'times() NOT found, hope that will do.' >&4
+ d_times="$undef"
+ clocktype='int'
+fi
+
+: see if truncate exists
+set truncate d_truncate
+eval $inlibc
+
+: see if tzname[] exists
echo " "
-case "$voidflags" in
-'')
- $cat >try.c <<'EOCP'
-#if TRY & 1
-void main() {
-#else
-main() {
-#endif
- extern void moo(); /* function returning void */
- void (*goo)(); /* ptr to func returning void */
-#if TRY & 8
- void *hue; /* generic ptr */
-#endif
-#if TRY & 2
- void (*foo[10])();
-#endif
+if set tzname val -a d_tzname; eval $csym; $val; then
+ val="$define"
+ echo 'tzname[] found.' >&4
+else
+ val="$undef"
+ echo 'tzname[] NOT found.' >&4
+fi
+set d_tzname
+eval $setvar
-#if TRY & 4
- if(goo == moo) {
- exit(0);
- }
-#endif
- exit(0);
-}
-EOCP
- if $cc -c -DTRY=$defvoidused try.c >.out 2>&1 ; then
- voidflags=$defvoidused
- echo "It appears to support void to the level $package wants ($defvoidused)."
- if $contains warning .out >/dev/null 2>&1; then
- echo "However, you might get some warnings that look like this:"
- $cat .out
- fi
+: see if umask exists
+set umask d_umask
+eval $inlibc
+
+: see how we will look up host name
+echo " "
+if false; then
+ : dummy stub to allow use of elif
+elif set uname val -f d_uname; eval $csym; $val; then
+ if ./xenix; then
+ $cat <<'EOM'
+uname() was found, but you're running xenix, and older versions of xenix
+have a broken uname(). If you don't really know whether your xenix is old
+enough to have a broken system call, use the default answer.
+
+EOM
+ dflt=y
+ case "$d_uname" in
+ "$define") dflt=n;;
+ esac
+ rp='Is your uname() broken?'
+ . ./myread
+ case "$ans" in
+ n*) d_uname="$define"; call=uname;;
+ esac
else
-echo "Hmm, your compiler has some difficulty with void. Checking further..." >&4
- if $cc -c -DTRY=1 try.c >/dev/null 2>&1 ; then
- echo "It supports 1..."
- if $cc -c -DTRY=3 try.c >/dev/null 2>&1 ; then
- echo "It also supports 2..."
- if $cc -c -DTRY=7 try.c >/dev/null 2>&1 ; then
- voidflags=7
- echo "And it supports 4 but not 8 definitely."
- else
- echo "It doesn't support 4..."
- if $cc -c -DTRY=11 try.c >/dev/null 2>&1 ; then
- voidflags=11
- echo "But it supports 8."
- else
- voidflags=3
- echo "Neither does it support 8."
- fi
- fi
- else
- echo "It does not support 2..."
- if $cc -c -DTRY=13 try.c >/dev/null 2>&1 ; then
- voidflags=13
- echo "But it supports 4 and 8."
- else
- if $cc -c -DTRY=5 try.c >/dev/null 2>&1 ; then
- voidflags=5
- echo "And it supports 4 but has not heard about 8."
- else
- echo "However it supports 8 but not 4."
- fi
- fi
- fi
- else
- echo "There is no support at all for void."
- voidflags=0
- fi
+ echo 'uname() found.' >&4
+ d_uname="$define"
+ call=uname
fi
+fi
+case "$d_gethname" in
+'') d_gethname="$undef";;
+esac
+case "$d_uname" in
+'') d_uname="$undef";;
+esac
+case "$d_phostname" in
+'') d_phostname="$undef";;
esac
-dflt="$voidflags";
-rp="Your void support flags add up to what?"
-. ./myread
-voidflags="$ans"
-$rm -f try.* .out
-: see if dbm.h is available
-set dbm.h t_dbm
-eval $inhdr
-case "$t_dbm" in
+: backward compatibility for d_hvfork
+if test X$d_hvfork != X; then
+ d_vfork="$d_hvfork"
+ d_hvfork=''
+fi
+: see if there is a vfork
+val=''
+set vfork val
+eval $inlibc
+
+: Ok, but do we want to use it. vfork is reportedly unreliable in
+: perl on Solaris 2.x, and probably elsewhere.
+case "$val" in
$define)
- : see if dbmclose exists
- set dbmclose d_dbmclose
- eval $inlibc
- case "$d_dbmclose" in
- $undef)
- t_dbm="$undef"
- echo "We won't be including <dbm.h>"
+ echo " "
+ case "$usevfork" in
+ false) dflt='n';;
+ *) dflt='y';;
+ esac
+ rp="Some systems have problems with vfork(). Do you want to use it?"
+ . ./myread
+ case "$ans" in
+ y|Y) ;;
+ *)
+ echo "Ok, we won't use vfork()."
+ val="$undef"
;;
esac
;;
esac
-val="$t_dbm"
-set i_dbm
+set d_vfork
eval $setvar
+case "$d_vfork" in
+$define) usevfork='true';;
+*) usevfork='false';;
+esac
-: see if ndbm.h is available
-set ndbm.h t_ndbm
+: see if this is an sysdir system
+set sys/dir.h i_sysdir
eval $inhdr
-case "$t_ndbm" in
-$define)
- : see if dbm_open exists
- set dbm_open d_dbm_open
- eval $inlibc
- case "$d_dbm_open" in
- $undef)
- t_ndbm="$undef"
- echo "We won't be including <ndbm.h>"
- ;;
- esac
- ;;
-esac
-val="$t_ndbm"
-set i_ndbm
-eval $setvar
-: see if gdbm.h is available
-set gdbm.h t_gdbm
+: see if this is an sysndir system
+set sys/ndir.h i_sysndir
eval $inhdr
-case "$t_gdbm" in
-$define)
- : see if gdbm_open exists
- set gdbm_open d_gdbm_open
- eval $inlibc
- case "$d_gdbm_open" in
- $undef)
- t_gdbm="$undef"
- echo "We won't be including <gdbm.h>"
- ;;
- esac
+
+: see if closedir exists
+set closedir d_closedir
+eval $inlibc
+
+case "$d_closedir" in
+"$define")
+ echo " "
+ echo "Checking whether closedir() returns a status..." >&4
+ cat > closedir.c <<EOM
+#$i_dirent I_DIRENT /**/
+#$i_sysdir I_SYS_DIR /**/
+#$i_sysndir I_SYS_NDIR /**/
+
+#if defined(I_DIRENT)
+#include <dirent.h>
+#if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
+#include <sys/dir.h>
+#endif
+#else
+#ifdef I_SYS_NDIR
+#include <sys/ndir.h>
+#else
+#ifdef I_SYS_DIR
+#ifdef hp9000s500
+#include <ndir.h> /* may be wrong in the future */
+#else
+#include <sys/dir.h>
+#endif
+#endif
+#endif
+#endif
+int main() { return closedir(opendir(".")); }
+EOM
+ if $cc $ccflags $ldflags -o closedir closedir.c $libs > /dev/null 2>&1; then
+ if ./closedir > /dev/null 2>&1 ; then
+ echo "Yes, it does."
+ val="$undef"
+ else
+ echo "No, it doesn't."
+ val="$define"
+ fi
+ else
+ echo "(I can't seem to compile the test program--assuming it doesn't)"
+ val="$define"
+ fi
+ ;;
+*)
+ val="$undef";
;;
esac
-val="$t_gdbm"
-set i_gdbm
+set d_void_closedir
+eval $setvar
+$rm -f closedir*
+: check for volatile keyword
+echo " "
+echo 'Checking to see if your C compiler knows about "volatile"...' >&4
+$cat >try.c <<'EOCP'
+main()
+{
+ typedef struct _goo_struct goo_struct;
+ goo_struct * volatile goo = ((goo_struct *)0);
+ struct _goo_struct {
+ long long_int;
+ int reg_int;
+ char char_var;
+ };
+ typedef unsigned short foo_t;
+ char *volatile foo;
+ volatile int bar;
+ volatile foo_t blech;
+ foo = foo;
+}
+EOCP
+if $cc -c $ccflags try.c >/dev/null 2>&1 ; then
+ val="$define"
+ echo "Yup, it does."
+else
+ val="$undef"
+ echo "Nope, it doesn't."
+fi
+set d_volatile
eval $setvar
+$rm -f try.*
+
+: see if there is a wait4
+set wait4 d_wait4
+eval $inlibc
+
+: see if waitpid exists
+set waitpid d_waitpid
+eval $inlibc
+
+: see if wcstombs exists
+set wcstombs d_wcstombs
+eval $inlibc
+
+: see if wctomb exists
+set wctomb d_wctomb
+eval $inlibc
+
+: preserve RCS keywords in files with variable substitution, grrr
+Date='$Date'
+Id='$Id'
+Log='$Log'
+RCSfile='$RCSfile'
+Revision='$Revision'
+: check for alignment requirements
echo " "
-echo "Looking for extensions..." >&4
-cd ../ext
-: If we are using the old config.sh, known_extensions may contain
-: old or inaccurate or duplicate values.
-known_extensions=''
-: We do not use find because it might not be available.
-: We do not just use MANIFEST because the user may have dropped
-: some additional extensions into the source tree and expect them
-: to be built.
-for xxx in * ; do
- if $test -f $xxx/$xxx.xs; then
- known_extensions="$known_extensions $xxx"
+case "$alignbytes" in
+'') echo "Checking alignment constraints..." >&4
+ $cat >try.c <<'EOCP'
+struct foobar {
+ char foo;
+ double bar;
+} try;
+main()
+{
+ printf("%d\n", (char *)&try.bar - (char *)&try.foo);
+}
+EOCP
+ if $cc $ccflags try.c -o try >/dev/null 2>&1; then
+ dflt=`./try`
else
- if $test -d $xxx; then
- cd $xxx
- for yyy in * ; do
- if $test -f $yyy/$yyy.xs; then
- known_extensions="$known_extensions $xxx/$yyy"
- fi
- done
- cd ..
- fi
+ dflt='8'
+ echo"(I can't seem to compile the test program...)"
fi
-done
-set X $known_extensions
-shift
-known_extensions="$*"
-cd ../UU
-
-: Now see which are supported on this system.
-avail_ext=''
-for xxx in $known_extensions ; do
- case "$xxx" in
- DB_File) case "$i_db" in
- $define) avail_ext="$avail_ext $xxx" ;;
- esac
- ;;
- GDBM_File) case "$i_gdbm" in
- $define) avail_ext="$avail_ext $xxx" ;;
- esac
- ;;
- NDBM_File) case "$i_ndbm" in
- $define) avail_ext="$avail_ext $xxx" ;;
- esac
- ;;
- ODBM_File) case "$i_dbm" in
- $define) avail_ext="$avail_ext $xxx" ;;
- esac
- ;;
- POSIX) case "$useposix" in
- true|define|y) avail_ext="$avail_ext $xxx" ;;
- esac
- ;;
- Socket) case "$d_socket" in
- $define) avail_ext="$avail_ext $xxx" ;;
- esac
- ;;
- *) avail_ext="$avail_ext $xxx"
- ;;
- esac
-done
-
-set X $avail_ext
-shift
-avail_ext="$*"
+ ;;
+*) dflt="$alignbytes"
+ ;;
+esac
+rp="Doubles must be aligned on a how-many-byte boundary?"
+. ./myread
+alignbytes="$ans"
+$rm -f try.c try
-case $usedl in
-$define)
- $cat <<EOM
-A number of extensions are supplied with $package. You may choose to
-compile these extensions for dynamic loading (the default), compile
-them into the $package executable (static loading), or not include
-them at all. Answer "none" to include no extensions.
+: Define several unixisms. Hints files or command line options
+: can be used to override them.
+case "$ar" in
+'') ar='ar';;
+esac
+case "$lib_ext" in
+'') lib_ext='.a';;
+esac
+case "$obj_ext" in
+'') obj_ext='.o';;
+esac
+case "$path_sep" in
+'') path_sep=':';;
+esac
+: Which makefile gets called first. This is used by make depend.
+case "$firstmakefile" in
+'') firstmakefile='makefile';;
+esac
+: check for ordering of bytes in a long
+case "$byteorder" in
+'')
+ $cat <<'EOM'
+
+In the following, larger digits indicate more significance. A big-endian
+machine like a Pyramid or a Motorola 680?0 chip will come out to 4321. A
+little-endian machine like a Vax or an Intel 80?86 chip would be 1234. Other
+machines may have weird orders like 3412. A Cray will report 87654321. If
+the test program works the default is probably right.
+I'm now running the test program...
EOM
- case "$dynamic_ext" in
- '') dflt="$avail_ext" ;;
- *) dflt="$dynamic_ext" ;;
- esac
- case "$dflt" in
- '') dflt=none;;
- esac
- rp="What extensions do you wish to load dynamically?"
- . ./myread
- case "$ans" in
- none) dynamic_ext=' ' ;;
- *) dynamic_ext="$ans" ;;
- esac
+ $cat >try.c <<'EOCP'
+#include <stdio.h>
+main()
+{
+ int i;
+ union {
+ unsigned long l;
+ char c[sizeof(long)];
+ } u;
- case "$static_ext" in
- '')
- : Exclude those already listed in dynamic linking
- dflt=''
- for xxx in $avail_ext; do
- case " $dynamic_ext " in
- *" $xxx "*) ;;
- *) dflt="$dflt $xxx" ;;
- esac
- done
- set X $dflt
- shift
- dflt="$*"
+ if (sizeof(long) > 4)
+ u.l = (0x08070605L << 32) | 0x04030201L;
+ else
+ u.l = 0x04030201L;
+ for (i = 0; i < sizeof(long); i++)
+ printf("%c", u.c[i]+'0');
+ printf("\n");
+ exit(0);
+}
+EOCP
+ xxx_prompt=y
+ if $cc $ccflags try.c -o try >/dev/null 2>&1 && ./try > /dev/null; then
+ dflt=`./try`
+ case "$dflt" in
+ [1-4][1-4][1-4][1-4]|12345678|87654321)
+ echo "(The test program ran ok.)"
+ echo "byteorder=$dflt"
+ xxx_prompt=n
+ ;;
+ ????|????????) echo "(The test program ran ok.)" ;;
+ *) echo "(The test program didn't run right for some reason.)" ;;
+ esac
+ else
+ dflt='4321'
+ cat <<'EOM'
+(I can't seem to compile the test program. Guessing big-endian...)
+EOM
+ fi
+ case "$xxx_prompt" in
+ y)
+ rp="What is the order of bytes in a long?"
+ . ./myread
+ byteorder="$ans"
;;
- *) dflt="$static_ext"
+ *) byteorder=$dflt
;;
esac
+ ;;
+esac
+$rm -f try.c try
- case "$dflt" in
- '') dflt=none;;
- esac
- rp="What extensions do you wish to load statically?"
- . ./myread
- case "$ans" in
- none) static_ext=' ' ;;
- *) static_ext="$ans" ;;
- esac
+: how do we catenate cpp tokens here?
+echo " "
+echo "Checking to see how your cpp does stuff like catenate tokens..." >&4
+$cat >cpp_stuff.c <<'EOCP'
+#define RCAT(a,b)a/**/b
+#define ACAT(a,b)a ## b
+RCAT(Rei,ser)
+ACAT(Cir,cus)
+EOCP
+$cppstdin $cppflags $cppminus <cpp_stuff.c >cpp_stuff.out 2>&1
+if $contains 'Circus' cpp_stuff.out >/dev/null 2>&1; then
+ echo "Oh! Smells like ANSI's been here."
+ echo "We can catify or stringify, separately or together!"
+ cpp_stuff=42
+elif $contains 'Reiser' cpp_stuff.out >/dev/null 2>&1; then
+ echo "Ah, yes! The good old days!"
+ echo "However, in the good old days we don't know how to stringify and"
+ echo "catify at the same time."
+ cpp_stuff=1
+else
+ $cat >&4 <<EOM
+Hmm, I don't seem to be able to catenate tokens with your cpp. You're going
+to have to edit the values of CAT[2-5] in config.h...
+EOM
+ cpp_stuff="/* Help! How do we handle cpp_stuff? */*/"
+fi
+$rm -f cpp_stuff.*
+
+: see if this is a db.h system
+set db.h i_db
+eval $inhdr
+
+case "$i_db" in
+define)
+ : Check the return type needed for hash
+ echo " "
+ echo "Checking return type needed for hash for Berkeley DB ..." >&4
+ $cat >try.c <<EOCP
+#$d_const HASCONST
+#ifndef HASCONST
+#define const
+#endif
+#include <sys/types.h>
+#include <db.h>
+u_int32_t hash_cb (ptr, size)
+const void *ptr;
+size_t size;
+{
+}
+HASHINFO info;
+main()
+{
+ info.hash = hash_cb;
+}
+EOCP
+ if $cc $ccflags -c try.c >try.out 2>&1 ; then
+ if $contains warning try.out >>/dev/null 2>&1 ; then
+ db_hashtype='int'
+ else
+ db_hashtype='u_int32_t'
+ fi
+ else
+ echo "I can't seem to compile the test program." >&4
+ db_hashtype=int
+ fi
+ $rm -f try.*
+ echo "Your version of Berkeley DB uses $db_hashtype for hash."
+ ;;
+*) db_hashtype=int
+ ;;
+esac
+
+case "$i_db" in
+define)
+ : Check the return type needed for prefix
+ echo " "
+ echo "Checking return type needed for prefix for Berkeley DB ..." >&4
+ cat >try.c <<EOCP
+#$d_const HASCONST
+#ifndef HASCONST
+#define const
+#endif
+#include <sys/types.h>
+#include <db.h>
+size_t prefix_cb (key1, key2)
+const DBT *key1;
+const DBT *key2;
+{
+}
+BTREEINFO info;
+main()
+{
+ info.prefix = prefix_cb;
+}
+EOCP
+ if $cc $ccflags -c try.c >try.out 2>&1 ; then
+ if $contains warning try.out >>/dev/null 2>&1 ; then
+ db_prefixtype='int'
+ else
+ db_prefixtype='size_t'
+ fi
+ else
+ echo "I can't seem to compile the test program." >&4
+ db_prefixtype='int'
+ fi
+ $rm -f try.*
+ echo "Your version of Berkeley DB uses $db_prefixtype for prefix."
;;
-*)
- $cat <<EOM
-A number of extensions are supplied with $package. Answer "none"
-to include no extensions.
+*) db_prefixtype='int'
+ ;;
+esac
+: check for void type
+echo " "
+echo "Checking to see how well your C compiler groks the void type..." >&4
+echo " "
+$cat >&4 <<EOM
+ Support flag bits are:
+ 1: basic void declarations.
+ 2: arrays of pointers to functions returning void.
+ 4: operations between pointers to and addresses of void functions.
+ 8: generic void pointers.
EOM
- case "$static_ext" in
- '') dflt="$avail_ext" ;;
- *) dflt="$static_ext" ;;
- esac
+echo " "
+case "$voidflags" in
+'')
+ $cat >try.c <<'EOCP'
+#if TRY & 1
+void main() {
+#else
+main() {
+#endif
+ extern void moo(); /* function returning void */
+ void (*goo)(); /* ptr to func returning void */
+#if TRY & 8
+ void *hue; /* generic ptr */
+#endif
+#if TRY & 2
+ void (*foo[10])();
+#endif
- case "$dflt" in
- '') dflt=none;;
- esac
- rp="What extensions do you wish to include?"
+#if TRY & 4
+ if(goo == moo) {
+ exit(0);
+ }
+#endif
+ exit(0);
+}
+EOCP
+ if $cc -c -DTRY=$defvoidused try.c >.out 2>&1 ; then
+ voidflags=$defvoidused
+ echo "It appears to support void to the level $package wants ($defvoidused)."
+ if $contains warning .out >/dev/null 2>&1; then
+ echo "However, you might get some warnings that look like this:"
+ $cat .out
+ fi
+ else
+echo "Hmm, your compiler has some difficulty with void. Checking further..." >&4
+ if $cc -c -DTRY=1 try.c >/dev/null 2>&1 ; then
+ echo "It supports 1..."
+ if $cc -c -DTRY=3 try.c >/dev/null 2>&1 ; then
+ echo "It also supports 2..."
+ if $cc -c -DTRY=7 try.c >/dev/null 2>&1 ; then
+ voidflags=7
+ echo "And it supports 4 but not 8 definitely."
+ else
+ echo "It doesn't support 4..."
+ if $cc -c -DTRY=11 try.c >/dev/null 2>&1 ; then
+ voidflags=11
+ echo "But it supports 8."
+ else
+ voidflags=3
+ echo "Neither does it support 8."
+ fi
+ fi
+ else
+ echo "It does not support 2..."
+ if $cc -c -DTRY=13 try.c >/dev/null 2>&1 ; then
+ voidflags=13
+ echo "But it supports 4 and 8."
+ else
+ if $cc -c -DTRY=5 try.c >/dev/null 2>&1 ; then
+ voidflags=5
+ echo "And it supports 4 but has not heard about 8."
+ else
+ echo "However it supports 8 but not 4."
+ fi
+ fi
+ fi
+ else
+ echo "There is no support at all for void."
+ voidflags=0
+ fi
+ fi
+esac
+: Only prompt user if support does not match the level we want
+case "$voidflags" in
+"$defvoidused") ;;
+*)
+ dflt="$voidflags";
+ rp="Your void support flags add up to what?"
. ./myread
- case "$ans" in
- none) static_ext=' ' ;;
- *) static_ext="$ans" ;;
- esac
+ voidflags="$ans"
;;
esac
-
-set X $dynamic_ext $static_ext
-shift
-extensions="$*"
+$rm -f try.* .out
: see what type file positions are declared as in the library
set fpos_t fpostype long stdio.h sys/types.h
. ./myread
lseektype="$ans"
-: determine where manual pages go
-set mansrc mansrc none
-eval $prefixit
-$cat <<EOM
-
-$spackage has manual pages available in source form.
-EOM
-case "$nroff" in
-nroff)
- echo "However, you don't have nroff, so they're probably useless to you."
- case "$mansrc" in
- '') mansrc="none";;
- esac;;
-esac
-echo "If you don't want the manual sources installed, answer 'none'."
-case "$mansrc" in
-'')
- lookpath="$prefixexp/man/man1 $prefixexp/man/u_man/man1"
- lookpath="$lookpath $prefixexp/man/l_man/man1"
- lookpath="$lookpath /usr/local/man/man1 /opt/man/man1 /usr/man/manl"
- lookpath="$lookpath /usr/man/local/man1 /usr/man/l_man/man1"
- lookpath="$lookpath /usr/local/man/u_man/man1 /usr/local/man/l_man/man1"
- lookpath="$lookpath /usr/man/man.L"
- mansrc=`./loc . $prefixexp/man/man1 $lookpath`
- if $test -d "$mansrc"; then
- dflt="$mansrc"
- else
- dflt="$sysman"
- fi
- set dflt
- eval $prefixup
- ;;
-' ') dflt=none;;
-*) dflt="$mansrc"
- ;;
-esac
-echo " "
-fn=dn~
-rp='Where do the manual pages (source) go?'
-. ./getfile
-if test "X$mansrcexp" != "X$ansexp"; then
- installmansrc=''
-fi
-mansrc="$ans"
-mansrcexp="$ansexp"
-case "$mansrc" in
-'') mansrc=' '
- installmansrc='';;
-esac
-if $afs; then
- $cat <<EOM
-
-Since you are running AFS, I need to distinguish the directory in which
-manual pages reside from the directory in which they are installed (and from
-which they are presumably copied to the former directory by occult means).
-
-EOM
- case "$installmansrc" in
- '') dflt=`echo $mansrcexp | sed 's#^/afs/#/afs/.#'`;;
- *) dflt="$installmansrc";;
- esac
- fn=de~
- rp='Where will man pages be installed?'
- . ./getfile
- installmansrc="$ans"
-else
- installmansrc="$mansrcexp"
-fi
-
-case "$mansrc" in
-' ') manext='0';;
-*l) manext=l;;
-*n) manext=n;;
-*o) manext=l;;
-*p) manext=n;;
-*C) manext=C;;
-*L) manext=L;;
-*L1) manext=L1;;
-*) manext=1;;
-esac
-
: see what type is used for mode_t
set mode_t modetype int stdio.h sys/types.h
eval $typedef
. ./myread
modetype="$ans"
-: set the base revision
-baserev=5.0
-
-: get the patchlevel
+: locate the preferred pager for this system
+case "$pager" in
+'')
+ dflt=''
+ case "$pg" in
+ /*) dflt=$pg;;
+ esac
+ case "$more" in
+ /*) dflt=$more;;
+ esac
+ case "$less" in
+ /*) dflt=$less;;
+ esac
+ case "$dflt" in
+ '') dflt=/usr/ucb/more;;
+ esac
+ ;;
+*) dflt="$pager";;
+esac
echo " "
-echo "Getting the current patchlevel..." >&4
-if $test -r ../patchlevel.h;then
- patchlevel=`awk '/PATCHLEVEL/ {print $3}' < ../patchlevel.h`
-else
- patchlevel=0
-fi
-echo "(You have $package $baserev PL$patchlevel.)"
+fn=f/
+rp='What pager is used on your system?'
+. ./getfile
+pager="$ans"
: Cruising for prototypes
echo " "
fi
$rm -f foo* bar*
-: determine where public executable scripts go
-set scriptdir scriptdir
-eval $prefixit
-case "$scriptdir" in
-'')
- dflt="$bin"
- : guess some guesses
- $test -d /usr/share/scripts && dflt=/usr/share/scripts
- $test -d /usr/share/bin && dflt=/usr/share/bin
- $test -d /usr/local/script && dflt=/usr/local/script
- $test -d $prefixexp/script && dflt=$prefixexp/script
- set dflt
- eval $prefixup
- ;;
-*) dflt="$scriptdir"
- ;;
-esac
-$cat <<EOM
-
-Some installations have a separate directory just for executable scripts so
-that they can mount it across multiple architectures but keep the scripts in
-one spot. You might, for example, have a subdirectory of /usr/share for this.
-Or you might just lump your scripts in with all your other executables.
-
-EOM
-fn=d~
-rp='Where do you keep publicly executable scripts?'
-. ./getfile
-if $test "X$ansexp" != "X$scriptdirexp"; then
- installscript=''
-fi
-scriptdir="$ans"
-scriptdirexp="$ansexp"
-if $afs; then
- $cat <<EOM
-
-Since you are running AFS, I need to distinguish the directory in which
-scripts reside from the directory in which they are installed (and from
-which they are presumably copied to the former directory by occult means).
-
-EOM
- case "$installscript" in
- '') dflt=`echo $scriptdirexp | sed 's#^/afs/#/afs/.#'`;;
- *) dflt="$installscript";;
- esac
- fn=de~
- rp='Where will public scripts be installed?'
- . ./getfile
- installscript="$ans"
-else
- installscript="$scriptdirexp"
-fi
-
: see if sys/select.h has to be included
set sys/select.h i_sysselct
eval $inhdr
}
EOCP
flags=''
-s_timezone=''
+for s_timezone in '-DS_TIMEZONE' ''; do
sysselect=''
for s_timeval in '-DS_TIMEVAL' ''; do
for i_systimek in '' '-DSYSTIMEKERNEL'; do
done
done
done
+done
timeincl=''
echo " "
case "$flags" in
fi
$rm -f try.[co]
;;
-*) selecttype = 'int *'
+*) selecttype='int *'
;;
esac
-: generate list of signal names
-echo " "
-case "$sig_name" in
-'')
- echo "Generating a list of signal names..." >&4
- xxx=`./findhdr signal.h`" "`./findhdr sys/signal.h`" "`./findhdr linux/signal.h`
- set X `cat $xxx 2>&1 | $awk '
-$1 ~ /^#define$/ && $2 ~ /^SIG[A-Z0-9]*$/ && $3 ~ /^[1-9][0-9]*$/ {
- sig[$3] = substr($2,4,20)
- if (max < $3 && $3 < 60) {
- max = $3
- }
+: Trace out the files included by signal.h, then look for SIGxxx names.
+: Remove SIGARRAYSIZE used by HPUX.
+: Remove SIGTYP void lines used by OS2.
+xxx=`echo '#include <signal.h>' |
+ $cppstdin $cppminus $cppflags 2>/dev/null |
+ $grep '^[ ]*#.*include' |
+ $awk "{print \\$$fieldn}" | $sed 's!"!!g' | $sort | $uniq`
+: Check this list of files to be sure we have parsed the cpp output ok.
+: This will also avoid potentially non-existent files, such
+: as ../foo/bar.h
+xxxfiles=''
+for xx in $xxx /dev/null ; do
+ $test -f "$xx" && xxxfiles="$xxxfiles $xx"
+done
+: If we have found no files, at least try signal.h
+case "$xxxfiles" in
+'') xxxfiles=`./findhdr signal.h` ;;
+esac
+xxx=`awk '
+$1 ~ /^#define$/ && $2 ~ /^SIG[A-Z0-9]*$/ && $2 !~ /SIGARRAYSIZE/ && $3 !~ /void/ {
+ print substr($2, 4, 20)
+}
+$1 == "#" && $2 ~ /^define$/ && $3 ~ /^SIG[A-Z0-9]*$/ && $3 !~ /SIGARRAYSIZE/ && $4 !~ /void/ {
+ print substr($3, 4, 20)
+}' $xxxfiles`
+: Append some common names just in case the awk scan failed.
+xxx="$xxx ABRT ALRM BUS CHLD CLD CONT DIL EMT FPE HUP ILL INT IO IOT KILL"
+xxx="$xxx LOST PHONE PIPE POLL PROF PWR QUIT SEGV STKFLT STOP SYS TERM TRAP"
+xxx="$xxx TSTP TTIN TTOU URG USR1 USR2 USR3 USR4 VTALRM"
+xxx="$xxx WINCH WIND WINDOW XCPU XFSZ"
+: generate a few handy files for later
+$cat > signal.c <<'EOP'
+#include <sys/types.h>
+#include <signal.h>
+int main() {
+#ifdef NSIG
+printf("NSIG %d\n", NSIG);
+#else
+#ifdef _NSIG
+printf("NSIG %d\n", _NSIG);
+#endif
+#endif
+EOP
+echo $xxx | $tr ' ' '\012' | $sort | $uniq | $awk '
+{
+ printf "#ifdef SIG"; printf $1; printf "\n"
+ printf "printf(\""; printf $1; printf " %%d\\n\",SIG";
+ printf $1; printf ");\n"
+ printf "#endif\n"
}
-
END {
- for (i = 1; i <= max; i++) {
- if (sig[i] == "")
- printf "%d", i
- else
- printf "%s", sig[i]
- if (i < max)
- printf " "
+ printf "}\n";
+}
+' >>signal.c
+$cat >signal.awk <<'EOP'
+BEGIN { ndups = 0 }
+$1 ~ /^NSIG$/ { nsig = $2 }
+($1 !~ /^NSIG$/) && (NF == 2) {
+ if ($2 > maxsig) { maxsig = $2 }
+ if (sig_name[$2]) {
+ dup_name[ndups] = $1
+ dup_num[ndups] = $2
+ ndups++
+ }
+ else {
+ sig_name[$2] = $1
+ sig_num[$2] = $2
+ }
+
+}
+END {
+ if (nsig == 0) { nsig = maxsig + 1 }
+ for (n = 1; n < nsig; n++) {
+ if (sig_name[n]) {
+ printf("%s %d\n", sig_name[n], sig_num[n])
+ }
+ else {
+ printf("NUM%d %d\n", n, n)
+ }
}
- printf "\n"
+ for (n = 0; n < ndups; n++) {
+ printf("%s %d\n", dup_name[n], dup_num[n])
+ }
}
-'`
+EOP
+$cat >signal_cmd <<EOS
+$startsh
+$test -s signal.lst && exit 0
+if $cc $ccflags signal.c -o signal $ldflags >/dev/null 2>&1; then
+ ./signal | $sort -n +1 | $uniq | $awk -f signal.awk >signal.lst
+else
+ echo "(I can't seem be able to compile the test program -- Guessing)"
+ echo 'kill -l' >signal
+ set X \`csh -f <signal\`
+ $rm -f signal
shift
- case $# in
- 0)
- echo 'kill -l' >/tmp/foo$$
- set X `csh -f </tmp/foo$$`
- $rm -f /tmp/foo$$
- shift
- case $# in
- 0)set HUP INT QUIT ILL TRAP IOT EMT FPE KILL BUS SEGV SYS PIPE ALRM TERM
- ;;
- esac
- ;;
+ case \$# in
+ 0) set HUP INT QUIT ILL TRAP ABRT EMT FPE KILL BUS SEGV SYS PIPE ALRM TERM;;
esac
- sig_name="ZERO $*"
+ echo \$@ | $tr ' ' '\012' | \
+ $awk '{ printf $1; printf " %d\n", ++s; }' >signal.lst
+fi
+$rm -f signal.c signal signal.o
+EOS
+chmod a+x signal_cmd
+$eunicefix signal_cmd
+
+: generate list of signal names
+echo " "
+case "$sig_name" in
+'') sig_num='' ;;
+esac
+case "$sig_num" in
+'') sig_name='' ;;
+esac
+case "$sig_name" in
+'')
+ echo "Generating a list of signal names and numbers..." >&4
+ ./signal_cmd
+ sig_name=`$awk '{printf "%s ", $1}' signal.lst`
+ sig_name="ZERO $sig_name"
+ sig_num=`$awk '{printf "%d ", $2}' signal.lst`
+ sig_num="0 $sig_num"
;;
esac
echo "The following signals are available:"
echo $sig_name | $awk \
'BEGIN { linelen = 0 }
{
- for (i = 1; i < NF; i++) {
+ for (i = 1; i <= NF; i++) {
name = "SIG" $i " "
linelen = linelen + length(name)
if (linelen > 70) {
}
printf "%s", name
}
+ printf "\n"
}'
-echo " "
+$rm -f signal signal.c signal.awk signal.lst signal_cmd
: see what type is used for size_t
set size_t sizetype 'unsigned int' stdio.h sys/types.h
eval $typedef
dflt="$timetype"
echo " "
- rp="What type is returned by time() on this sytem?"
+ rp="What type is returned by time() on this system?"
. ./myread
timetype="$ans"
else
. ./myread
uidtype="$ans"
+: see if dbm.h is available
+: see if dbmclose exists
+set dbmclose d_dbmclose
+eval $inlibc
+
+case "$d_dbmclose" in
+$define)
+ set dbm.h i_dbm
+ eval $inhdr
+ case "$i_dbm" in
+ $define)
+ val="$undef"
+ set i_rpcsvcdbm
+ eval $setvar
+ ;;
+ *) set rpcsvc/dbm.h i_rpcsvcdbm
+ eval $inhdr
+ ;;
+ esac
+ ;;
+*) echo "We won't be including <dbm.h>"
+ val="$undef"
+ set i_dbm
+ eval $setvar
+ val="$undef"
+ set i_rpcsvcdbm
+ eval $setvar
+ ;;
+esac
+
: see if this is a sys/file.h system
val=''
set sys/file.h val
eval $inhdr
-: do we need to #include <sys/file.h> ?
+: do we need to include sys/file.h ?
case "$val" in
"$define")
echo " "
set grp.h i_grp
eval $inhdr
+: see if locale.h is available
+set locale.h i_locale
+eval $inhdr
+
: see if this is a math.h system
set math.h i_math
eval $inhdr
set i_memory
eval $setvar
+: see if ndbm.h is available
+set ndbm.h t_ndbm
+eval $inhdr
+case "$t_ndbm" in
+$define)
+ : see if dbm_open exists
+ set dbm_open d_dbm_open
+ eval $inlibc
+ case "$d_dbm_open" in
+ $undef)
+ t_ndbm="$undef"
+ echo "We won't be including <ndbm.h>"
+ ;;
+ esac
+ ;;
+esac
+val="$t_ndbm"
+set i_ndbm
+eval $setvar
+
: see if net/errno.h is available
val=''
set net/errno.h val
chmod +x ccsym
$eunicefix ccsym
./ccsym | $sort | $uniq >ccsym.raw
-$awk '/\=/ { print $0; next } { print $0"=1" }' ccsym.raw >ccsym.list
+$awk '/\=/ { print $0; next }
+ { print $0"=1" }' ccsym.raw >ccsym.list
$awk '{ print $0"=1" }' Cppsym.true >ccsym.true
$comm -13 ccsym.true ccsym.list >ccsym.own
$comm -12 ccsym.true ccsym.list >ccsym.com
}
EOP
$cat > varargs <<EOP
+$startsh
if $cc -c $ccflags -D\$1 varargs.c >/dev/null 2>&1; then
echo "true"
else
set sys/types.h i_systypes
eval $inhdr
+: see if this is a sys/un.h system
+set sys/un.h i_sysun
+eval $inhdr
+
: see if this is a unistd.h system
set unistd.h i_unistd
eval $inhdr
;;
esac
+: see if gdbm.h is available
+set gdbm.h t_gdbm
+eval $inhdr
+case "$t_gdbm" in
+$define)
+ : see if gdbm_open exists
+ set gdbm_open d_gdbm_open
+ eval $inlibc
+ case "$d_gdbm_open" in
+ $undef)
+ t_gdbm="$undef"
+ echo "We won't be including <gdbm.h>"
+ ;;
+ esac
+ ;;
+esac
+val="$t_gdbm"
+set i_gdbm
+eval $setvar
+
+echo " "
+echo "Looking for extensions..." >&4
+cd ../ext
+: If we are using the old config.sh, known_extensions may contain
+: old or inaccurate or duplicate values.
+known_extensions=''
+: We do not use find because it might not be available.
+: We do not just use MANIFEST because the user may have dropped
+: some additional extensions into the source tree and expect them
+: to be built.
+for xxx in * ; do
+ if $test -f $xxx/$xxx.xs; then
+ known_extensions="$known_extensions $xxx"
+ else
+ if $test -d $xxx; then
+ cd $xxx
+ for yyy in * ; do
+ if $test -f $yyy/$yyy.xs; then
+ known_extensions="$known_extensions $xxx/$yyy"
+ fi
+ done
+ cd ..
+ fi
+ fi
+done
+set X $known_extensions
+shift
+known_extensions="$*"
+cd ../UU
+
+: Now see which are supported on this system.
+avail_ext=''
+for xxx in $known_extensions ; do
+ case "$xxx" in
+ DB_File) case "$i_db" in
+ $define) avail_ext="$avail_ext $xxx" ;;
+ esac
+ ;;
+ GDBM_File) case "$i_gdbm" in
+ $define) avail_ext="$avail_ext $xxx" ;;
+ esac
+ ;;
+ NDBM_File) case "$i_ndbm" in
+ $define) avail_ext="$avail_ext $xxx" ;;
+ esac
+ ;;
+ ODBM_File) case "${i_dbm}${i_rpcsvcdbm}" in
+ *"${define}"*) avail_ext="$avail_ext $xxx" ;;
+ esac
+ ;;
+ POSIX) case "$useposix" in
+ true|define|y) avail_ext="$avail_ext $xxx" ;;
+ esac
+ ;;
+ SAFE) case "$usesafe" in
+ true|define|y) avail_ext="$avail_ext $xxx" ;;
+ esac
+ ;;
+ Socket) case "$d_socket" in
+ $define) avail_ext="$avail_ext $xxx" ;;
+ esac
+ ;;
+ *) avail_ext="$avail_ext $xxx"
+ ;;
+ esac
+done
+
+set X $avail_ext
+shift
+avail_ext="$*"
+
+case $usedl in
+$define)
+ $cat <<EOM
+A number of extensions are supplied with $package. You may choose to
+compile these extensions for dynamic loading (the default), compile
+them into the $package executable (static loading), or not include
+them at all. Answer "none" to include no extensions.
+
+EOM
+ case "$dynamic_ext" in
+ '') dflt="$avail_ext" ;;
+ *) dflt="$dynamic_ext" ;;
+ esac
+ case "$dflt" in
+ '') dflt=none;;
+ esac
+ rp="What extensions do you wish to load dynamically?"
+ . ./myread
+ case "$ans" in
+ none) dynamic_ext=' ' ;;
+ *) dynamic_ext="$ans" ;;
+ esac
+
+ case "$static_ext" in
+ '')
+ : Exclude those already listed in dynamic linking
+ dflt=''
+ for xxx in $avail_ext; do
+ case " $dynamic_ext " in
+ *" $xxx "*) ;;
+ *) dflt="$dflt $xxx" ;;
+ esac
+ done
+ set X $dflt
+ shift
+ dflt="$*"
+ ;;
+ *) dflt="$static_ext"
+ ;;
+ esac
+
+ case "$dflt" in
+ '') dflt=none;;
+ esac
+ rp="What extensions do you wish to load statically?"
+ . ./myread
+ case "$ans" in
+ none) static_ext=' ' ;;
+ *) static_ext="$ans" ;;
+ esac
+ ;;
+*)
+ $cat <<EOM
+A number of extensions are supplied with $package. Answer "none"
+to include no extensions.
+
+EOM
+ case "$static_ext" in
+ '') dflt="$avail_ext" ;;
+ *) dflt="$static_ext" ;;
+ esac
+
+ case "$dflt" in
+ '') dflt=none;;
+ esac
+ rp="What extensions do you wish to include?"
+ . ./myread
+ case "$ans" in
+ none) static_ext=' ' ;;
+ *) static_ext="$ans" ;;
+ esac
+ ;;
+esac
+
+set X $dynamic_ext $static_ext
+shift
+extensions="$*"
+
+: Remove build directory name from cppstdin so it can be used from
+: either the present location or the final installed location.
+echo " "
+: Get out of the UU directory to get correct path name.
+cd ..
+case "$cppstdin" in
+`pwd`/cppstdin)
+ echo "Stripping down cppstdin path name"
+ cppstdin=cppstdin
+ ;;
+esac
+cd UU
+
: end of configuration questions
echo " "
echo "End of configuration questions."
afs='$afs'
alignbytes='$alignbytes'
aphostname='$aphostname'
+ar='$ar'
archlib='$archlib'
archlibexp='$archlibexp'
archname='$archname'
+archobjs='$archobjs'
awk='$awk'
baserev='$baserev'
bash='$bash'
ccdlflags='$ccdlflags'
ccflags='$ccflags'
cf_by='$cf_by'
+cf_email='$cf_email'
cf_time='$cf_time'
chgrp='$chgrp'
chmod='$chmod'
d_dlsymun='$d_dlsymun'
d_dosuid='$d_dosuid'
d_dup2='$d_dup2'
+d_eofnblk='$d_eofnblk'
d_eunice='$d_eunice'
d_fchmod='$d_fchmod'
d_fchown='$d_fchown'
d_isascii='$d_isascii'
d_killpg='$d_killpg'
d_link='$d_link'
-d_linuxstd='$d_linuxstd'
d_locconv='$d_locconv'
d_lockf='$d_lockf'
d_lstat='$d_lstat'
d_msgsnd='$d_msgsnd'
d_mymalloc='$d_mymalloc'
d_nice='$d_nice'
+d_oldarchlib='$d_oldarchlib'
d_oldsock='$d_oldsock'
d_open3='$d_open3'
d_pathconf='$d_pathconf'
d_pause='$d_pause'
d_phostname='$d_phostname'
d_pipe='$d_pipe'
+d_poll='$d_poll'
d_portable='$d_portable'
d_pwage='$d_pwage'
d_pwchange='$d_pwchange'
d_shmdt='$d_shmdt'
d_shmget='$d_shmget'
d_shrplib='$d_shrplib'
+d_sigaction='$d_sigaction'
+d_sigintrp='$d_sigintrp'
+d_sigsetjmp='$d_sigsetjmp'
+d_sigvec='$d_sigvec'
+d_sigvectr='$d_sigvectr'
d_socket='$d_socket'
d_sockpair='$d_sockpair'
d_statblks='$d_statblks'
+d_stdio_cnt_lval='$d_stdio_cnt_lval'
+d_stdio_ptr_lval='$d_stdio_ptr_lval'
+d_stdiobase='$d_stdiobase'
d_stdstdio='$d_stdstdio'
d_strchr='$d_strchr'
d_strcoll='$d_strcoll'
dlext='$dlext'
dlsrc='$dlsrc'
dynamic_ext='$dynamic_ext'
+eagain='$eagain'
echo='$echo'
egrep='$egrep'
emacs='$emacs'
eunicefix='$eunicefix'
+exe_ext='$exe_ext'
expr='$expr'
extensions='$extensions'
find='$find'
+firstmakefile='$firstmakefile'
flex='$flex'
fpostype='$fpostype'
freetype='$freetype'
i_gdbm='$i_gdbm'
i_grp='$i_grp'
i_limits='$i_limits'
+i_locale='$i_locale'
i_malloc='$i_malloc'
i_math='$i_math'
i_memory='$i_memory'
i_neterrno='$i_neterrno'
i_niin='$i_niin'
i_pwd='$i_pwd'
+i_rpcsvcdbm='$i_rpcsvcdbm'
i_sgtty='$i_sgtty'
i_stdarg='$i_stdarg'
i_stddef='$i_stddef'
i_systimek='$i_systimek'
i_systimes='$i_systimes'
i_systypes='$i_systypes'
+i_sysun='$i_sysun'
i_termio='$i_termio'
i_termios='$i_termios'
i_time='$i_time'
inews='$inews'
installarchlib='$installarchlib'
installbin='$installbin'
-installmansrc='$installmansrc'
+installman1dir='$installman1dir'
+installman3dir='$installman3dir'
installprivlib='$installprivlib'
installscript='$installscript'
+installsitearch='$installsitearch'
+installsitelib='$installsitelib'
intsize='$intsize'
known_extensions='$known_extensions'
ksh='$ksh'
lddlflags='$lddlflags'
ldflags='$ldflags'
less='$less'
+lib_ext='$lib_ext'
libc='$libc'
libpth='$libpth'
libs='$libs'
lkflags='$lkflags'
ln='$ln'
lns='$lns'
+locincpth='$locincpth'
+loclibpth='$loclibpth'
lp='$lp'
lpr='$lpr'
ls='$ls'
mallocobj='$mallocobj'
mallocsrc='$mallocsrc'
malloctype='$malloctype'
-manext='$manext'
-mansrc='$mansrc'
-mansrcexp='$mansrcexp'
+man1dir='$man1dir'
+man1direxp='$man1direxp'
+man1ext='$man1ext'
+man3dir='$man3dir'
+man3direxp='$man3direxp'
+man3ext='$man3ext'
medium='$medium'
mips='$mips'
mips_type='$mips_type'
myuname='$myuname'
n='$n'
nm_opt='$nm_opt'
+nm_so_opt='$nm_so_opt'
nroff='$nroff'
+o_nonblock='$o_nonblock'
+obj_ext='$obj_ext'
+oldarchlib='$oldarchlib'
+oldarchlibexp='$oldarchlibexp'
optimize='$optimize'
orderlib='$orderlib'
osname='$osname'
osvers='$osvers'
package='$package'
+pager='$pager'
passcat='$passcat'
patchlevel='$patchlevel'
+path_sep='$path_sep'
perl='$perl'
+perladmin='$perladmin'
+perlpath='$perlpath'
pg='$pg'
phostname='$phostname'
plibpth='$plibpth'
prototype='$prototype'
randbits='$randbits'
ranlib='$ranlib'
+rd_nodata='$rd_nodata'
rm='$rm'
rmail='$rmail'
runnm='$runnm'
shrpdir='$shrpdir'
shsharp='$shsharp'
sig_name='$sig_name'
+sig_num='$sig_num'
signal_t='$signal_t'
+sitearch='$sitearch'
+sitearchexp='$sitearchexp'
+sitelib='$sitelib'
+sitelibexp='$sitelibexp'
sizetype='$sizetype'
sleep='$sleep'
smail='$smail'
spitshell='$spitshell'
split='$split'
ssizetype='$ssizetype'
+startperl='$startperl'
startsh='$startsh'
static_ext='$static_ext'
stdchar='$stdchar'
+stdio_base='$stdio_base'
+stdio_bufsiz='$stdio_bufsiz'
+stdio_cnt='$stdio_cnt'
+stdio_ptr='$stdio_ptr'
strings='$strings'
submit='$submit'
+subversion='$subversion'
sysman='$sysman'
tail='$tail'
tar='$tar'
usemymalloc='$usemymalloc'
usenm='$usenm'
useposix='$useposix'
+usesafe='$usesafe'
usevfork='$usevfork'
usrinc='$usrinc'
uuname='$uuname'
https://perl5.git.perl.org / perl5.git / blobdiff