# archive site. Check with Archie if you don't know where that can be.)
#
-# $Id: Head.U,v 3.0.1.6 1994/10/29 15:54:19 ram Exp $
+# $Id: Head.U,v 3.0.1.8 1995/07/25 13:40:02 ram Exp $
#
-# Generated on Tue Jan 24 16:22:48 EST 1995 [metaconfig 3.0 PL48]
+# Generated on Sat Feb 1 00:26:40 EST 1997 [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:/. -a -n "$OS2_SHELL"; then
+ p_=\;
+ PATH=`cmd /c "echo %PATH%" | tr '\\\\' / `
+ OS2_SHELL=`cmd /c "echo %OS2_SHELL%" | tr '\\\\' / | tr '[A-Z]' '[a-z]'`
+fi
: Proper PATH setting
paths='/bin /usr/bin /usr/local/bin /usr/ucb /usr/local /usr/lbin'
-paths=$paths:'/usr/5bin /etc /usr/gnu/bin /usr/new /usr/new/bin /usr/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=$paths:'/etc /usr/lib /usr/ucblib /lib /usr/ccs/lib'
-paths=$paths:'/sbin /usr/sbin /usr/libexec'
+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"
+paths="$paths /sbin /usr/sbin /usr/libexec"
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
exit 1
fi
-: On HP-UX, large Configure scripts may exercise a bug in /bin/sh
-if test -f /hp-ux -a -f /bin/ksh; then
- if (PATH=.; alias -x) >/dev/null 2>&1; then
- : already under /bin/ksh
- else
+: Test and see if we are running under ksh, either blatantly or in disguise.
+if (PATH=.; alias -x) >/dev/null 2>&1; then
+ : running under ksh. Is this a good thing?
+ if test -d /usr/lpp -a -f /usr/bin/bsh -a -f /usr/bin/uname ; then
+ if test X`/usr/bin/uname -v` = X4 ; then
+ : on AIX 4, /bin/sh is really ksh, and it causes us problems.
+ : Avoid it
cat <<'EOM'
-(Feeding myself to ksh to avoid nasty sh bug in "here document" expansion.)
+(Feeding myself to /usr/bin/bsh to avoid AIX 4's /bin/sh.)
EOM
unset ENV
- exec /bin/ksh $0 "$@"
+ exec /usr/bin/bsh $0 "$@"
fi
-else
+ else
+ if test ! -f /hp-ux ; then
: Warn them if they use ksh on other systems
- (PATH=.; alias -x) >/dev/null 2>&1 && \
cat <<EOM
(I see you are using the Korn shell. Some ksh's blow up on $me,
-especially on exotic machines. If yours does, try the Bourne shell instead.)
+especially on older exotic systems. If yours does, try the Bourne
+shell instead.)
+EOM
+ fi
+ fi
+else
+ : Not running under ksh. Maybe we should be?
+ : On HP-UX, large Configure scripts may exercise a bug in /bin/sh
+ if test -f /hp-ux -a -f /bin/ksh; then
+ cat <<'EOM'
+(Feeding myself to ksh to avoid nasty sh bug in "here document" expansion.)
EOM
+ unset ENV
+ exec /bin/ksh $0 "$@"
+ fi
fi
: 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=''
+useopcode=''
useposix=''
d_bsd=''
d_eunice=''
flex=''
gcc=''
grep=''
+gzip=''
inews=''
ksh=''
less=''
ls=''
mail=''
mailx=''
-make=''
mkdir=''
more=''
mv=''
rmail=''
sed=''
sendmail=''
-sh=''
shar=''
sleep=''
smail=''
uuname=''
vi=''
zcat=''
+zip=''
+full_sed=''
libswanted=''
hint=''
myuname=''
Revision=''
Source=''
State=''
+ar=''
+archobjs=''
+exe_ext=''
+firstmakefile=''
+lib_ext=''
+obj_ext=''
+path_sep=''
afs=''
alignbytes=''
archlib=''
archlibexp=''
-archname=''
d_archlib=''
installarchlib=''
+archname=''
+myarchname=''
baserev=''
bin=''
binexp=''
installbin=''
+bincompat3=''
+d_bincompat3=''
byteorder=''
cc=''
gccversion=''
cppflags=''
ldflags=''
lkflags=''
+locincpth=''
optimize=''
+cf_email=''
cf_by=''
cf_time=''
contains=''
cryptlib=''
d_crypt=''
d_csh=''
+full_csh=''
d_cuserid=''
d_dbl_dig=''
d_difftime=''
d_dlsymun=''
d_dosuid=''
d_suidsafe=''
-d_drem=''
d_dup2=''
d_fchmod=''
d_fchown=''
d_fgetpos=''
d_flexfnam=''
d_flock=''
-d_fmod=''
d_fork=''
d_fsetpos=''
+d_ftime=''
+d_gettimeod=''
d_Gconvert=''
d_getgrps=''
d_gethent=''
d_phostname=''
d_uname=''
d_getlogin=''
+d_getpgid=''
d_getpgrp2=''
+d_bsdgetpgrp=''
d_getpgrp=''
d_getppid=''
d_getprior=''
-d_group=''
+d_gnulibc=''
d_htonl=''
+d_inetaton=''
d_isascii=''
d_killpg=''
d_link=''
-d_linuxstd=''
d_locconv=''
d_lockf=''
d_lstat=''
d_msgsnd=''
d_nice=''
d_open3=''
-d_passwd=''
d_fpathconf=''
d_pathconf=''
d_pause=''
d_pipe=''
+d_poll=''
d_portable=''
d_readdir=''
d_rewinddir=''
d_rmdir=''
d_safebcpy=''
d_safemcpy=''
+d_sanemcmp=''
d_select=''
d_sem=''
d_semctl=''
d_setpgid=''
d_setpgrp2=''
d_bsdpgrp=''
+d_bsdsetpgrp=''
d_setpgrp=''
d_setprior=''
d_setregid=''
d_setrgid=''
d_setruid=''
d_setsid=''
+d_sfio=''
+usesfio=''
d_shm=''
d_shmat=''
d_shmatprototype=''
d_shmctl=''
d_shmdt=''
d_shmget=''
+d_sigaction=''
+d_sigsetjmp=''
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=''
d_strerror=''
d_sysernlst=''
d_syserrlst=''
+d_strtod=''
+d_strtol=''
+d_strtoul=''
d_strxfrm=''
d_symlink=''
d_syscall=''
dlext=''
cccdlflags=''
ccdlflags=''
-d_shrplib=''
dlsrc=''
+ld=''
lddlflags=''
-shrpdir=''
usedl=''
fpostype=''
gidtype=''
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=''
d_pwexpire=''
d_pwquota=''
i_pwd=''
+i_sfio=''
i_stddef=''
i_stdlib=''
i_string=''
i_syssockio=''
i_sysndir=''
i_sysparam=''
+i_sysresrc=''
i_sysselct=''
+i_sysstat=''
i_systimes=''
+i_systypes=''
+i_sysun=''
+i_syswait=''
i_sgtty=''
i_termio=''
i_termios=''
timeincl=''
i_unistd=''
i_utime=''
+i_values=''
i_stdarg=''
i_varargs=''
i_varhdr=''
i_vfork=''
intsize=''
+longsize=''
+shortsize=''
libc=''
+libperl=''
+shrpenv=''
+useshrplib=''
glibpth=''
libpth=''
+loclibpth=''
plibpth=''
xlibpth=''
libs=''
lns=''
lseektype=''
+make=''
+make_set_make=''
d_mymalloc=''
+freetype=''
mallocobj=''
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=''
+subversion=''
+perladmin=''
+perlpath=''
prefix=''
+prefixexp=''
installprivlib=''
privlib=''
privlibexp=''
scriptdir=''
scriptdirexp=''
selecttype=''
+sh=''
sig_name=''
+sig_num=''
+installsitearch=''
+sitearch=''
+sitearchexp=''
+installsitelib=''
+sitelib=''
+sitelibexp=''
sizetype=''
so=''
sharpbang=''
shsharp=''
spitshell=''
ssizetype=''
+startperl=''
startsh=''
stdchar=''
sysman=''
uidtype=''
nm_opt=''
+nm_so_opt=''
runnm=''
usenm=''
+useperlio=''
incpath=''
mips=''
mips_type=''
al="$al u3b20d u3b5 ultrix unix unixpc unos vax venix vms"
al="$al xenix z8000"
-gccversion=''
groupstype=''
i_whoami=''
+: default library list
+libswanted=''
+: set useposix=false in your hint file to disable the POSIX extension.
+useposix=true
+: set useopcode=false in your hint file to disable the Opcode extension.
+useopcode=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 $xlibpth"
+glibpth="/shlib /usr/shlib /lib/pa1.1 /usr/lib/large"
+glibpth="$glibpth /lib /usr/lib $xlibpth"
glibpth="$glibpth /lib/large /usr/lib/small /lib/small"
-glibpth="$glibpth /usr/ccs/lib /usr/ucblib /usr/local/lib /usr/shlib"
+glibpth="$glibpth /usr/ccs/lib /usr/ucblib /usr/local/lib"
: 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='sfio net socket inet nsl nm ndbm gdbm dbm db malloc dl'
libswanted="$libswanted dld ld sun m c cposix posix ndir dir crypt"
libswanted="$libswanted ucb bsd BSD PW x"
-: We want to search /usr/shlib before most other libraries.
-: This is only used by ext/util/extliblist
+: We probably want to search /usr/shlib before most other libraries.
+: This is only used by the lib/ExtUtils/MakeMaker.pm routine extliblist.
glibpth=`echo " $glibpth " | sed -e 's! /usr/shlib ! !'`
glibpth="/usr/shlib $glibpth"
: Do not use vfork unless overridden by a hint file.
usevfork=false
+: Find the basic shell for Bourne shell scripts
+case "$sh" in
+'')
+ : SYSTYPE is for some older MIPS systems.
+ : I do not know if it is still needed.
+ case "$SYSTYPE" in
+ *bsd*|sys5*) xxx="/$SYSTYPE/bin/sh";;
+ *) xxx='/bin/sh';;
+ esac
+ if test -f "$xxx"; then
+ sh="$xxx"
+ else
+ : Build up a list and do a single loop so we can 'break' out.
+ pth=`echo $PATH | sed -e "s/$p_/ /g"`
+ for xxx in sh bash ksh pdksh ash; do
+ for p in $pth; do
+ try="$try ${p}/${xxx}"
+ done
+ done
+ for xxx in $try; do
+ if test -f "$xxx"; then
+ sh="$xxx";
+ echo "Your Bourne shell appears to be in $sh."
+ break
+ elif test -f "$xxx.exe"; then
+ sh="$xxx";
+ echo "Hmm. Your Bourne shell appears to be in $sh."
+ break
+ fi
+ done
+ fi
+ ;;
+esac
+
+case "$sh" in
+'') cat <<EOM >&2
+$me: Fatal Error: I can't find a Bourne Shell anywhere.
+Usually it's in /bin/sh. How did you even get this far?
+Please contact me (Chip Salzenberg) at chip@atlantic.net and
+we'll try to straigten this all out.
+EOM
+ exit 1
+ ;;
+esac
+
+: see if sh knows # comments
+if `$sh -c '#' >/dev/null 2>&1`; then
+ shsharp=true
+ spitshell=cat
+ echo " "
+ xcat=/bin/cat
+ test -f $xcat || xcat=/usr/bin/cat
+ echo "#!$xcat" >try
+ $eunicefix try
+ chmod +x try
+ ./try > today
+ if test -s today; then
+ sharpbang='#!'
+ else
+ echo "#! $xcat" > try
+ $eunicefix try
+ chmod +x try
+ ./try > today
+ if test -s today; then
+ sharpbang='#! '
+ else
+ echo "Okay, let's see if #! works on this system..."
+ echo "It's just a comment."
+ sharpbang=': use '
+ fi
+ fi
+else
+ echo "Your $sh doesn't grok # comments--I will strip them later on."
+ shsharp=false
+ cd ..
+ echo "exec grep -v '^[ ]*#'" >spitshell
+ chmod +x spitshell
+ $eunicefix spitshell
+ spitshell=`pwd`/spitshell
+ cd UU
+ echo "I presume that if # doesn't work, #! won't work either!"
+ sharpbang=': use '
+fi
+rm -f try today
+
+: figure out how to guarantee sh startup
+case "$startsh" in
+'') startsh=${sharpbang}${sh} ;;
+*)
+esac
+cat >try <<EOSS
+$startsh
+set abc
+test "$?abc" != 1
+EOSS
+
+chmod +x try
+$eunicefix try
+if ./try; then
+ : echo "Yup, it does."
+else
+ echo "Hmm. '$startsh' didn't work."
+ echo "You may have to fix up the shell scripts to make sure sh runs them."
+fi
+rm -f try
+
: script used to extract .SH files with variable substitutions
-cat >extract <<'EOS'
+cat >extract <<EOS
+$startsh
+EOS
+cat >>extract <<'EOS'
CONFIG=true
echo "Doing variable substitutions on .SH files..."
if test -f MANIFEST; then
: produce awk script to parse command line options
cat >options.awk <<'EOF'
BEGIN {
- optstr = "dD:eEf:hOrsSU:V"; # getopt-style specification
+ optstr = "dD:eEf:hKOrsSU:V"; # getopt-style specification
len = length(optstr);
for (i = 1; i <= len; i++) {
EOF
: process the command line options
-set X `for arg in "$@"; 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=''
-optdef='optdef.sh'
-rm -f $optdef
+knowitall=''
+
+rm -f optdef.sh
+cat >optdef.sh <<EOS
+$startsh
+EOS
: option parsing
while test $# -gt 0; do
-r) shift; reuseval=true;;
-s) shift; silent=true;;
-E) shift; alldone=exit;;
+ -K) shift; knowitall=true;;
-O) shift; override=true;;
-S) shift; extractsh=true;;
-D)
echo "$me: ignoring -D $1" >&2
;;
*=*) echo "$1" | \
- sed -e "s/'/'\"'\"'/g" -e "s/=\(.*\)/='\1'/" >> $optdef;;
- *) echo "$1='define'" >> $optdef;;
+ sed -e "s/'/'\"'\"'/g" -e "s/=\(.*\)/='\1'/" >> optdef.sh;;
+ *) echo "$1='define'" >> optdef.sh;;
esac
shift
;;
-U)
shift
case "$1" in
- *=) echo "$1" >> $optdef;;
+ *=) echo "$1" >> optdef.sh;;
*=*)
echo "$me: use '-D symbol=val', not '-U symbol=val'." >&2
echo "$me: ignoring -U $1" >&2
;;
- *) echo "$1='undef'" >> $optdef;;
+ *) echo "$1='undef'" >> optdef.sh;;
esac
shift
;;
- -V) echo "$me generated by metaconfig 3.0 PL48." >&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 [-dehrsEKOSV] [-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:
esac
: run the defines and the undefines, if any, but leave the file out there...
-touch $optdef
-. ./$optdef
+touch optdef.sh
+. ./optdef.sh
case "$extractsh" in
true)
echo "Fetching answers from $config_sh..."
cd ..
. $config
- test "$override" && . ./$optdef
+ test "$override" && . ./optdef.sh
echo " "
. ./UU/extract
rm -rf UU
: set package name
package=perl5
+first=`echo $package | sed -e 's/^\(.\).*/\1/'`
+last=`echo $package | sed -e 's/^.\(.*\)/\1/'`
+case "`echo AbyZ | tr '[:lower:]' '[:upper:]' 2>/dev/null`" in
+ABYZ) spackage=`echo $first | tr '[:lower:]' '[:upper:]'`$last;;
+*) spackage=`echo $first | tr '[a-z]' '[A-Z]'`$last;;
+esac
: Eunice requires " " instead of "", can you believe it
echo " "
: Here we go...
echo "Beginning of configuration questions for $package."
-trap 'echo " "; rm -rf $rmlist; exit 1' 1 2 3 15
+trap 'echo " "; test -d ../UU && rm -rf X $rmlist; exit 1' 1 2 3 15
: Some greps do not return status, grrr.
echo "grimblepritz" >grimble
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 (chip@atlantic.net).
EOM
echo $n "Continue? [n] $c" >&4
: now set up to do reads with possible shell escape and default assignment
cat <<EOSC >myread
+$startsh
xxxm=\$dflt
$myecho
ans='!'
read answ
set x \$xxxm
shift
- aok=''; eval "ans=\"\$answ\"" && aok=y
+ aok=''; eval ans="\\"\$answ\\"" && aok=y
case "\$answ" in
"\$ans")
case "\$ans" in
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
$myecho
: general instructions
needman=true
firsttime=true
-user=`( (logname) 2>/dev/null || whoami) 2>&1`
+user=`(logname) 2>/dev/null`
+case "$user" in "")
+ user=`whoami 2>&1` ;;
+esac
if $contains "^$user\$" ../.config/instruct >/dev/null 2>&1; then
firsttime=false
echo " "
Much effort has been expended to ensure that this shell script will run on any
Unix system. If despite that it blows up on yours, your best bet is to edit
-Configure and run it again. Also, let me (lwall@netlabs.com)
-know how I blew it. If you can't run Configure for some reason, you'll have to
-generate a config.sh file by hand.
+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 (chip@atlantic.net) know how I blew it.
This installation script affects things in two ways:
esac
fi
-: see if sh knows # comments
-echo " "
-echo "Checking your sh to see if it knows about # comments..." >&4
-if `sh -c '#' >/dev/null 2>&1`; then
- echo "Your sh handles # comments correctly."
- shsharp=true
- spitshell=cat
- echo " "
- echo "Okay, let's see if #! works on this system..."
- xcat=/bin/cat
- test -f $xcat || xcat=/usr/bin/cat
- echo "#!$xcat" >try
- $eunicefix try
- chmod +x try
- ./try > today
- if test -s today; then
- echo "It does."
- sharpbang='#!'
- else
- echo "#! $xcat" > try
- $eunicefix try
- chmod +x try
- ./try > today
- if test -s today; then
- echo "It does."
- sharpbang='#! '
- else
- echo "It's just a comment."
- sharpbang=': use '
- fi
- fi
-else
- echo "Your sh doesn't grok # comments--I will strip them later on."
- shsharp=false
- cd ..
- echo "exec grep -v '^[ ]*#'" >spitshell
- chmod +x spitshell
- $eunicefix spitshell
- spitshell=`pwd`/spitshell
- cd UU
- echo "I presume that if # doesn't work, #! won't work either!"
- sharpbang=': use '
-fi
-rm -f try today
-
-: figure out how to guarantee sh startup
-echo " "
-echo "Checking out how to guarantee sh startup..." >&4
-case "$SYSTYPE" in
-*bsd*|sys5*) startsh=$sharpbang"/$SYSTYPE/bin/sh";;
-*) startsh=$sharpbang'/bin/sh';;
-esac
-echo "Let's see if '$startsh' works..."
-cat >try <<EOSS
-$startsh
-set abc
-test "$?abc" != 1
-EOSS
-
-chmod +x try
-$eunicefix try
-if ./try; then
- echo "Yup, it does."
-else
-echo "Nope. You may have to fix up the shell scripts to make sure sh runs them."
-fi
-rm -f try
-
: find out where common programs are
echo " "
echo "Locating common programs..." >&4
expr
find
grep
-ln
ls
mkdir
rm
csh
date
egrep
+gzip
+less
line
+ln
+more
nroff
perl
+pg
+sendmail
test
uname
+zip
"
-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, $say."
say=either
egrep=$grep
;;
esac
+case "$ln" in
+ln)
+ echo "Substituting cp for ln."
+ ln=$cp
+ ;;
+esac
case "$test" in
test)
echo "Hopefully test is built into your sh."
myuname=`( ($uname -a) 2>/dev/null || hostname) 2>&1`
myuname=`echo $myuname | $sed -e 's/^[^=]*=//' -e 's/\///g' | \
./tr '[A-Z]' '[a-z]' | tr '\012' ' '`
+newmyuname="$myuname"
dflt=n
-if test "$fastread" = yes; then
- dflt=y
-elif test -f ../config.sh; then
- oldmyuname=''
- if $contains myuname= ../config.sh >/dev/null 2>&1; then
- eval "old`grep myuname= ../config.sh`"
- fi
- if test "X$myuname" = "X$oldmyuname"; then
- dflt=y
+case "$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$newmyuname"; then
+ dflt=y
+ fi
fi
-fi
+ ;;
+*) dflt=y;;
+esac
: Get old answers from old config file if Configure was run on the
: same system, otherwise use the hints.
*) echo "Fetching default answers from your old config.sh file..." >&4
tmp_n="$n"
tmp_c="$c"
+ tmp_sh="$sh"
. ./config.sh
- test "$override" && . UU/$optdef
cp config.sh UU
n="$tmp_n"
c="$tmp_c"
+ : Older versions did not always set $sh. Catch re-use of such
+ : an old config.sh.
+ case "$sh" in
+ '') sh="$tmp_sh" ;;
+ esac
hint=previous
;;
esac
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 chip@atlantic.net
: The metaconfig authors would also appreciate a copy...
$test -f /irix && osname=irix
$test -f /xenix && osname=sco_xenix
$test -f /dynix && osname=dynix
$test -f /dnix && osname=dnix
- $test -f /unicos && osname=unicos && osvers=`$uname -r`
+ $test -f /lynx.os && osname=lynxos
+ $test -f /unicos && osname=unicos && osvers=`$uname -r`
+ $test -f /unicosmk.ar && osname=unicosmk && osvers=`$uname -r`
$test -f /bin/mips && /bin/mips && osname=mips
$test -d /NextApps && set X `hostinfo | grep 'NeXT Mach.*:' | \
$sed -e 's/://' -e 's/\./_/'` && osname=next && osvers=$4
$test -d /usr/apollo/bin && osname=apollo
$test -f /etc/saf/_sactab && osname=svr4
$test -d /usr/include/minix && osname=minix
+ 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 $myuname
shift
aix) osname=aix
tmp=`( (oslevel) 2>/dev/null || echo "not found") 2>&1`
case "$tmp" in
- 'not found') osvers=3.2.0 ;;
+ 'not found') osvers="$4"."$3" ;;
'<3240'|'<>3240') osvers=3.2.0 ;;
'=3240'|'>3240'|'<3250'|'<>3250') osvers=3.2.4 ;;
'=3250'|'>3250') osvers=3.2.5 ;;
- *) osvers='' ;;
+ *) osvers=$tmp;;
esac
;;
+ *dc.osx) osname=dcosx
+ osvers="$3"
+ ;;
dnix) osname=dnix
osvers="$3"
;;
dgux) osname=dgux
osvers="$3"
;;
+ dynixptx*) osname=dynixptx
+ osvers="$3"
+ ;;
freebsd) osname=freebsd
osvers="$3" ;;
genix) osname=genix ;;
*) osvers="$3" ;;
esac
;;
- irix) osname=irix
+ irix*) osname=irix
case "$3" in
4*) osvers=4 ;;
5*) osvers=5 ;;
ultrix) osname=ultrix
osvers="$3"
;;
- osf1) case "$5" in
- alpha) osname=dec_osf
- case "$3" in
- [vt]1\.*) osvers=1 ;;
- [vt]2\.*) osvers=2 ;;
- [vt]3\.*) osvers=3 ;;
- esac
+ osf1|mls+) case "$5" in
+ alpha)
+ osname=dec_osf
+ osvers=`echo "$3" | sed 's/^[vt]//'`
;;
hp*) osname=hp_osf1 ;;
mips) osname=mips_osf1 ;;
uts) osname=uts
osvers="$3"
;;
+ qnx) osname=qnx
+ osvers="$4"
+ ;;
$2) case "$osname" in
*isc*) ;;
*freebsd*) ;;
- svr*)
+ svr*)
: svr4.x or possibly later
case "svr$3" in
${osname}*)
osname=news_os
fi
$rm -f ../UU/kernel.what
+ elif test -d c:/.; then
+ set X $myuname
+ osname=os2
+ osvers="$5"
fi
fi
dflt=`echo $hintfile | $sed 's/\.sh$//'`
;;
esac
-
+
$cat <<EOM
You may give one or more space-separated answers, or "none" if appropriate.
tmp_c="$c"
cd ..
cp $config_sh config.sh 2>/dev/null
+ chmod +w config.sh
. ./config.sh
cd UU
- test "$override" && . ./$optdef
cp ../config.sh .
n="$tmp_n"
c="$tmp_c"
hint=previous
;;
esac
+test "$override" && . ./optdef.sh
+myuname="$newmyuname"
: Restore computed paths
for file in $loclist $trylist; do
none) osname='' ;;
*) osname=`echo "$ans" | $sed -e 's/[ ][ ]*/_/g' | ./tr '[A-Z]' '[a-z]'`;;
esac
+echo " "
+case "$osvers" in
+ ''|' ')
+ case "$hintfile" in
+ ''|' '|none) dflt=none ;;
+ *) dflt=`echo $hintfile | $sed -e 's/\.sh$//' -e 's/^[^_]*//'`
+ dflt=`echo $dflt | $sed -e 's/^_//' -e 's/_/./g'`
+ case "$dflt" in
+ ''|' ') dflt=none ;;
+ esac
+ ;;
+ esac
+ ;;
+ *) dflt="$osvers" ;;
+esac
+rp="Operating system version?"
+. ./myread
+case "$ans" in
+none) osvers='' ;;
+*) osvers="$ans" ;;
+esac
+
+
+
: who configured the system
cf_time=`$date 2>&1`
-(logname > .temp) >/dev/null 2>&1
-$test -s .temp || (whoami > .temp) >/dev/null 2>&1
-$test -s .temp || echo unknown > .temp
-cf_by=`$cat .temp`
-$rm -f .temp
+cf_by=`(logname) 2>/dev/null`
+case "$cf_by" in "")
+ cf_by=`(whoami) 2>/dev/null`
+ case "$cf_by" in "")
+ cf_by=unknown ;;
+ esac ;;
+esac
-: 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=`$sed -e 's/ *$//' -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 " "
+case "$afs" in
+$define|true) afs=true ;;
+$undef|false) afs=false ;;
+*) if test -d /afs; then
+ afs=true
+ else
+ afs=false
+ fi
+ ;;
+esac
+if $afs; then
+ echo "AFS may be running... I'll be extra cautious then..." >&4
else
- echo "Could not find manual pages in source form." >&4
+ echo "AFS does not seem to be running..." >&4
fi
-: see what memory models we can support
-case "$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="$tans";;
- *) small='';;
- esac
+ fi
;;
*)
- echo "Unrecognized memory models--you may have to edit Makefile.SH" >&4
+ echo \$1
;;
esac
+EOSS
+chmod +x filexp
+$eunicefix filexp
-: 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
+: now set up to get a file name
+cat <<EOS >getfile
+$startsh
+EOS
+cat <<'EOSC' >>getfile
+tilde=''
+fullpath=''
+already=''
+skip=''
+none_ok=''
+exp_file=''
+nopath_ok=''
+orig_rp="$rp"
+orig_dflt="$dflt"
+
+case "$fn" in
+*\(*)
+ expr $fn : '.*(\(.*\)).*' | tr ',' '\012' >getfile.ok
+ fn=`echo $fn | sed 's/(.*)//'`
;;
-*)
- echo " "
- echo "Congratulations. You aren't running Eunice."
- d_eunice="$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
-$eunicefix filexp
-
-: now set up to get a file name
-cat <<'EOSC' >getfile
-tilde=''
-fullpath=''
-already=''
-skip=''
-none_ok=''
-exp_file=''
-nopath_ok=''
-orig_rp="$rp"
-orig_dflt="$dflt"
-
-case "$fn" in
-*\(*)
- expr $fn : '.*(\(.*\)).*' | tr ',' '\012' >getfile.ok
- fn=`echo $fn | sed 's/(.*)//'`
- ;;
-esac
-
-case "$fn" in
-*:*)
- loc_file=`expr $fn : '.*:\(.*\)'`
- fn=`expr $fn : '\(.*\):.*'`
+esac
+
+case "$fn" in
+*:*)
+ loc_file=`expr $fn : '.*:\(.*\)'`
+ fn=`expr $fn : '\(.*\):.*'`
;;
esac
fi
;;
Locate)
- if test -d "$value"; then
+ if test -d "$ansexp"; then
echo "(Looking for $loc_file in directory $value.)"
value="$value/$loc_file"
+ ansexp="$ansexp/$loc_file"
fi
- if test -f "$value"; then
+ if test -f "$ansexp"; then
type=''
fi
case "$nopath_ok" in
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."
-else
- echo "Doesn't look like a MIPS system."
- echo "exit 1" >mips
- chmod +x mips
- $eunicefix mips
-fi
-echo " "
-case "$usrinc" in
-'') ;;
-*) dflt="$usrinc";;
-esac
-fn=d/
-rp='Where are the include files you want to use?'
-. ./getfile
-usrinc="$ans"
+: 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="$prefix";;
+ esac
+ ;;
+esac
+prefix="$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 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
+
+: 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 $3}' ../patchlevel.h`
+else
+ patchlevel=0
+ subversion=0
+fi
+$echo $n "(You have $package" $c
+case "$package" in
+"*$baserev") ;;
+*) $echo $n " $baserev" $c ;;
+esac
+$echo $n " patchlevel $patchlevel" $c
+test 0 -eq "$subversion" || $echo $n " subversion $subversion" $c
+echo ".)"
+
+: set the prefixup variable, to restore leading tilda escape
+prefixup='case "$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 $prefixup
+ ;;
+ *) if test 0 -eq "$subversion"; then
+ version=`LC_ALL=C; export LC_ALL; \
+ echo $baserev $patchlevel | \
+ $awk '{ printf "%.3f\n", $1 + $2/1000.0 }'`
+ else
+ version=`LC_ALL=C; export LC_ALL; \
+ echo $baserev $patchlevel $subversion | \
+ $awk '{ printf "%.5f\n", $1 + $2/1000.0 + $3/100000.0 }'`
+ fi
+ dflt="$privlib/$archname/$version"
+ ;;
+ esac
+ ;;
+*)
+ 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.
+
+EOM
+fn=d+~
+rp='Where do you want to put the public architecture-dependent libraries?'
+. ./getfile
+archlib="$ans"
+archlibexp="$ansexp"
+
+if $afs; then
+ $cat <<EOM
+
+Since you are running AFS, I need to distinguish the directory in which
+private files reside from the directory in which they are installed (and from
+which they are presumably copied to the former directory by occult means).
+
+EOM
+ case "$installarchlib" in
+ '') dflt=`echo $archlibexp | sed 's#^/afs/#/afs/.#'`;;
+ *) dflt="$installarchlib";;
+ esac
+ fn=de~
+ rp='Where will architecture-dependent library files be installed?'
+ . ./getfile
+ installarchlib="$ans"
+else
+ installarchlib="$archlibexp"
+fi
+if $test X"$archlib" = X"$privlib"; then
+ d_archlib="$undef"
+else
+ d_archlib="$define"
+fi
+
+: set up the script used to warn in case of inconsistency
+cat <<EOS >whoa
+$startsh
+EOS
+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
+y) td=$was; tu=$was;;
+esac
+EOSC
+
+: 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'
+
+$cat <<EOM
+
+Perl 5.004 can be compiled for binary compatibility with 5.003.
+If you decide to do so, you will be able to continue using any
+extensions that were compiled for Perl 5.003. However, binary
+compatibility forces Perl to expose some of its internal symbols
+in the same way that 5.003 did. So you may have symbol conflicts
+if you embed a binary-compatible Perl in other programs.
+
+EOM
+case "$d_bincompat3" in
+"$undef") dflt=n ;;
+*) dflt=y ;;
+esac
+rp='Binary compatibility with Perl 5.003?'
+. ./myread
+case "$ans" in
+y*) val="$define" ;;
+*) val="$undef" ;;
+esac
+set d_bincompat3
+eval $setvar
+case "$d_bincompat3" in
+"$define") bincompat3=y ;;
+*) bincompat3=n ;;
+esac
+
+: make some quick guesses about what we are up against
+echo " "
+$echo $n "Hmm... $c"
+echo exit 1 >bsd
+echo exit 1 >usg
+echo exit 1 >v7
+echo exit 1 >osf1
+echo exit 1 >eunice
+echo exit 1 >xenix
+echo exit 1 >venix
+echo exit 1 >os2
+d_bsd="$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="$undef"
+ ;;
+esac
+: Detect OS2. The p_ variable is set above in the Head.U unit.
+case "$p_" in
+:) ;;
+*)
+ $cat <<'EOI'
+I have the feeling something is not exactly right, however...don't tell me...
+lemme think...does HAL ring a bell?...no, of course, you're only running OS/2!
+EOI
+ echo exit 0 >os2
+ ;;
+esac
+if test -f /xenix; then
+ echo "Actually, this looks more like a XENIX system..."
+ echo exit 0 >xenix
+ d_xenix="$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 os2
+$eunicefix bsd usg v7 osf1 eunice xenix venix os2
+$rm -f foo
+
+: see if setuid scripts can be secure
+$cat <<EOM
+
+Some kernels have a bug that prevents setuid #! scripts from being
+secure. Some sites have disabled setuid #! scripts because of this.
+
+First let's decide if your kernel supports secure setuid #! scripts.
+(If setuid #! scripts would be secure but have been disabled anyway,
+don't say that they are secure if asked.)
+
+EOM
+
+val="$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
+ $cat <<EOM
+If you are not sure if they are secure, I can check but I'll need a
+username and password different from the one you are using right now.
+If you don't have such a username or don't want me to test, simply
+enter 'none'.
+
+EOM
+ rp='Other username to test security of setuid scripts with?'
+ dflt='none'
+ . ./myread
+ case "$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
+ fi
+else
+ echo "I don't think setuid scripts are secure (no /dev/fd directory)." >&4
+ echo "(That's for file descriptors, not floppy disks.)"
+ 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
+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
+
+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
+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
+ $cat <<EOM
+
+Since you are running AFS, I need to distinguish the directory in which
+private files reside from the directory in which they are installed (and from
+which they are presumably copied to the former directory by occult means).
+
+EOM
+ case "$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
+
+The installation process will also create a directory for
+architecture-dependent site-specific extensions and modules.
+
+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
+ 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"
+ ;;
+ esac
+ ;;
+*) dflt="$oldarchlib"
+ ;;
+esac
+if $test ! -d "$dflt/auto"; then
+ dflt=none
+fi
+cat <<EOM
+
+In 5.001, Perl stored architecture-dependent library files in a directory
+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 a version-specific directory such as
+$archlib,
+while locally-added extensions will go into
+$sitearch.
+
+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
+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
+
+: 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
+
+: determine where manual pages are on this system
+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`
+ ;;
+esac
+if $test -d "$sysman"; then
+ echo "System manual is in $sysman." >&4
+else
+ echo "Could not find manual pages in source form." >&4
+fi
+
+: see what memory models we can support
+case "$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="$models";;
+esac
+$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=''
+ ;;
+*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 "$xxx_prompt" in
+y) fn=d/
+ rp='Where are the include files you want to use?'
+ . ./getfile
+ usrinc="$ans"
+ ;;
+*) usrinc="$dflt"
+ ;;
+esac
+
+: Set private lib path
+case "$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="$ans";;
+esac
+
+: Define several unixisms. Hints files or command line options
+: can be used to override them.
+case "$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
+
+: 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
+
+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.
+
+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$thislib$lib_ext X $libpth`; $test -f "$xxx"; then
+ echo "Found -l$thislib."
+ case " $dflt " in
+ *"-l$thislib "*);;
+ *) dflt="$dflt -l$thislib";;
+ esac
+ elif xxx=`./loc $thislib$lib_ext X $libpth`; $test -f "$xxx"; then
+ echo "Found -l$thislib."
+ case " $dflt " in
+ *"-l$thislib "*);;
+ *) dflt="$dflt -l$thislib";;
+ esac
+ elif xxx=`./loc lib${thislib}_s$lib_ext 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$thislib$lib_ext X $xlibpth`; $test -f "$xxx"; then
+ echo "Found -l$thislib."
+ case " $dflt " in
+ *"-l$thislib "*);;
+ *) dflt="$dflt -l$thislib";;
+ 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.
+
+On some systems, mostly System V Release 3'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 $package on your machine as well. If your system
+needs the "-lc_s" option, include it here. Include any other special libraries
+here as well. Say "none" for none.
+EOM
+
+echo " "
+rp="Any additional libraries?"
+. ./myread
+case "$ans" in
+none) libs=' ';;
+*) libs="$ans";;
+esac
+
+: 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 $cpplast does not work, let's see...)"
+ fi
+ ;;
+ esac
+else
+ case "$cppstdin" in
+ '') ;;
+ *)
+ echo "Good old $cppstdin $cppminus does not seem to be of any help..."
+ ;;
+ esac
+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!"
+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
+
+: 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
+ set signal.h LANGUAGE_C; eval $inctest
+fi
+
+case "$hint" in
+none|recommended) dflt="$ccflags $dflt" ;;
+*) dflt="$ccflags";;
+esac
+
+case "$dflt" in
+''|' ') dflt=none;;
+esac
+$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+"$@"}
+rp="Any additional cc flags?"
+. ./myread
+case "$ans" in
+none) ccflags='';;
+*) ccflags="$ans";;
+esac
+
+: the following weeds options from ccflags that are of no interest to cpp
+cppflags="$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
+
+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 $ftry"
+ previous=''
+ else
+ previous="$flag"
+ fi
+ done
+ set X $cppflags
+ shift
+ cppflags=${1+"$@"}
+ case "$cppflags" in
+ *-*) echo "They appear to be: $cppflags";;
+ esac
+ $rm -f cpp.c cpp?.out
+ ;;
+esac
+
+: flags used in final linking phase
+
+case "$ldflags" in
+'') if ./venix; then
+ dflt='-i -z'
+ else
+ dflt=''
+ fi
+ case "$ccflags" in
+ *-posix*) dflt="$dflt -posix" ;;
+ esac
+ ;;
+*) 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
+
+$cat <<EOH
+
+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.
+
+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="$ans";;
+esac
+rmlist="$rmlist pdp11"
+
+: coherency check
+echo " "
+echo "Checking your choice of C compiler, libs, and flags for coherency..." >&4
+set X $cc $optimize $ccflags $ldflags -o try try.c $libs
+shift
+$cat >try.msg <<EOM
+I've tried to compile and run a simple program with:
+
+ $*
+ ./try
+
+and I got the following output:
+
+EOM
+$cat > try.c <<'EOF'
+#include <stdio.h>
+main() { exit(0); }
+EOF
+dflt=y
+if sh -c "$cc $optimize $ccflags -o try try.c $ldflags $libs" >>try.msg 2>&1; then
+ if sh -c './try' >>try.msg 2>&1; then
+ dflt=n
+ else
+ echo "The program compiled OK, but exited with status $?." >>try.msg
+ rp="You have a problem. Shall I abort Configure"
+ dflt=y
+ fi
+else
+ echo "I can't compile the test program." >>try.msg
+ rp="You have a BIG problem. Shall I abort Configure"
+ dflt=y
+fi
+case "$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
+
+echo " "
+echo "Checking for GNU C Library..." >&4
+cat >gnulibc.c <<EOM
+int
+main()
+{
+ return __libc_main();
+}
+EOM
+if $cc $ccflags $ldflags -o gnulibc gnulibc.c $libs >/dev/null 2>&1 && \
+ ./gnulibc | $contains '^GNU C Library' >/dev/null 2>&1; then
+ val="$define"
+ echo "You are using the GNU C Library"
+else
+ val="$undef"
+ echo "You are not using the GNU C Library"
+fi
+$rm -f gnulibc*
+set d_gnulibc
+eval $setvar
+
+: see if nm is to be used to determine whether a symbol is defined or not
+case "$usenm" in
+'')
+ case "$d_gnulibc" in
+ $define)
+ dflt=n
+ ;;
+ *)
+ dflt=`egrep 'inlibc|csym' ../Configure | wc -l 2>/dev/null`
+ if $test $dflt -gt 20; then
+ dflt=y
+ else
+ dflt=n
+ fi
+ ;;
+ esac
+ ;;
+*)
+ case "$usenm" in
+ true) dflt=y;;
+ *) dflt=n;;
+ esac
+ ;;
+esac
+$cat <<EOM
+
+I can use 'nm' to extract the symbols from your C libraries. This is a time
+consuming task which may generate huge output on the disk (up to 3 megabytes)
+but that should make the symbols extraction faster. The alternative is to skip
+the 'nm' extraction part and to compile a small test program instead to
+determine whether each symbol is present. If you have a fast C compiler and/or
+if your 'nm' output cannot be parsed, this may be the best solution.
+You shouldn't let me use 'nm' if you have the GNU C Library.
+
+EOM
+rp='Shall I use nm to extract C symbols from the libraries?'
+. ./myread
+case "$ans" in
+n|N) usenm=false;;
+*) usenm=true;;
+esac
+
+runnm=$usenm
+case "$reuseval" in
+true) runnm=false;;
+esac
+
+: nm options which may be necessary
+case "$nm_opt" in
+'') if $test -f /mach_boot; then
+ nm_opt='' # Mach
+ elif $test -d /usr/ccs/lib; then
+ nm_opt='-p' # Solaris (and SunOS?)
+ elif $test -f /dgux; then
+ nm_opt='-p' # DG-UX
+ elif $test -x /lib64/rld; then
+ nm_opt='-p' # 64-bit Irix
+ else
+ nm_opt=''
+ fi;;
+esac
+
+: nm options which may be necessary for shared libraries but illegal
+: for archive libraries. Thank you, Linux.
+case "$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 " "
+case "$libc" in
+'') libc=unknown
+ case "$libs" in
+ *-lc_s*) libc=`./loc libc_s$lib_ext $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$thislib$lib_ext X $libpth`; $test -f "$try"; then
+ :
+ elif try=`./loc $thislib$lib_ext 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$thislib$lib_ext 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 $1 || set /lib/libsys_s$lib_ext
+ ;;
+*)
+ 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 $incpath/usr/lib/libc$lib_ext; then
+ libc=$incpath/usr/lib/libc$lib_ext;
+ echo "Your C library seems to be in $libc. That's fine."
+elif $test -r /lib/libc$lib_ext; then
+ libc=/lib/libc$lib_ext;
+ echo "Your C library seems to be in $libc. You're normal."
+else
+ if tans=`./loc libc$lib_ext 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$lib_ext blurfl/dyick $xlibpth`; $test -r "$tans"; then
+ :
+ elif tans=`./loc Mlibc$lib_ext blurfl/dyick $xlibpth`; $test -r "$tans"; then
+ :
+ else
+ tans=`./loc Llibc$lib_ext 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
+fi
+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.
+
+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:
+
+EOM
+ $sed 's/^/ /' libpath
+ cat <<EOM
+
+None of these seems to contain your C library. I need to get its name...
+
+EOM
+fi
+fn=f
+rp='Where is your C library?'
+. ./getfile
+libc="$ans"
+
+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
+
+: 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 $nm_libs_ext 2>/dev/null ;;
+ esac
+done > libc.tmp
+
+$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 's/^.*|Proc .*|Text *| *//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 $xrun
+elif com="$sed -n -e 's/.*\.text n\ \ \ \.//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
+ 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 $thisname >>libc.tmp
+ done
+ echo "Ok." >&4
+ else
+ echo "That didn't work either. Giving up." >&4
+ exit 1
+ fi
+ fi
+ fi
+fi
+nm_extract="$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
+
+: 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 $pos field of the line."
+
+: locate header file
+$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
+
+: 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 dld is available
+set dld.h i_dld
+eval $inhdr
+
+: 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"'
+
+: 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 "$sym() NOT found." >&4;;
+ esac;;
+esac'
+
+: see if dlopen exists
+xxx_runnm="$runnm"
+runnm=false
+set dlopen d_dlopen
+eval $inlibc
+runnm="$xxx_runnm"
-: see how we invoke the C preprocessor
+: determine which dynamic loading, if any, to compile in
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 $cpplast to preprocess directly.)"
- ok='true'
+dldir="ext/DynaLoader"
+case "$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_${osname}.xs && dflt='y'
+ ;;
+esac
+rp="Do you wish to use dynamic loading?"
+. ./myread
+usedl="$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
- echo "(However, $cpprun $cpplast does not work, let's see...)"
+ dflt=''
fi
;;
- esac
-else
- case "$cppstdin" in
- '') ;;
- *)
- echo "Good old $cppstdin $cppminus does not seem to be of any help..."
+ *) dflt="$dldir/$dlsrc"
;;
esac
-fi
+ 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@'`
-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
+ $cat << EOM
-case "$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='';
+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|svr4*|esix*) dflt='-Kpic' ;;
+ irix*) 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
+
+ cat << EOM
+
+Some systems use ld to create libraries that can be dynamically loaded,
+while other systems (such as those using ELF) use $cc.
+
+EOM
+ case "$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 "Nope, we'll have to live without it..."
+ echo "I'll use ld to build dynamic libraries."
+ dflt='ld'
fi
+ rm -f try.c a.out
+ ;;
+ *) dflt="$ld"
;;
esac
- case "$cpprun" in
- "$wrapper")
- cpprun=''
- cpplast=''
+
+ rp="What command should be used to create dynamic libraries?"
+ . ./myread
+ ld="$ans"
+
+ cat << EOM
+
+Some systems may require passing special flags to $ld to create a
+library that can be dynamically loaded. If your ld flags include
+-L/other/path options to locate libraries outside your loader's normal
+search path, you may need to specify those -L options here as well. To
+use no flags, say "none".
+
+EOM
+ case "$lddlflags" in
+ '') case "$osname" in
+ hpux) dflt='-b' ;;
+ linux|irix*) dflt='-shared' ;;
+ next) dflt='none' ;;
+ solaris) dflt='-G' ;;
+ sunos) dflt='-assert nodefinitions' ;;
+ svr4*|esix*) dflt="-G $ldflags" ;;
+ *) dflt='none' ;;
+ esac
+ ;;
+ *) dflt="$lddlflags" ;;
+ esac
+
+: 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 $thisflag" ;;
+ esac
;;
esac
- ;;
-esac
+done
-case "$cppstdin" in
-"$wrapper") ;;
-*) $rm -f $wrapper;;
+case "$dflt" in
+'') dflt='none' ;;
esac
-$rm -f testcpp.c testcpp.out
-: determine optimize, if desired, or use for debug flag also
-case "$optimize" in
-' ') dflt='none';;
-'') dflt='-O';;
-*) dflt="$optimize";;
-esac
-$cat <<EOH
+ rp="Any special flags to pass to $ld to create a dynamically loaded library?"
+ . ./myread
+ case "$ans" in
+ none) lddlflags=' ' ;;
+ *) lddlflags="$ans" ;;
+ esac
-Some C compilers have problems with their optimizers, by default, $package
-compiles with the -O flag to use the optimizer. Alternately, you might want
-to use the symbolic debugger, which uses the -g flag (on traditional Unix
-systems). Either flag can be specified here. To use neither flag, specify
-the word "none".
+ cat <<EOM
-EOH
-rp="What optimizer/debugger flag should be used?"
-. ./myread
-optimize="$ans"
-case "$optimize" in
-'none') optimize=" ";;
+Some systems may require passing special flags to $cc to indicate that
+the resulting executable will use dynamic linking. To use no flags,
+say "none".
+
+EOM
+ case "$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
-dflt=''
-case "$ccflags" in
-'')
- case "$gccversion" in
- 1*) dflt='-fpcc-struct-return' ;;
- esac
- case "$optimize" in
- *-g*) dflt="$dflt -DDEBUGGING";;
+also=''
+case "$usedl" in
+$undef)
+ # No dynamic loading being used, so don't bother even to prompt.
+ useshrplib='false'
+ ;;
+*) case "$useshrplib" in
+ '') case "$osname" in
+ svr4|dgux|dynixptx|esix|powerux)
+ dflt='yes'
+ also='Building a shared libperl is required for dynamic loading to work on your system.'
+ ;;
+ next*)
+ case "$osvers" in
+ 4*) dflt='yes'
+ also='Building a shared libperl is needed for MAB support.'
+ ;;
+ *) dflt='no'
+ ;;
+ esac
+ ;;
+ sunos)
+ dflt='no'
+ also='Building a shared libperl will definitely not work on SunOS 4.'
+ ;;
+ *) dflt='no'
+ ;;
+ esac
+ ;;
+ $define|true|[Yy]*)
+ dflt='yes'
+ ;;
+ *) dflt='no'
+ ;;
esac
- case "$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
+ $cat << EOM
+
+The perl executable is normally obtained by linking perlmain.c with
+libperl${lib_ext}, any static extensions (usually just DynaLoader), and
+any other libraries needed on this system (such as -lm, etc.). Since
+your system supports dynamic loading, it is probably possible to build
+a shared libperl.$so. If you will have more than one executable linked
+to libperl.$so, this will significantly reduce the size of each
+executable, but it may have a noticeable affect on performance. The
+default is probably sensible for your system.
+$also
+
+EOM
+ rp="Build a shared libperl.$so (y/n)"
+ . ./myread
+ case "$ans" in
+ true|$define|[Yy]*)
+ useshrplib='true'
+ # Why does next4 have to be so different?
+ case "${osname}${osvers}" in
+ next4*) xxx='DYLD_LIBRARY_PATH' ;;
+ *) xxx='LD_LIBRARY_PATH' ;;
+ esac
+ $cat <<EOM >&4
+
+To build perl, you must add the current working directory to your
+$xxx environtment variable before running make. You can do
+this with
+ $xxx=\`pwd\`; export $xxx
+for Bourne-style shells, or
+ setenv $xxx \`pwd\`
+for Csh-style shells. You *MUST* do this before running make.
+
+EOM
;;
+ *) useshrplib='false' ;;
esac
;;
esac
-case "$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$thisincl";;
+case "$useshrplib" in
+true)
+ case "$libperl" in
+ '')
+ # Figure out a good name for libperl.so. Since it gets stored in
+ # a version-specific architecture-dependent library, the version
+ # number isn't really that important, except for making cc/ld happy.
+ #
+ # A name such as libperl.so.3.1
+ majmin="libperl.$so.$patchlevel.$subversion"
+ # A name such as libperl.so.301
+ majonly=`echo $patchlevel $subversion |
+ $awk '{printf "%d%02d", $1, $2}'`
+ majonly=libperl.$so.$majonly
+ # I'd prefer to keep the os-specific stuff here to a minimum, and
+ # rely on figuring it out from the naming of libc.
+ case "${osname}${osvers}" in
+ next4*)
+ dflt=libperl.5.$so
+ # XXX How handle the --version stuff for MAB?
+ ;;
+ linux*) # ld won't link with a bare -lperl otherwise.
+ dflt=libperl.$so
+ ;;
+ *) # Try to guess based on whether libc has major.minor.
+ case "$libc" in
+ *libc.$so.[0-9]*.[0-9]*) dflt=$majmin ;;
+ *libc.$so.[0-9]*) dflt=$majonly ;;
+ *) dflt=libperl.$so ;;
esac
- fi
- fi
-done
+ ;;
+ esac
+ ;;
+ *) dflt=$libperl
+ ;;
+ esac
+ cat << EOM
-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'
+I need to select a good name for the shared libperl. If your system uses
+library names with major and minor numbers, then you might want something
+like $majmin. Alternatively, if your system uses a single version
+number for shared libraries, then you might want to use $majonly.
+Or, your system might be quite happy with a simple libperl.$so.
-if ./osf1; then
- set signal.h __LANGUAGE_C__; eval $inctest
-else
- set signal.h LANGUAGE_C; eval $inctest
-fi
-set signal.h NO_PROTOTYPE; eval $inctest
-set signal.h _NO_PROTO; eval $inctest
+Since the shared libperl will get installed into a version-specific
+architecture-dependent directory, the version number of the shared perl
+library probably isn't important, so the default should be o.k.
-case "$dflt" in
-'') dflt=none;;
+EOM
+ rp='What name do you want to give to the shared libperl?'
+ . ./myread
+ libperl=$ans
+ echo "Ok, I'll use $libperl"
+ ;;
+*)
+ libperl="libperl${lib_ext}"
+ ;;
esac
-case "$ccflags" in
+
+# Detect old use of shrpdir via undocumented Configure -Dshrpdir
+case "$shrpdir" in
'') ;;
-*) dflt="$ccflags";;
+*) $cat >&4 <<EOM
+WARNING: Use of the shrpdir variable for the installation location of
+the shared $libperl is not supported. It was never documented and
+will not work in this version. Let me (chip@atlantic.net)
+know of any problems this may cause.
+
+EOM
+ case "$shrpdir" in
+ "$archlibexp/CORE")
+ $cat >&4 <<EOM
+But your current setting of $shrpdir is
+the default anyway, so it's harmless.
+EOM
+ ;;
+ *)
+ $cat >&4 <<EOM
+Further, your current attempted setting of $shrpdir
+conflicts with the value of $archlibexp/CORE
+that installperl will use.
+EOM
+ ;;
+ esac
+ ;;
esac
-$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.
+# How will the perl executable find the installed shared $libperl?
+# Add $xxx to ccdlflags.
+# If we can't figure out a command-line option, use $shrpenv to
+# set env LD_RUN_PATH. The main perl makefile uses this.
+shrpdir=$archlibexp/CORE
+xxx=''
+tmp_shrpenv=''
+if "$useshrplib"; then
+ case "$osname" in
+ solaris|netbsd)
+ xxx="-R $shrpdir"
+ ;;
+ freebsd)
+ xxx="-Wl,-R$shrpdir"
+ ;;
+ linux|irix*|dec_osf)
+ xxx="-Wl,-rpath,$shrpdir"
+ ;;
+ *)
+ tmp_shrpenv="env LD_RUN_PATH=$shrpdir"
+ ;;
+ esac
+ case "$xxx" in
+ '') ;;
+ *)
+ # Only add $xxx if it isn't already in ccdlflags.
+ case " $ccdlflags " in
+ *" $xxx "*) ;;
+ *) ccdlflags="$ccdlflags $xxx"
+ cat <<EOM >&4
-To use no flags, specify the word "none".
+Adding $xxx to the flags
+passed to $ld so that the perl executable will find the
+installed shared $libperl.
-EOH
-set X $dflt
-shift
-dflt=${1+"$@"}
-rp="Any additional cc flags?"
-. ./myread
-case "$ans" in
-none) ccflags='';;
-*) ccflags="$ans";;
+EOM
+ ;;
+ esac
+ ;;
+ esac
+fi
+# Respect a hint or command-line value.
+case "$shrpenv" in
+'') shrpenv="$tmp_shrpenv" ;;
esac
-: the following weeds options from ccflags that are of no interest to cpp
-cppflags="$ccflags"
-case "$gccversion" in
-1*) cppflags="$cppflags -D__GNUC__"
+: determine where manual pages go
+set man1dir man1dir 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 "$man1dir" in
+ '') man1dir="none";;
+ esac;;
esac
-case "$mips_type" in
-'');;
-*BSD*) cppflags="$cppflags -DSYSTYPE_BSD43";;
+echo "If you don't want the manual sources installed, answer 'none'."
+case "$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
-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
+echo " "
+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
+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).
-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 $ftry"
- previous=''
- else
- previous="$flag"
- fi
- done
- set X $cppflags
- shift
- cppflags=${1+"$@"}
- case "$cppflags" in
- *-*) echo "They appear to be: $cppflags";;
+ case "$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
+
+: What suffix to use on installed man pages
+
+case "$man1dir" in
+' ')
+ man1ext='0'
+ ;;
+*)
+ 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
- $rm -f cpp.c cpp?.out
+ . ./myread
+ man1ext="$ans"
;;
esac
-: flags used in final linking phase
-case "$ldflags" in
-'') if ./venix; then
- dflt='-i -z'
+: see if we can have long filenames
+echo " "
+rmlist="$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
- dflt=''
+ if (echo hi >$second) 2>/dev/null; then
+ if $test -f /tmp/cf$$/123456789abcde; then
+ $cat <<'EOM'
+That's peculiar... You can have filenames longer than 14 characters, but only
+on some of the filesystems. Maybe you are using NFS. Anyway, to avoid problems
+I shall consider your system cannot support long filenames at all.
+EOM
+ val="$undef"
+ else
+ echo 'You can have filenames longer than 14 characters.' >&4
+ val="$define"
+ fi
+ else
+ $cat <<'EOM'
+How confusing! Some of your filesystems are sane enough to allow filenames
+longer than 14 characters but some others like /tmp can't even think about them.
+So, for now on, I shall assume your kernel does not allow them at all.
+EOM
+ val="$undef"
+ fi
fi
- case "$ccflags" in
- *-posix*) dflt="$dflt -posix" ;;
- esac
- case "$dflt" in
- '') dflt='none' ;;
+else
+ $cat <<'EOM'
+You can't have filenames longer than 14 chars. You can't even think about them!
+EOM
+ val="$undef"
+fi
+set d_flexfnam
+eval $setvar
+$rm -rf /tmp/cf$$ 123456789abcde*
+
+: determine where library module manual pages go
+set man3dir man3dir none
+eval $prefixit
+$cat <<EOM
+
+$spackage has manual pages for many of the library modules.
+EOM
+
+case "$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
+
+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
+
+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="$ldflags";;
+' ') dflt=none;;
+*) dflt="$man3dir" ;;
esac
echo " "
-rp="Any additional ld flags (NOT including libraries)?"
-. ./myread
-case "$ans" in
-none) ldflags='';;
-*) ldflags="$ans";;
-esac
-rmlist="$rmlist pdp11"
-: Set private lib path
-case "$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
+fn=dn+~
+rp="Where do the $spackage library man pages (source) go?"
+. ./getfile
+if test "X$man3direxp" != "X$ansexp"; then
+ installman3dir=''
+fi
-: 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'
+man3dir="$ans"
+man3direxp="$ansexp"
+case "$man3dir" in
+'') man3dir=' '
+ installman3dir='';;
+esac
+if $afs; then
+ $cat <<EOM
-Some systems have incompatible or broken versions of libraries. Among
-the directories listed in the question below, please remove any you
-know not to be holding relevant libraries, and add any that are needed.
-Say "none" for none.
+Since you are running AFS, I need to distinguish the directory in which
+manual pages reside from the directory in which they are installed (and from
+which they are presumably copied to the former directory by occult means).
EOM
-case "$libpth" in
-'') dflt='none';;
+ case "$installman3dir" in
+ '') dflt=`echo $man3direxp | sed 's#^/afs/#/afs/.#'`;;
+ *) dflt="$installman3dir";;
+ esac
+ fn=de~
+ rp='Where will man pages be installed?'
+ . ./getfile
+ installman3dir="$ans"
+else
+ installman3dir="$man3direxp"
+fi
+
+: What suffix to use on installed man pages
+
+case "$man3dir" in
+' ')
+ man3ext='0'
+ ;;
*)
- set X $libpth
- shift
- dflt=${1+"$@"}
+ rp="What suffix should be used for the $spackage library man pages?"
+ case "$man3ext" in
+ '') case "$man3dir" in
+ *3) dflt=3 ;;
+ *3p) dflt=3p ;;
+ *3pm) dflt=3pm ;;
+ *l) dflt=l;;
+ *n) dflt=n;;
+ *o) dflt=o;;
+ *p) dflt=p;;
+ *C) dflt=C;;
+ *L) dflt=L;;
+ *L3) dflt=L3;;
+ *) dflt=3;;
+ esac
+ ;;
+ *) dflt="$man3ext";;
+ esac
+ . ./myread
+ man3ext="$ans"
;;
esac
-rp="Directories to use for library searches?"
-. ./myread
-case "$ans" in
-none) libpth=' ';;
-*) libpth="$ans";;
+
+: 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="$ans"
+done
-: compute shared library extension
-case "$so" in
-'')
- if xxx=`./loc libc.sl X $libpth`; $test -f "$xxx"; then
- dflt='sl'
- else
- dflt='so'
- fi
+: translate upper to lower if necessary
+case "$myhostname" in
+*[A-Z]*)
+ echo "(Normalizing case in your host name)"
+ myhostname=`echo $myhostname | ./tr '[A-Z]' '[a-z]'`
;;
-*) dflt="$so";;
esac
-$cat <<EOM
-
-On some systems, shared libraries may be available. Answer 'none' if
-you want to suppress searching of shared libraries for the remaining
-of this configuration.
-
-EOM
-rp='What is the file extension used for shared libraries?'
-. ./myread
-so="$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";;
+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=.
+ ;;
+ X.) echo "(You do not have fully-qualified names in /etc/hosts)"
+ ;;
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";;
+ case "$dflt" in
+ .)
+ tans=`./loc resolv.conf X /etc /usr/etc`
+ if $test -f "$tans"; then
+ echo "(Attempting domain name extraction from $tans)"
+ : Why was there an Egrep here, when Sed works?
+ : Look for either a search or a domain directive.
+ dflt=.`$sed -n -e 's/ / /g' \
+ -e 's/^search *\([^ ]*\).*/\1/p' $tans \
+ | ./tr '[A-Z]' '[a-z]' 2>/dev/null`
+ case "$dflt" in
+ .) dflt=.`$sed -n -e 's/ / /g' \
+ -e 's/^domain *\([^ ]*\).*/\1/p' $tans \
+ | ./tr '[A-Z]' '[a-z]' 2>/dev/null`
+ ;;
+ esac
+ fi
+ ;;
esac
- elif xxx=`./loc lib${thislib}_s.a X $libpth`; $test -f "$xxx"; then
- echo "Found -l${thislib}_s."
- case " $dflt " in
- *"-l$thislib "*);;
- *) dflt="$dflt -l${thislib}_s";;
+ 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 | $sed -e 's/^\.[^.]*//'`;;
+ esac
+ ;;
esac
- elif xxx=`./loc Slib$thislib.a X $xlibpth`; $test -f "$xxx"; then
- echo "Found -l$thislib."
- case " $dflt " in
- *"-l$thislib "*);;
- *) dflt="$dflt -l$thislib";;
+ case "$dflt" in
+ .) echo "(Lost all hope -- silly guess then)"
+ dflt='.uucp'
+ ;;
esac
- else
- echo "No -l$thislib."
- fi
-done
-set X $dflt
-shift
-dflt="$*"
-case "$libs" in
-'') dflt="$dflt";;
-*) dflt="$libs";;
-esac
-case "$dflt" in
-' '|'') dflt='none';;
+ $rm -f hosts
+ ;;
+ *) dflt="$mydomain";;
+ esac;;
esac
-
-$cat <<EOM
-
-Some versions of Unix support shared libraries, which make executables smaller
-but make load time slightly longer.
-
-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 $package on your machine as well. If your system
-needs the "-lc_s" option, include it here. Include any other special libraries
-here as well. Say "none" for none.
-EOM
-
echo " "
-rp="Any additional libraries?"
+rp="What is your domain name?"
. ./myread
+tans="$ans"
case "$ans" in
-none) libs=' ';;
-*) libs="$ans";;
+'') ;;
+.*) ;;
+*) tans=".$tans";;
esac
+mydomain="$tans"
-: 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 $dflt -gt 20; then
- dflt=y
- else
- dflt=n
- fi
+: translate upper to lower if necessary
+case "$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 "$usenm" in
- true) dflt=y;;
- *) dflt=n;;
+ case `$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
+
$cat <<EOM
-I can use 'nm' to extract the symbols from your C libraries. This is a time
-consuming task which may generate huge output on the disk (up to 3 megabytes)
-but that should make the symbols extraction faster. The alternative is to skip
-the 'nm' extraction part and to compile a small test program instead to
-determine whether each symbol is present. If you have a fast C compiler and/or
-if your 'nm' output cannot be parsed, this may be the best solution.
+I need to get your e-mail address in Internet format if possible, i.e.
+something like user@host.domain. Please answer accurately since I have
+no easy means to double check it. The default value provided below
+is most probably close to the reality but may not be valid from outside
+your organization...
EOM
-rp='Shall I use nm to extract C symbols from the libraries?'
-. ./myread
-case "$ans" in
-n|N) usenm=false;;
-*) usenm=true;;
-esac
-
-runnm=$usenm
-case "$reuseval" in
-true) runnm=false;;
-esac
-
-: 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 $test -f /dgux; then
- nm_opt='-p'
- else
- nm_opt=''
- fi;;
-esac
-
-case "$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 $libpth`
- esac
- ;;
-esac
-libnames='';
-case "$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 $thislib" ;;
+cont=x
+while test "$cont"; do
+ case "$cf_email" in
+ '') dflt="$cf_by@$myhostname$mydomain";;
+ *) dflt="$cf_email";;
esac
- done
- ;;
-esac
-xxx=normal
-case "$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
- ;;
-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
-fi
-if $test $xxx = apollo -o -r "$libc" || (test -h "$libc") >/dev/null 2>&1; then
- dflt="$libc"
- cat <<EOM
+ 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
-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.
+$cat <<EOM
-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 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
- $sed 's/^/ /' libpath
- cat <<EOM
+case "$perladmin" in
+'') dflt="$cf_email";;
+*) dflt="$perladmin";;
+esac
+rp='Perl administrator e-mail address'
+. ./myread
+perladmin="$ans"
-None of these seems to contain your C library. I need to get its name...
+: figure out how to guarantee perl startup
+case "$startperl" in
+'')
+ case "$sharpbang" in
+ *!)
+ $cat <<EOH
+
+I can use the #! construct to start perl on your system. This will
+make startup of perl scripts faster, but may cause problems if you
+want to share those scripts and perl is not in a standard place
+($binexp/perl) on all your platforms. The alternative is to force
+a shell by starting the script with a single ':' character.
+
+EOH
+ dflt="$binexp/perl"
+ rp='What shall I put after the #! to start up perl ("none" to not use #!)?'
+ . ./myread
+ case "$ans" in
+ none) startperl=": # use perl";;
+ *) startperl="#!$ans";;
+ esac
+ ;;
+ *) startperl=": # use perl"
+ ;;
+ esac
+ ;;
+esac
+echo "I'll use $startperl to start perl scripts."
+: figure best path for perl in scripts
+case "$perlpath" in
+'')
+ perlpath="$binexp/perl"
+ case "$startperl" in
+ *!*) ;;
+ *)
+ $cat <<EOH
+
+I will use the "eval 'exec'" idiom to start Perl on your system.
+I can use the full path of your Perl binary for this purpose, but
+doing so may cause problems if you want to share those scripts and
+Perl is not always in a standard place ($binexp/perl).
+
+EOH
+ dflt="$binexp/perl"
+ rp="What path shall I use in \"eval 'exec'\"?"
+ . ./myread
+ perlpath="$ans"
+ ;;
+ esac
+ ;;
+esac
+case "$startperl" in
+*!*) ;;
+*) echo "I'll use $perlpath in \"eval 'exec'\"" ;;
+esac
+
+: 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
+$cat <<EOM
+
+Some installations have a separate directory just for executable scripts so
+that they can mount it across multiple architectures but keep the scripts in
+one spot. You might, for example, have a subdirectory of /usr/share for this.
+Or you might just lump your scripts in with all your other executables.
+
EOM
-fi
-fn=f
-rp='Where is your C library?'
+fn=d~
+rp='Where do you keep publicly executable scripts?'
. ./getfile
-libc="$ans"
+if $test "X$ansexp" != "X$scriptdirexp"; then
+ installscript=''
+fi
+scriptdir="$ans"
+scriptdirexp="$ansexp"
+if $afs; then
+ $cat <<EOM
-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
+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).
-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/^.* [ADTSI] *_[_.]*//p' -e 's/^.* [ADTSI] //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 $xrun
+EOM
+ case "$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
- nm -p $* 2>/dev/null >libc.tmp
- com="$sed -n -e 's/^.* [ADTS] *_[_.]*//p' -e 's/^.* [ADTS] //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 $thisname >>libc.tmp
- done
- echo "Ok." >&4
- else
- echo "That didn't work either. Giving up." >&4
- exit 1
- fi
- fi
- fi
-fi
-nm_extract="$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$/\1/p' /lib/syscalls.exp >>libc.list
+ installscript="$scriptdirexp"
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"'
+cat <<EOM
-: 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?"
+Previous version of $package used the standard IO mechanisms as defined in
+<stdio.h>. Versions 5.003_02 and later of perl allow alternate IO
+mechanisms via a "PerlIO" abstraction, but the stdio mechanism is still
+the default and is the only supported mechanism. This abstraction
+layer can use AT&T's sfio (if you already have sfio installed) or
+fall back on standard IO. This PerlIO abstraction layer is
+experimental and may cause problems with some extension modules.
+
+If this doesn't make any sense to you, just accept the default 'n'.
+EOM
+case "$useperlio" in
+$define|true|[yY]*) dflt='y';;
+*) dflt='n';;
+esac
+rp='Use the experimental PerlIO abstraction layer?'
. ./myread
case "$ans" in
-y) td=$was; tu=$was;;
+y|Y)
+ val="$define"
+ ;;
+*)
+ echo "Ok, doing things the stdio way"
+ val="$undef"
+ ;;
esac
-EOSC
+set useperlio
+eval $setvar
-: define an is-in-libc? function
-inlibc='echo " "; td=$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 "$sym() NOT found." >&4;;
- esac;;
-esac'
+: Check how to convert floats to strings.
+echo " "
+echo "Checking for an efficient way to convert floats to strings."
+$cat >try.c <<'EOP'
+#ifdef TRY_gconvert
+#define Gconvert(x,n,t,b) gconvert((x),(n),(t),(b))
+char *myname = "gconvert";
+#endif
+#ifdef TRY_gcvt
+#define Gconvert(x,n,t,b) gcvt((x),(n),(b))
+char *myname = "gcvt";
+#endif
+#ifdef TRY_sprintf
+#define Gconvert(x,n,t,b) sprintf((b),"%.*g",(n),(x))
+char *myname = "sprintf";
+#endif
-: see if gconvert exists
-set gconvert d_gconvert
-eval $inlibc
+#include <stdio.h>
-case "$d_gconvert" in
-$define)
- echo "We'll use it to convert floats into a string then." >&4
- d_Gconvert="gconvert((x),(n),(t),(b))"
- ;;
-*)
- : Maybe we can emulate it with gcvt.
- set gcvt d_gcvt
- eval $inlibc
+int
+checkit(expect, got)
+char *expect;
+char *got;
+{
+ if (strcmp(expect, got)) {
+ printf("%s oddity: Expected %s, got %s\n",
+ myname, expect, got);
+ exit(1);
+ }
+}
- case "$d_gcvt" in
- $define)
- : Test whether gcvt drops a trailing decimal point
- $cat >try.c <<'EOP'
-main() {
+int
+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);
+ buf[63] = '\0';
+
+ /* This must be 1st test on (which?) platform */
+ /* Alan Burlison <AlanBurlsin@unn.unisys.com> */
+ Gconvert(0.1, 8, 0, buf);
+ checkit("0.1", buf);
+
+ Gconvert(1.0, 8, 0, buf);
+ checkit("1", buf);
+
+ Gconvert(0.0, 8, 0, buf);
+ checkit("0", buf);
+
+ Gconvert(-1.0, 8, 0, buf);
+ checkit("-1", buf);
+
+ /* Some Linux gcvt's give 1.e+5 here. */
+ Gconvert(100000.0, 8, 0, buf);
+ checkit("100000", buf);
+
+ /* Some Linux gcvt's give -1.e+5 here. */
+ Gconvert(-100000.0, 8, 0, buf);
+ checkit("-100000", buf);
+
exit(0);
}
EOP
- if $cc $ccflags $ldflags -o try try.c $libs > /dev/null 2>&1; then
- if ./try; then
- echo "Good, your gcvt() drops a trailing decimal point."
- echo "We'll use it to convert floats into a string." >&4
- d_Gconvert="gcvt((x),(n),(b))"
- else
- echo "But your gcvt() keeps a trailing decimal point".
- d_Gconvert=''
- fi
+case "$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 "I'll use $xxx_convert to convert floats into a string." >&4
+ break;
else
- echo "Hmm. I can't compile the gcvt test program."
- d_Gconvert=''
+ echo "...But $xxx_convert didn't work as I expected."
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
+ 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
: Initialize h_fcntl
: Initialize h_sysfile
h_sysfile=false
-: 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 $pos field of the line."
-
-: locate header file
-$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
-
: access call always available on UNIX
set access d_access
eval $inlibc
set alarm d_alarm
eval $inlibc
-: is AFS running?
-echo " "
-if test -d /afs; then
- echo "AFS may be running... I'll be extra cautious then..." >&4
- afs=true
-else
- echo "AFS does not seem to be running..." >&4
- afs=false
-fi
-
-: determine root of directory hierarchy where package will be installed.
-case "$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 $package among your system
-binaries. If you wish to have binaries under /bin but manual pages
-under /usr/local/man, that's ok: you will be prompted separately
-for each of the installation directories, the prefix being only used
-to set defaults.
-
-EOM
-fn=d~
-rp='Installation prefix to use?'
-. ./getfile
-prefix="$ans"
-
-: determine where private executables go
-case "$privlib" in
-'')
- dflt=$prefix/lib/$package
- ;;
-*) dflt="$privlib"
- ;;
-esac
-$cat <<EOM
-
-There are some auxiliary files for $package that need to be put into a
-private library directory that is accessible by everyone.
-
-EOM
-fn=d~+
-rp='Pathname where private library files will reside?'
-. ./getfile
-privlib="$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
-
-: determine where public architecture dependent libraries go
-case "$archname" in
-'') tpath=`echo $PATH | sed -e 's/:/ /g'`
- if xxx=`./loc arch blurfl $tpath`; test -f "$xxx"; then
- tarchname=`arch`
- archname="${tarchname}-$osname"
- elif xxx=`./loc uname blurfl $tpath`; test -f "$xxx" ; then
- if uname -m > tmparch 2>&1 ; then
- tarchname=`cat tmparch`
- archname="${tarchname}-$osname"
- fi
- rm -f tmparch
- else
- archname="$osname"
- fi
- ;;
-esac
-case "$archlib" in
-'')
- case "$privlib" in
- '') dflt=`./loc . "." $prefix/lib /usr/local/lib /usr/lib /lib`;;
- *) dflt="$privlib/$archname";;
- esac
- ;;
-*) dflt="$archlib";;
-esac
-cat <<EOM
-
-$package contains architecture-dependent library files. If you are
-sharing libraries in a heterogeneous environment, you might store
-these files in a separate location. Otherwise, you can just include
-them with the rest of the public library files.
-
-EOM
-fn=d~
-rp='Where do you want to put the public architecture-dependent libraries?'
-. ./getfile
-archlib="$ans"
-archlibexp="$ansexp"
-
-if $afs; then
- $cat <<EOM
-
-Since you are running AFS, I need to distinguish the directory in which
-private files reside from the directory in which they are installed (and from
-which they are presumably copied to the former directory by occult means).
-
-EOM
- case "$installarchlib" in
- '') dflt=`echo $archlibexp | sed 's#^/afs/#/afs/.#'`;;
- *) dflt="$installarchlib";;
- esac
- fn=de~
- rp='Where will architecture-dependent library files be installed?'
- . ./getfile
- installarchlib="$ans"
-else
- installarchlib="$archlibexp"
-fi
-if $test X"$archlib" = X"$privlib"; then
- d_archlib="$undef"
-else
- d_archlib="$define"
-fi
-
-: 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'
-
: 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 $ccflags -c attrib.c >attrib.out 2>&1 ; then
echo "Your C compiler doesn't fully support __attribute__."
val="$undef"
else
- echo "Your C compiler supports __attribute__."
- val="$define"
+ echo "Your C compiler supports __attribute__."
+ val="$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*
+
+: see if bcmp exists
+set bcmp d_bcmp
+eval $inlibc
+
+: see if bcopy exists
+set bcopy d_bcopy
+eval $inlibc
+
+: see if this is a unistd.h system
+set unistd.h i_unistd
+eval $inhdr
+
+: see if getpgrp exists
+set getpgrp d_getpgrp
+eval $inlibc
+
+echo "Checking to see which flavor of getpgrp is in use . . . "
+case "$d_getpgrp" in
+"$define")
+ echo " "
+ $cat >set.c <<EOP
+#$i_unistd I_UNISTD
+#include <sys/types.h>
+#ifdef I_UNISTD
+# include <unistd.h>
+#endif
+main()
+{
+ if (getuid() == 0) {
+ printf("(I see you are running Configure as super-user...)\n");
+ setuid(1);
+ }
+#ifdef TRY_BSD_PGRP
+ if (getpgrp(1) == 0)
+ exit(0);
+#else
+ if (getpgrp() > 0)
+ exit(0);
+#endif
+ exit(1);
+}
+EOP
+ if $cc -DTRY_BSD_PGRP $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1 && ./set; then
+ echo "You have to use getpgrp(pid) instead of getpgrp()." >&4
+ val="$define"
+ elif $cc $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1 && ./set; then
+ echo "You have to use getpgrp() instead of getpgrp(pid)." >&4
+ val="$undef"
+ else
+ echo "I can't seem to compile and run the test program."
+ if ./usg; then
+ xxx="a USG one, i.e. you use getpgrp()."
+ else
+ # SVR4 systems can appear rather BSD-ish.
+ case "$i_unistd" in
+ $undef)
+ xxx="a BSD one, i.e. you use getpgrp(pid)."
+ val="$define"
+ ;;
+ $define)
+ xxx="probably a USG one, i.e. you use getpgrp()."
+ val="$undef"
+ ;;
+ esac
+ fi
+ echo "Assuming your getpgrp is $xxx" >&4
fi
-else
- echo "Your C compiler doesn't seem to understand __attribute__ at all."
- val="$undef"
-fi
-set d_attribut
+ ;;
+*) val="$undef";;
+esac
+set d_bsdgetpgrp
eval $setvar
-$rm -f attrib*
-
-: see if bcmp exists
-set bcmp d_bcmp
-eval $inlibc
-
-: see if bcopy exists
-set bcopy d_bcopy
-eval $inlibc
+$rm -f set set.c
: see if setpgrp exists
set setpgrp d_setpgrp
eval $inlibc
-: see which flavor of setpgrp is in use
+echo "Checking to see which flavor of setpgrp is in use . . . "
case "$d_setpgrp" in
"$define")
echo " "
$cat >set.c <<EOP
+#$i_unistd I_UNISTD
+#include <sys/types.h>
+#ifdef I_UNISTD
+# include <unistd.h>
+#endif
main()
{
if (getuid() == 0) {
printf("(I see you are running Configure as super-user...)\n");
setuid(1);
}
+#ifdef TRY_BSD_PGRP
if (-1 == setpgrp(1, 1))
- exit(1);
- exit(0);
+ exit(0);
+#else
+ if (setpgrp() != -1)
+ exit(0);
+#endif
+ exit(1);
}
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";;
- esac
+ if $cc -DTRY_BSD_PGRP $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1 && ./set; then
+ echo 'You have to use setpgrp(pid,pgrp) instead of setpgrp().' >&4
+ val="$define"
+ elif $cc $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1 && ./set; then
+ echo 'You have to use setpgrp() instead of setpgrp(pid,pgrp).' >&4
+ val="$undef"
else
+ echo "I can't seem to compile and run the test program."
if ./usg; then
- xxx="USG one, i.e. you use setpgrp()."
- val="$undef"
+ xxx="a USG one, i.e. you use setpgrp()."
else
- xxx="BSD one, i.e. you use setpgrp(pid, pgrp)."
- val="$define"
+ # SVR4 systems can appear rather BSD-ish.
+ case "$i_unistd" in
+ $undef)
+ xxx="a BSD one, i.e. you use setpgrp(pid,pgrp)."
+ val="$define"
+ ;;
+ $define)
+ xxx="probably a USG one, i.e. you use setpgrp()."
+ val="$undef"
+ ;;
+ esac
fi
- echo "Assuming your setpgrp is a $xxx" >&4
+ echo "Assuming your setpgrp is $xxx" >&4
fi
;;
*) val="$undef";;
esac
-set d_bsdpgrp
+set d_bsdsetpgrp
eval $setvar
+d_bsdpgrp=$d_bsdsetpgrp
$rm -f set set.c
-
: see if bzero exists
set bzero d_bzero
eval $inlibc
-: check for length of integer
+: check for lengths of integral types
echo " "
case "$intsize" in
'')
echo "Checking to see how big your integers are..." >&4
- $cat >try.c <<'EOCP'
+ $cat >intsize.c <<'EOCP'
#include <stdio.h>
main()
{
- printf("%d\n", sizeof(int));
+ printf("intsize=%d;\n", sizeof(int));
+ printf("longsize=%d;\n", sizeof(long));
+ printf("shortsize=%d;\n", sizeof(short));
+ fflush(stdout);
+ exit(0);
}
EOCP
- if $cc $ccflags try.c -o try >/dev/null 2>&1 ; then
- dflt=`./try`
+# If $libs contains -lsfio, and sfio is mis-configured, then it
+# sometimes (apparently) runs and exits with a 0 status, but with no
+# output!. Thus we check with test -s whether we actually got any
+# output. I think it has to do with sfio's use of _exit vs. exit,
+# but I don't know for sure. --Andy Dougherty 1/27/97.
+ if $cc $optimize $ccflags $ldflags -o intsize intsize.c $libs >/dev/null 2>&1 &&
+ ./intsize > intsize.out 2>/dev/null && test -s intsize.out ; then
+ eval `$cat intsize.out`
+ echo "Your integers are $intsize bytes long."
+ echo "Your long integers are $longsize bytes long."
+ echo "Your short integers are $shortsize bytes long."
else
- dflt='4'
- echo "(I can't seem to compile the test program. Guessing...)"
+ $cat >&4 <<EOM
+
+Help! I can't compile and run the intsize test program: please enlighten me!
+(This is probably a misconfiguration in your system or libraries, and
+you really ought to fix it. Still, I'll try anyway.)
+
+EOM
+ dflt=4
+ rp="What is the size of an integer (in bytes)?"
+ . ./myread
+ intsize="$ans"
+ dflt=$intsize
+ rp="What is the size of a long integer (in bytes)?"
+ . ./myread
+ longsize="$ans"
+ dflt=2
+ rp="What is the size of a short integer (in bytes)?"
+ . ./myread
+ shortsize="$ans"
fi
;;
-*)
- dflt="$intsize"
- ;;
esac
-rp="What is the size of an integer (in bytes)?"
-. ./myread
-intsize="$ans"
-$rm -f try.c try
+$rm -f intsize intsize.[co] intsize.out
: see if signal is declared as pointer to function returning int or void
echo " "
$cat >try.c <<EOCP
#include <sys/types.h>
#include <signal.h>
-$signal_t blech() { exit(3); }
+$signal_t blech() { exit(7); }
+$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;
+ double f = -123.;
unsigned long along;
unsigned int aint;
unsigned short ashort;
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);
}
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=3
-fi
-case "$castflags" in
-0) val="$define"
- echo "Yup, it can."
- ;;
-*) val="$undef"
- echo "Nope, it can't."
- ;;
-esac
-set d_castneg
-eval $setvar
-$rm -f try.*
-
-: 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>
-
-main() { xxx("foo"); }
-
-xxx(va_alist)
-va_dcl
-{
- va_list args;
- char buf[10];
-
- 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
- echo "Your vsprintf() returns (char*)." >&4
- val2="$define"
- fi
-else
- echo 'vprintf() NOT found.' >&4
- val="$undef"
- val2="$undef"
-fi
-set d_vprintf
-eval $setvar
-val=$val2
-set d_charvspr
-eval $setvar
-
-: see if chown exists
-set chown d_chown
-eval $inlibc
-
-: see if chroot exists
-set chroot d_chroot
-eval $inlibc
-
-: see if chsize exists
-set chsize d_chsize
-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 crypt exists
-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="$undef"
- else
- val="$define"
- fi
-fi
-set d_crypt
-eval $setvar
-
-: get csh whereabouts
-case "$csh" in
-'csh') val="$undef" ;;
-*) val="$define" ;;
-esac
-set d_csh
-eval $setvar
-
-: see if cuserid exists
-set cuserid d_cuserid
-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 limits.h system
-set limits.h i_limits
-eval $inhdr
-
-: see if this is a float.h system
-set float.h i_float
-eval $inhdr
-
-: See if number of significant digits in a double precision number is known
-echo " "
-$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"
+ castflags=$?
else
- echo "DBL_DIG NOT found." >&4
- val="$undef"
+ echo "(I can't seem to compile the test program--assuming it can't)"
+ castflags=7
fi
-$rm -f dbl_dig.?
-set d_dbl_dig
+case "$castflags" in
+0) val="$define"
+ echo "Yup, it can."
+ ;;
+*) val="$undef"
+ echo "Nope, it can't."
+ ;;
+esac
+set d_castneg
eval $setvar
+$rm -f try.*
-: see if difftime exists
-set difftime d_difftime
-eval $inlibc
-
-: see if this is a dirent system
+: see if vprintf exists
echo " "
-if xinc=`./findhdr dirent.h`; $test "$xinc"; then
+if set vprintf val -f d_vprintf; eval $csym; $val; then
+ echo 'vprintf() found.' >&4
val="$define"
- echo "<dirent.h> found." >&4
-else
- val="$undef"
- if xinc=`./findhdr sys/dir.h`; $test "$xinc"; then
- echo "<sys/dir.h> found." >&4
- echo " "
+ $cat >vprintf.c <<'EOF'
+#include <varargs.h>
+
+main() { xxx("foo"); }
+
+xxx(va_alist)
+va_dcl
+{
+ va_list args;
+ char buf[10];
+
+ 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
- xinc=`./findhdr sys/ndir.h`
+ echo "Your vsprintf() returns (char*)." >&4
+ val2="$define"
fi
- echo "<dirent.h> NOT found." >&4
+else
+ echo 'vprintf() NOT found.' >&4
+ val="$undef"
+ val2="$undef"
fi
-set i_dirent
+set d_vprintf
+eval $setvar
+val=$val2
+set d_charvspr
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
+: see if chown exists
+set chown d_chown
+eval $inlibc
-case "$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
+: see if chroot exists
+set chroot d_chroot
+eval $inlibc
+: see if chsize exists
+set chsize d_chsize
+eval $inlibc
-: see if the directory entry stores field length
+: check for const keyword
echo " "
-$cppstdin $cppflags $cppminus < "$xinc" > try.c
-if $contains 'd_namlen' try.c >/dev/null 2>&1; then
- echo "Good, your directory entry keeps length information in d_namlen." >&4
+echo 'Checking to see if your C compiler knows about "const"...' >&4
+$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
- echo "Your directory entry does not know about the d_namlen field." >&4
val="$undef"
+ echo "Nope, it doesn't."
fi
-set d_dirnamlen
+set d_const
eval $setvar
-$rm -f try.c
-
-: see if dlerror exists
-set dlerror d_dlerror
-eval $inlibc
-
-: see if dld is available
-set dld.h i_dld
-eval $inhdr
-
-: see if dlopen exists
-set dlopen d_dlopen
-eval $inlibc
-: determine which dynamic loading, if any, to compile in
+: see if crypt exists
echo " "
-dldir="ext/DynaLoader"
-case "$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' ;;
- 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"
- 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@'`
- $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 "$cc" in
- *gcc*) dflt='-fpic' ;;
- *) case "$osname" in
- hpux) dflt='+z' ;;
- next) dflt='none' ;;
- solaris) dflt='-K pic' ;;
- sunos) dflt='-pic' ;;
- svr4*|esix*) dflt='-Kpic' ;;
- *) dflt='none' ;;
- esac ;;
- 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="$ans" ;;
- esac
-
- cat << 'EOM'
-
-Some systems may require passing special flags to ld to create a
-library that can be dynamically loaded. If your ld flags include
--L/other/path options to locate libraries outside your loader's normal
-search path, you may need to specify those -L options here as well. To
-use no flags, say "none".
-
-EOM
- case "$lddlflags" in
- ''|' ') case "$osname" in
- hpux) dflt='-b' ;;
- 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
-
- cat <<EOM
-
-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".
+if set crypt val -f d_crypt; eval $csym; $val; then
+ echo 'crypt() found.' >&4
+ val="$define"
+ cryptlib=''
+else
+ cryptlib=`./loc Slibcrypt$lib_ext "" $xlibpth`
+ if $test -z "$cryptlib"; then
+ cryptlib=`./loc Mlibcrypt$lib_ext "" $xlibpth`
+ else
+ cryptlib=-lcrypt
+ fi
+ if $test -z "$cryptlib"; then
+ cryptlib=`./loc Llibcrypt$lib_ext "" $xlibpth`
+ else
+ cryptlib=-lcrypt
+ fi
+ if $test -z "$cryptlib"; then
+ cryptlib=`./loc libcrypt$lib_ext "" $libpth`
+ else
+ cryptlib=-lcrypt
+ fi
+ if $test -z "$cryptlib"; then
+ echo 'crypt() NOT found.' >&4
+ val="$undef"
+ else
+ val="$define"
+ fi
+fi
+set d_crypt
+eval $setvar
-EOM
- case "$ccdlflags" in
- ''|' ') case "$osname" in
- hpux) dflt='none' ;;
- next) dflt='none' ;;
- sunos) dflt='none' ;;
- *) dflt='none' ;;
- esac ;;
- *) dflt="$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"
- dlsrc='dl_none.xs'
- lddlflags=''
- ccdlflags=''
- ;;
+: get csh whereabouts
+case "$csh" in
+'csh') val="$undef" ;;
+*) val="$define" ;;
esac
+set d_csh
+eval $setvar
+full_csh=$csh
-val="$undef"
-case "$osname" in
-esix*|svr4*)
- case "$usedl" in
- $define)
- $cat <<EOM
+: see if cuserid exists
+set cuserid d_cuserid
+eval $inlibc
+
+: see if this is a limits.h system
+set limits.h i_limits
+eval $inhdr
-System V Release 4 systems can support dynamic loading
-only if libperl is created as a shared library.
+: see if this is a float.h system
+set float.h i_float
+eval $inhdr
+: See if number of significant digits in a double precision number is known
+echo " "
+$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"
- ;;
- esac ;;
-esac
-set d_shrplib; eval $setvar
-case "$d_shrplib" in
-$define)
- cat <<EOM >&4
+else
+ echo "DBL_DIG NOT found." >&4
+ val="$undef"
+fi
+$rm -f dbl_dig.?
+set d_dbl_dig
+eval $setvar
-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 difftime exists
+set difftime d_difftime
+eval $inlibc
-EOM
-;;
-esac
-case "$d_shrplib" in
-$define)
- case "$shrpdir" in
- "") dflt="$archlib/CORE";;
- *) dflt="$shrpdir";;
+: see if this is a dirent system
+echo " "
+if xinc=`./findhdr dirent.h`; $test "$xinc"; then
+ val="$define"
+ echo "<dirent.h> found." >&4
+else
+ val="$undef"
+ if xinc=`./findhdr sys/dir.h`; $test "$xinc"; then
+ echo "<sys/dir.h> found." >&4
+ echo " "
+ else
+ xinc=`./findhdr sys/ndir.h`
+ 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
+ $define) guess1='struct dirent' ;;
+ *) guess1='struct direct' ;;
esac
- rp="What directory should we install the shared libperl into?"
- fn="d~"
- . ./getfile
- shrpdir="$ans"
;;
-*) shrpdir='none'
+*) 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
+
+
+: 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"
+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
+
+: see if dlerror exists
+xxx_runnm="$runnm"
+runnm=false
+set dlerror d_dlerror
+eval $inlibc
+runnm="$xxx_runnm"
+
: see if dlfcn is available
set dlfcn.h i_dlfcn
eval $inhdr
#include <nlist.h>
#include <link.h>
#endif
-
-extern int fred() ;
-
-main()
-{
- void * handle ;
- void * symbol ;
-#ifndef RTLD_LAZY
- int mode = 1 ;
-#else
- int mode = RTLD_LAZY ;
+
+extern int fred() ;
+
+main()
+{
+ void * handle ;
+ void * symbol ;
+#ifndef RTLD_LAZY
+ int mode = 1 ;
+#else
+ int mode = RTLD_LAZY ;
+#endif
+ handle = dlopen("./dyna.$dlext", mode) ;
+ if (handle == NULL) {
+ printf ("1\n") ;
+ fflush (stdout) ;
+ exit(0);
+ }
+ symbol = dlsym(handle, "fred") ;
+ if (symbol == NULL) {
+ /* try putting a leading underscore */
+ symbol = dlsym(handle, "_fred") ;
+ if (symbol == NULL) {
+ printf ("2\n") ;
+ fflush (stdout) ;
+ exit(0);
+ }
+ printf ("3\n") ;
+ }
+ else
+ printf ("4\n") ;
+ fflush (stdout) ;
+ exit(0);
+}
+EOM
+ : Call the object file tmp-dyna.o in case dlext=o.
+ if $cc $ccflags $cccdlflags -c dyna.c > /dev/null 2>&1 &&
+ mv dyna${obj_ext} tmp-dyna${obj_ext} > /dev/null 2>&1 &&
+ $ld $lddlflags -o dyna.$dlext tmp-dyna${obj_ext} > /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
+ ;;
+esac
+
+$rm -f fred fred.? dyna.$dlext dyna.? tmp-dyna.?
+
+set d_dlsymun
+eval $setvar
+
+: see if dup2 exists
+set dup2 d_dup2
+eval $inlibc
+
+: Locate the flags for 'open()'
+echo " "
+$cat >open3.c <<'EOCP'
+#include <sys/types.h>
+#ifdef I_FCNTL
+#include <fcntl.h>
+#endif
+#ifdef I_SYS_FILE
+#include <sys/file.h>
+#endif
+main() {
+ if(O_RDONLY);
+#ifdef O_TRUNC
+ exit(0);
+#else
+ exit(1);
+#endif
+}
+EOCP
+: check sys/file.h first to get FREAD on Sun
+if $test `./findhdr sys/file.h` && \
+ $cc $cppflags "-DI_SYS_FILE" open3.c -o open3 >/dev/null 2>&1 ; then
+ h_sysfile=true;
+ echo "<sys/file.h> defines the O_* constants..." >&4
+ if ./open3; then
+ echo "and you have the 3 argument form of open()." >&4
+ val="$define"
+ else
+ echo "but not the 3 argument form of open(). Oh, well." >&4
+ val="$undef"
+ fi
+elif $test `./findhdr fcntl.h` && \
+ $cc "-DI_FCNTL" open3.c -o open3 >/dev/null 2>&1 ; then
+ h_fcntl=true;
+ echo "<fcntl.h> defines the O_* constants..." >&4
+ if ./open3; then
+ echo "and you have the 3 argument form of open()." >&4
+ val="$define"
+ else
+ echo "but not the 3 argument form of open(). Oh, well." >&4
+ val="$undef"
+ fi
+else
+ val="$undef"
+ echo "I can't find the O_* constant definitions! You got problems." >&4
+fi
+set d_open3
+eval $setvar
+$rm -f open3*
+
+: 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 " "
+echo "Figuring out the flag used by open() for non-blocking I/O..." >&4
+case "$o_nonblock" in
+'')
+ $cat head.c > try.c
+ $cat >>try.c <<'EOCP'
+main() {
+#ifdef O_NONBLOCK
+ printf("O_NONBLOCK\n");
+ exit(0);
+#endif
+#ifdef O_NDELAY
+ printf("O_NDELAY\n");
+ exit(0);
+#endif
+#ifdef FNDELAY
+ printf("FNDELAY\n");
+ exit(0);
#endif
- handle = dlopen("./dyna.$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;;
+EOCP
+ 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 and run the test program." >&4
+ echo "(I can't compile the test program; pray O_NONBLOCK is right!)"
fi
;;
+*) echo "Using $hint value $o_nonblock.";;
esac
-
-$rm -f fred fred.? dyna.$dlext dyna.?
-
-set d_dlsymun
-eval $setvar
-
-: see if setuid scripts can be secure
-$cat <<EOM
-
-Some kernels have a bug that prevents setuid #! scripts from being
-secure. Some sites have disabled setuid #! scripts because of this.
-
-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
+$rm -f try try.* .out core
-val="$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
- $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'.
+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
+ $cat >> try.c <<'EOCP'
+main()
+{
+ int pd[2];
+ int pu[2];
+ char buf[1];
+ char string[100];
+
+ pipe(pd); /* Down: child -> parent */
+ pipe(pu); /* Up: parent -> child */
+ if (0 != fork()) {
+ int ret;
+ close(pd[1]); /* Parent reads from pd[0] */
+ close(pu[0]); /* Parent writes (blocking) to pu[1] */
+ if (-1 == fcntl(pd[0], F_SETFL, MY_O_NONBLOCK))
+ exit(1);
+ signal(SIGALRM, blech);
+ alarm(5);
+ if ((ret = read(pd[0], buf, 1)) > 0) /* Nothing to read! */
+ exit(2);
+ sprintf(string, "%d\n", ret);
+ write(2, string, strlen(string));
+ alarm(0);
+#ifdef EAGAIN
+ if (errno == EAGAIN) {
+ printf("EAGAIN\n");
+ goto ok;
+ }
+#endif
+#ifdef EWOULDBLOCK
+ if (errno == EWOULDBLOCK)
+ printf("EWOULDBLOCK\n");
+#endif
+ ok:
+ write(pu[1], buf, 1); /* Unblocks child, tell it to close our pipe */
+ sleep(2); /* Give it time to close our pipe */
+ alarm(5);
+ ret = read(pd[0], buf, 1); /* Should read EOF */
+ alarm(0);
+ sprintf(string, "%d\n", ret);
+ write(3, string, strlen(string));
+ exit(0);
+ }
-EOM
- rp='Other username to test security of setuid scripts with?'
- dflt='none'
- . ./myread
- case "$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
+ 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 $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
;;
*)
- $rm -f reflect flect
- echo "#!$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
+ echo "Your read() sets errno to $eagain when no data is available."
;;
esac
- rp='Does your kernel have *secure* setuid scripts?'
- . ./myread
- case "$ans" in
- [yY]*) val="$define";;
- *) val="$undef";;
+ 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 "$status" = "$rd_nodata"; then
+ echo "WARNING: you can't distinguish between EOF and no data!"
+ val="$undef"
+ fi
+ else
+ echo "I can't compile the test program--assuming errno EAGAIN will do."
+ eagain=EAGAIN
fi
-else
- echo "I don't think setuid scripts are secure (no /dev/fd directory)." >&4
- val="$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
+ set d_eofnblk
+ eval $setvar
;;
*)
- $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";;
+ 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
-set d_dosuid
-eval $setvar
-
-: see if drem exists
-set drem d_drem
-eval $inlibc
-
-: see if dup2 exists
-set dup2 d_dup2
-eval $inlibc
+$rm -f try try.* .out core head.c mtry
: see if fchmod exists
set fchmod d_fchmod
set fgetpos d_fgetpos
eval $inlibc
-: see if we can have long filenames
-echo " "
-rmlist="$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$$/123456789abcde; then
- $cat <<'EOM'
-That's peculiar... You can have filenames longer than 14 characters, but only
-on some of the filesystems. Maybe you are using NFS. Anyway, to avoid problems
-I shall consider your system cannot support long filenames at all.
-EOM
- val="$undef"
- else
- echo 'You can have filenames longer than 14 characters.' >&4
- val="$define"
- fi
- else
- $cat <<'EOM'
-How confusing! Some of your filesystems are sane enough to allow filenames
-longer than 14 characters but some others like /tmp can't even think about them.
-So, for now on, I shall assume your kernel does not allow them at all.
-EOM
- val="$undef"
- fi
- fi
-else
- $cat <<'EOM'
-You can't have filenames longer than 14 chars. You can't even think about them!
-EOM
- val="$undef"
-fi
-set d_flexfnam
-eval $setvar
-$rm -rf /tmp/cf$$ 123456789abcde*
-
: see if flock exists
set flock d_flock
eval $inlibc
-: see if fmod exists
-set fmod d_fmod
-eval $inlibc
-
: see if fork exists
set fork d_fork
eval $inlibc
set getlogin d_getlogin
eval $inlibc
-: see if getpgrp exists
-set getpgrp d_getpgrp
+: see if getpgid exists
+set getpgid d_getpgid
eval $inlibc
: see if getpgrp2 exists
set getpriority d_getprior
eval $inlibc
-: see if group exists
-set group d_group
+: see if gettimeofday or ftime exists
+set gettimeofday d_gettimeod
eval $inlibc
+case "$d_gettimeod" in
+"$undef")
+ set ftime d_ftime
+ eval $inlibc
+ ;;
+*)
+ val="$undef"; set d_ftime; eval $setvar
+ ;;
+esac
+case "$d_gettimeod$d_ftime" in
+"$undef$undef")
+ echo " "
+ echo 'No ftime() nor gettimeofday() -- timing may be less accurate.' >&4
+ ;;
+esac
: see if this is a netinet/in.h or sys/in.h system
set netinet/in.h i_niin sys/in.h i_sysin
val="$vali"
set d_index; eval $setvar
+: check whether inet_aton exists
+set inet_aton d_inetaton
+eval $inlibc
+
: Look for isascii
echo " "
$cat >isascii.c <<'EOCP'
set link d_link
eval $inlibc
-: see if stdio is really std
-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
- $rm -f stdio.E
- ;;
-*) val="$undef" ;;
-esac
-
-set d_linuxstd
-eval $setvar
-
: see if localeconv exists
set localeconv d_locconv
eval $inlibc
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
;;
esac
-: compute the type returned by malloc
+: compute the return types of malloc and free
echo " "
-case "$malloctype" in
-'')
- $cat >malloc.c <<END
+$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
- if $cc $ccflags -c malloc.c >/dev/null 2>&1; then
+case "$malloctype" in
+'')
+ if $cc $ccflags -c -DTRY_MALLOC malloc.c >/dev/null 2>&1; then
malloctype='void *'
else
malloctype='char *'
fi
- $rm -f malloc.[co]
;;
esac
echo "Your system wants malloc to return '$malloctype', it would seem." >&4
-: see if nice exists
-set nice d_nice
-eval $inlibc
-
-: Locate the flags for 'open()'
-echo " "
-$cat >open3.c <<'EOCP'
-#include <sys/types.h>
-#ifdef I_FCNTL
-#include <fcntl.h>
-#endif
-#ifdef I_SYS_FILE
-#include <sys/file.h>
-#endif
-main() {
- if(O_RDONLY);
-#ifdef O_TRUNC
- exit(0);
-#else
- exit(1);
-#endif
-}
-EOCP
-: check sys/file.h first to get FREAD on Sun
-if $test `./findhdr sys/file.h` && \
- $cc $cppflags "-DI_SYS_FILE" open3.c -o open3 >/dev/null 2>&1 ; then
- h_sysfile=true;
- echo "<sys/file.h> defines the O_* constants..." >&4
- if ./open3; then
- echo "and you have the 3 argument form of open()." >&4
- val="$define"
- else
- echo "but not the 3 argument form of open(). Oh, well." >&4
- val="$undef"
- fi
-elif $test `./findhdr fcntl.h` && \
- $cc "-DI_FCNTL" open3.c -o open3 >/dev/null 2>&1 ; then
- h_fcntl=true;
- echo "<fcntl.h> defines the O_* constants..." >&4
- if ./open3; then
- echo "and you have the 3 argument form of open()." >&4
- val="$define"
+case "$freetype" in
+'')
+ if $cc $ccflags -c -DTRY_FREE malloc.c >/dev/null 2>&1; then
+ freetype='void'
else
- echo "but not the 3 argument form of open(). Oh, well." >&4
- val="$undef"
+ freetype='int'
fi
-else
- val="$undef"
- echo "I can't find the O_* constant definitions! You got problems." >&4
-fi
-set d_open3
-eval $setvar
-$rm -f open3*
-
-: see if passwd exists
-set passwd d_passwd
+ ;;
+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 pipe d_pipe
eval $inlibc
-: see if this is a pwd system
-echo " "
-xxx=`./findhdr pwd.h`
-if $test "$xxx"; then
- i_pwd="$define"
- echo "<pwd.h> found." >&4
+: see if poll exists
+set poll d_poll
+eval $inlibc
+
+: 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
- d_pwquota="$define"
+ val="$define"
else
- d_pwquota="$undef"
+ val="$undef"
fi
+ set d_pwquota
+ eval $setvar
+
if $contains 'pw_age' $$.h >/dev/null 2>&1; then
- d_pwage="$define"
+ val="$define"
else
- d_pwage="$undef"
+ val="$undef"
fi
+ set d_pwage
+ eval $setvar
+
if $contains 'pw_change' $$.h >/dev/null 2>&1; then
- d_pwchange="$define"
+ val="$define"
else
- d_pwchange="$undef"
+ val="$undef"
fi
+ set d_pwchange
+ eval $setvar
+
if $contains 'pw_class' $$.h >/dev/null 2>&1; then
- d_pwclass="$define"
+ val="$define"
else
- d_pwclass="$undef"
+ val="$undef"
fi
+ set d_pwclass
+ eval $setvar
+
if $contains 'pw_expire' $$.h >/dev/null 2>&1; then
- d_pwexpire="$define"
+ val="$define"
else
- d_pwexpire="$undef"
+ val="$undef"
fi
+ set d_pwexpire
+ eval $setvar
+
if $contains 'pw_comment' $$.h >/dev/null 2>&1; then
- d_pwcomment="$define"
+ val="$define"
else
- d_pwcomment="$undef"
+ val="$undef"
fi
+ set d_pwcomment
+ eval $setvar
+
$rm -f $$.h
-else
- i_pwd="$undef"
- d_pwquota="$undef"
- d_pwage="$undef"
- d_pwchange="$undef"
- d_pwclass="$undef"
- d_pwexpire="$undef"
- d_pwcomment="$undef"
- echo "<pwd.h> NOT found." >&4
-fi
+ ;;
+*)
+ val="$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
: see if readdir and friends exist
set readdir d_readdir
set rmdir d_rmdir
eval $inlibc
+: see if memory.h is available.
+val=''
+set memory.h val
+eval $inhdr
+
+: See if it conflicts with string.h
+case "$val" in
+$define)
+ case "$strings" in
+ '') ;;
+ *)
+ $cppstdin $cppflags $cppminus < $strings > mem.h
+ if $contains 'memcpy' mem.h >/dev/null 2>&1; then
+ echo " "
+ echo "We won't be including <memory.h>."
+ val="$undef"
+ fi
+ $rm -f mem.h
+ ;;
+ esac
+esac
+set i_memory
+eval $setvar
+
: can bcopy handle overlapping blocks?
val="$undef"
case "$d_bcopy" in
"$define")
echo " "
echo "Checking to see if your bcopy() can do overlapping copies..." >&4
- $cat >foo.c <<'EOCP'
+ $cat >foo.c <<EOCP
+#$i_memory I_MEMORY
+#$i_stdlib I_STDLIB
+#$i_string I_STRING
+#$i_unistd I_UNISTD
+EOCP
+ $cat >>foo.c <<'EOCP'
+#include <stdio.h>
+
+#ifdef I_MEMORY
+# include <memory.h>
+#endif
+#ifdef I_STDLIB
+# include <stdlib.h>
+#endif
+#ifdef I_STRING
+# include <string.h>
+#else
+# include <strings.h>
+#endif
+#ifdef I_UNISTD
+# include <unistd.h> /* Needed for NetBSD */
+#endif
main()
{
char buf[128], abc[128];
int off;
int align;
+/* Copy "abcde..." string to char abc[] so that gcc doesn't
+ try to store the string in read-only memory. */
bcopy("abcdefghijklmnopqrstuvwxyz0123456789", abc, 36);
for (align = 7; align >= 0; align--) {
exit(0);
}
EOCP
- if $cc foo.c -o safebcpy $ccflags $ldflags $libs >/dev/null 2>&1 ; then
+ if $cc $optimize $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."
+ case "$d_memmove" in
+ "$define") echo "But that's Ok since you have memmove()." ;;
+ esac
fi
else
echo "(I can't compile the test program, so we'll assume not...)"
+ case "$d_memmove" in
+ "$define") echo "But that's Ok since you have memmove()." ;;
+ esac
fi
;;
esac
"$define")
echo " "
echo "Checking to see if your memcpy() can do overlapping copies..." >&4
- $cat >foo.c <<'EOCP'
+ $cat >foo.c <<EOCP
+#$i_memory I_MEMORY
+#$i_stdlib I_STDLIB
+#$i_string I_STRING
+#$i_unistd I_UNISTD
+EOCP
+ $cat >>foo.c <<'EOCP'
+#include <stdio.h>
+
+#ifdef I_MEMORY
+# include <memory.h>
+#endif
+#ifdef I_STDLIB
+# include <stdlib.h>
+#endif
+#ifdef I_STRING
+# include <string.h>
+#else
+# include <strings.h>
+#endif
+#ifdef I_UNISTD
+# include <unistd.h> /* Needed for NetBSD */
+#endif
main()
{
char buf[128], abc[128];
int off;
int align;
+/* Copy "abcde..." string to char abc[] so that gcc doesn't
+ try to store the string in read-only memory. */
memcpy(abc, "abcdefghijklmnopqrstuvwxyz0123456789", 36);
for (align = 7; align >= 0; align--) {
for (len = 36; len; len--) {
b = buf+align;
- memcpy(abc, b, len);
+ memcpy(b, abc, len);
for (off = 1; off <= len; off++) {
- memcpy(b, b+off, len);
memcpy(b+off, b, len);
+ memcpy(b, b+off, len);
if (memcmp(b, abc, len))
exit(1);
}
exit(0);
}
EOCP
- if $cc foo.c -o safemcpy $ccflags $ldflags $libs >/dev/null 2>&1 ; then
+ if $cc $optimize $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."
+ case "$d_memmove" in
+ "$define") echo "But that's Ok since you have memmove()." ;;
+ esac
fi
else
echo "(I can't compile the test program, so we'll assume not...)"
+ case "$d_memmove" in
+ "$define") echo "But that's Ok since you have memmove()." ;;
+ esac
fi
;;
esac
set d_safemcpy
eval $setvar
+: can memcmp be trusted to compare relative magnitude?
+val="$undef"
+case "$d_memcmp" in
+"$define")
+ echo " "
+ echo "Checking to see if your memcmp() can compare relative magnitude..." >&4
+ $cat >foo.c <<EOCP
+#$i_memory I_MEMORY
+#$i_stdlib I_STDLIB
+#$i_string I_STRING
+#$i_unistd I_UNISTD
+EOCP
+ $cat >>foo.c <<'EOCP'
+#include <stdio.h>
+
+#ifdef I_MEMORY
+# include <memory.h>
+#endif
+#ifdef I_STDLIB
+# include <stdlib.h>
+#endif
+#ifdef I_STRING
+# include <string.h>
+#else
+# include <strings.h>
+#endif
+#ifdef I_UNISTD
+# include <unistd.h> /* Needed for NetBSD */
+#endif
+main()
+{
+char a = -1;
+char b = 0;
+if ((a < b) && memcmp(&a, &b, 1) < 0)
+ exit(1);
+exit(0);
+}
+EOCP
+ if $cc $optimize $ccflags $ldflags foo.c \
+ -o sanemcmp $libs >/dev/null 2>&1; then
+ if ./sanemcmp 2>/dev/null; then
+ echo "Yes, it can."
+ val="$define"
+ else
+ echo "No, it can't (it uses signed chars)."
+ fi
+ else
+ echo "(I can't compile the test program, so we'll assume not...)"
+ fi
+ ;;
+esac
+$rm -f foo.* sanemcmp core
+set d_sanemcmp
+eval $setvar
+
: see if select exists
set select d_select
eval $inlibc
set setsid d_setsid
eval $inlibc
+: see if sfio.h is available
+set sfio.h i_sfio
+eval $inhdr
+
+
+: see if sfio library is available
+case "$i_sfio" in
+$define)
+ val=''
+ set sfreserve val
+ eval $inlibc
+ ;;
+*)
+ val="$undef"
+ ;;
+esac
+: Ok, but do we want to use it.
+case "$val" in
+$define)
+ case "$usesfio" in
+ true|$define|[yY]*) dflt='y';;
+ *) dflt='n';;
+ esac
+ echo "$package can use the sfio library, but it is experimental."
+ rp="You seem to have sfio available, do you want to try using it?"
+ . ./myread
+ case "$ans" in
+ y|Y) ;;
+ *) echo "Ok, avoiding sfio this time. I'll use stdio instead."
+ val="$undef"
+ : Remove sfio from list of libraries to use
+ set `echo X $libs | $sed -e 's/-lsfio / /' -e 's/-lsfio$//'`
+ shift
+ libs="$*"
+ echo "libs = $libs" >&4
+ ;;
+ esac
+ ;;
+*) case "$usesfio" in
+ true|$define|[yY]*)
+ echo "Sorry, cannot find sfio on this machine" >&4
+ echo "Ignoring your setting of usesfio=$usesfio" >&4
+ ;;
+ esac
+ ;;
+esac
+set d_sfio
+eval $setvar
+case "$d_sfio" in
+$define) usesfio='true';;
+*) usesfio='false';;
+esac
+
: see if shmctl exists
set shmctl d_shmctl
eval $inlibc
fi
echo "and it returns ($shmattype)." >&4
: see if a prototype for shmat is available
- $cppstdin $cppflags $cppminus < $usrinc/sys/shm.h > shmat.c 2>/dev/null
+ 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
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"
-else
- echo "You don't have the full shm*(2) library." >&4
- val="$undef"
-fi
-set d_shm
+: 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"
+else
+ echo "You don't have the full shm*(2) library." >&4
+ val="$undef"
+fi
+set d_shm
+eval $setvar
+
+echo " "
+: see if we have sigaction
+if set sigaction val -f d_sigaction; eval $csym; $val; then
+ echo 'sigaction() found.' >&4
+ val="$define"
+else
+ echo 'sigaction NOT found.' >&4
+ val="$undef"
+fi
+
+$cat > set.c <<'EOP'
+/* Solaris 2.5_x86 with SunWorks Pro C 3.0.1 doesn't have a complete
+ sigaction structure if compiled with cc -Xc. This compile test
+ will fail then. <doughera@lafcol.lafayette.edu>
+*/
+#include <stdio.h>
+#include <sys/types.h>
+#include <signal.h>
+main()
+{
+ struct sigaction act, oact;
+}
+EOP
+
+if $cc $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1; then
+ :
+else
+ echo "But you don't seem to have a useable struct sigaction." >&4
+ val="$undef"
+fi
+set d_sigaction; eval $setvar
+$rm -f set set.o set.c
+
+: see if sigsetjmp exists
+echo " "
+case "$d_sigsetjmp" in
+'')
+ $cat >set.c <<'EOP'
+#include <setjmp.h>
+sigjmp_buf env;
+int set = 1;
+main()
+{
+ if (sigsetjmp(env,1))
+ exit(set);
+ set = 0;
+ siglongjmp(env, 1);
+ exit(1);
+}
+EOP
+ if $cc $ccflags $ldflags -o set set.c $libs > /dev/null 2>&1 ; then
+ if ./set >/dev/null 2>&1; then
+ echo "POSIX sigsetjmp found." >&4
+ val="$define"
+ else
+ $cat >&4 <<EOM
+Uh-Oh! You have POSIX sigsetjmp and siglongjmp, but they do not work properly!!
+I'll ignore them.
+EOM
+ val="$undef"
+ fi
+ else
+ echo "sigsetjmp not found." >&4
+ val="$undef"
+ fi
+ ;;
+*) val="$d_sigsetjmp"
+ case "$d_sigsetjmp" in
+ $define) echo "POSIX sigsetjmp found." >&4;;
+ $undef) echo "sigsetjmp not found." >&4;;
+ esac
+ ;;
+esac
+set d_sigsetjmp
eval $setvar
+$rm -f set.c set
socketlib=''
sockethdr=''
: 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 $nm_extract) || \
- ar t /usr/lib/libnet.a) 2>/dev/null >> libc.list
+ echo "You don't have Berkeley networking in libc$lib_ext..." >&4
+ if test -f /usr/lib/libnet$lib_ext; then
+ ( (nm $nm_opt /usr/lib/libnet$lib_ext | eval $nm_extract) || \
+ ar t /usr/lib/libnet$lib_ext) 2>/dev/null >> libc.list
if $contains socket libc.list >/dev/null 2>&1; then
echo "...but the Wollongong group seems to have hacked it in." >&4
socketlib="-lnet"
d_oldsock="$define"
fi
else
- echo "or even in libnet.a, which is peculiar." >&4
+ echo "or even in libnet$lib_ext, which is peculiar." >&4
d_socket="$undef"
d_oldsock="$undef"
fi
set d_statblks
eval $setvar
+: see if _ptr and _cnt from stdio act std
+echo " "
+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 "$stdio_bufsiz" in
+ '') stdio_bufsiz='((fp)->_IO_read_end - (fp)->_IO_read_base)';;
+ esac
+else
+ case "$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 "$stdio_bufsiz" in
+ '') stdio_bufsiz='((fp)->_cnt + (fp)->_ptr - (fp)->_base)';;
+ esac
+fi
+: test whether _ptr and _cnt really work
+echo "Checking how std your stdio is..." >&4
+$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 $setvar
+
+: Can _ptr be used as an lvalue?
+case "$d_stdstdio$ptr_lval" in
+$define$define) val=$define ;;
+*) val=$undef ;;
+esac
+set d_stdio_ptr_lval
+eval $setvar
+
+: Can _cnt be used as an lvalue?
+case "$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);
+}
+EOP
+ if $cc $ccflags $ldflags -o try try.c $libs > /dev/null 2>&1; then
+ if ./try; then
+ echo "And its _base field acts std."
+ val="$define"
+ else
+ echo "But its _base field isn't std."
+ fi
+ else
+ echo "However, it seems to be lacking the _base field."
+ fi
+ $rm -f try.c try
+ ;;
+esac
+set d_stdiobase
+eval $setvar
+
: see if strcoll exists
set strcoll d_strcoll
eval $inlibc
d_strerrm='"unknown"'
fi
+: see if strtod exists
+set strtod d_strtod
+eval $inlibc
+
+: see if strtol exists
+set strtol d_strtol
+eval $inlibc
+
+: see if strtoul exists
+set strtoul d_strtoul
+eval $inlibc
+
: see if strxfrm exists
set strxfrm d_strxfrm
eval $inlibc
done;
$cppstdin $cppflags $cppminus < temp.c >temp.E 2>/dev/null;
if $contains $type temp.E >/dev/null 2>&1; then
- eval "$var=$type";
+ eval "$var=\$type";
else
- eval "$var=$def";
+ eval "$var=\$def";
fi;
$rm -f temp.?;;
-*) eval "$var=$varval";;
+*) eval "$var=\$varval";;
esac'
: see if this is a sys/times.h system
eval $typedef
dflt="$clocktype"
echo " "
- rp="What type is returned by times() on this sytem?"
+ rp="What type is returned by times() on this system?"
. ./myread
clocktype="$ans"
else
set umask d_umask
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 "$ans" in
- y*) hostcat='nidump hosts .';;
- *) hostcat='cat /etc/hosts';;
- esac
- fi
- case "$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 $myhostname | ./tr '[A-Z]' '[a-z]'`
- ;;
-esac
-
-: a little sanity check here
-case "$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 $phostname command, by the way.)"
- ;;
- esac
- ;;
- esac
- ;;
-esac
-
: see how we will look up host name
echo " "
if false; then
dflt=`./try`
else
dflt='8'
- echo"(I can't seem to compile the test program...)"
+ echo "(I can't seem to compile the test program...)"
fi
;;
*) dflt="$alignbytes"
esac
rp="Doubles must be aligned on a how-many-byte boundary?"
. ./myread
-alignbytes="$ans"
-$rm -f try.c try
-
-: determine where public executables go
-echo " "
-case "$bin" in
-'')
- dflt="$prefix/bin"
- ;;
-*)
- dflt="$bin"
- ;;
-esac
-fn=d~
-rp='Pathname where the public executables will reside?'
-. ./getfile
-bin="$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
+alignbytes="$ans"
+$rm -f try.c try
: check for ordering of bytes in a long
case "$byteorder" in
for (i = 0; i < sizeof(long); i++)
printf("%c", u.c[i]+'0');
printf("\n");
+ exit(0);
}
EOCP
- if $cc $ccflags try.c -o try >/dev/null 2>&1 ; then
+ xxx_prompt=y
+ if $cc $ccflags try.c -o try >/dev/null 2>&1 && ./try > /dev/null; then
dflt=`./try`
case "$dflt" in
- ????|????????) echo "(The test program ran ok.)";;
- *) echo "(The test program didn't run right for some reason.)";;
+ [1-4][1-4][1-4][1-4]|12345678|87654321)
+ echo "(The test program ran ok.)"
+ echo "byteorder=$dflt"
+ xxx_prompt=n
+ ;;
+ ????|????????) echo "(The test program ran ok.)" ;;
+ *) echo "(The test program didn't run right for some reason.)" ;;
esac
else
dflt='4321'
(I can't seem to compile the test program. Guessing big-endian...)
EOM
fi
- ;;
-*)
- echo " "
- dflt="$byteorder"
+ case "$xxx_prompt" in
+ y)
+ rp="What is the order of bytes in a long?"
+ . ./myread
+ byteorder="$ans"
+ ;;
+ *) byteorder=$dflt
+ ;;
+ esac
;;
esac
-rp="What is the order of bytes in a long?"
-. ./myread
-byteorder="$ans"
$rm -f try.c try
: how do we catenate cpp tokens here?
case "$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'
+ $cat >try.c <<EOCP
+#$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 ;
+u_int32_t hash_cb (ptr, size)
+const void *ptr;
+size_t size;
{
}
-HASHINFO info ;
+HASHINFO info;
main()
{
- info.hash = hash_cb ;
+ info.hash = hash_cb;
}
EOCP
if $cc $ccflags -c try.c >try.out 2>&1 ; then
echo "I can't seem to compile the test program." >&4
db_hashtype=int
fi
- $rm -f try.[co]
+ $rm -f try.*
echo "Your version of Berkeley DB uses $db_hashtype for hash."
;;
*) db_hashtype=int
case "$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'
+ 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 ;
+size_t prefix_cb (key1, key2)
+const DBT *key1;
+const DBT *key2;
{
}
-BTREEINFO info ;
+BTREEINFO info;
main()
{
- info.prefix = prefix_cb ;
+ 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.[co]
- echo "Your version of Berkeley DB uses $db_prefixtype for prefix."
- ;;
-*) db_prefixtype='int'
- ;;
-esac
-
-: check for void type
-echo " "
-echo "Checking to see how well your C compiler groks the void type..." >&4
-echo " "
-$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
-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 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 $cc -c -DTRY=5 try.c >/dev/null 2>&1 ; then
- voidflags=5
- echo "And it supports 4 but has not heard about 8."
- else
- echo "However it supports 8 but not 4."
- fi
- fi
- fi
- else
- echo "There is no support at all for void."
- voidflags=0
- fi
- fi
-esac
-dflt="$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
-$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>"
- ;;
- esac
- ;;
-esac
-val="$t_dbm"
-set i_dbm
-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 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
-known_extensions=''
-for xxx in * ; do
- if $test -f $xxx/$xxx.xs; then
- known_extensions="$known_extensions $xxx"
- 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 $avail_ext
-shift
-avail_ext="$*"
-
-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
+ 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
+'')
+ $cat >try.c <<'EOCP'
+#if TRY & 1
+void sub() {
+#else
+sub() {
+#endif
+ extern void moo(); /* function returning void */
+ void (*goo)(); /* ptr to func returning void */
+#if TRY & 8
+ void *hue; /* generic ptr */
+#endif
+#if TRY & 2
+ void (*foo[10])();
+#endif
- case "$dflt" in
- '') dflt=none;;
- esac
- rp="What extensions do you wish to include?"
+#if TRY & 4
+ if(goo == moo) {
+ exit(0);
+ }
+#endif
+ exit(0);
+}
+main() { sub(); }
+EOCP
+ if $cc $ccflags -c -DTRY=$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 $ccflags -c -DTRY=1 try.c >/dev/null 2>&1; then
+ echo "It supports 1..."
+ if $cc $ccflags -c -DTRY=3 try.c >/dev/null 2>&1; then
+ echo "It also supports 2..."
+ if $cc $ccflags -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 $ccflags -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 $ccflags -c -DTRY=13 try.c >/dev/null 2>&1; then
+ voidflags=13
+ echo "But it supports 4 and 8."
+ else
+ if $cc $ccflags -c -DTRY=5 try.c >/dev/null 2>&1; then
+ voidflags=5
+ echo "And it supports 4 but has not heard about 8."
+ else
+ echo "However it supports 8 but not 4."
+ fi
+ fi
+ fi
+ else
+ echo "There is no support at all for void."
+ voidflags=0
+ fi
+ fi
+esac
+: Only prompt user if support does not match the level we want
+case "$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 $static_ext
-shift
-extensions="$*"
+$rm -f try.* .out
: see what type file positions are declared as in the library
set fpos_t fpostype long stdio.h sys/types.h
. ./myread
fpostype="$ans"
+: Store the full pathname to the sed program for use in the C program
+full_sed=$sed
+
: see what type gids are declared as in the kernel
set gid_t gidtype xxx stdio.h sys/types.h
eval $typedef
. ./myread
lseektype="$ans"
-: determine where manual pages go
-$cat <<EOM
-
-$package 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 "$mansrc" in
+echo " "
+case "$make" in
'')
- lookpath="$prefix/man/man1 $prefix/man/u_man/man1 $prefix/man/l_man/man1"
- lookpath="$lookpath /usr/local/man/man1 /usr/local/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 . $prefix/man/man1 $lookpath`
- if $test -d "$mansrc"; then
- dflt="$mansrc"
- else
- dflt="$sysman"
- fi
- ;;
-*) dflt="$mansrc"
+ make=`./loc make make $pth`
+ case "$make" in
+ /*) echo make is in $make. ;;
+ ?:[\\/]*) echo make is in $make. ;;
+ *) echo "I don't know where 'make' is, and my life depends on it." >&4
+ echo "Go find a make program or fix your PATH setting!" >&4
+ exit 1
+ ;;
+ esac
;;
+*) echo make is in $make. ;;
esac
-echo " "
-fn=dn~
-rp='Where do the manual pages (source) go?'
-. ./getfile
-mansrc="$ans"
-mansrcexp="$ansexp"
-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";;
+$echo $n "Checking if your $make program sets \$(MAKE)... $c" >&4
+case "$make_set_make" in
+'')
+ $sed 's/^X //' > testmake.mak << 'EOF'
+Xall:
+X @echo 'ac_maketemp="$(MAKE)"'
+EOF
+ : GNU make sometimes prints "make[1]: Entering...", which would confuse us.
+ case "`$make -f testmake.mak 2>/dev/null`" in
+ *ac_maketemp=*) make_set_make='#' ;;
+ *) make_set_make="MAKE=$make" ;;
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;;
+ $rm -f testmake.mak
+ ;;
+esac
+case "$make_set_make" in
+'#') echo "Yup, it does." >&4 ;;
+*) echo "Nope, it doesn't." >&4 ;;
esac
: see what type is used for mode_t
. ./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="$ans"
: Cruising for prototypes
echo " "
case "$randbits" in
'')
echo "Checking to see how many bits your rand function produces..." >&4
- $cat >try.c <<'EOCP'
+ $cat >try.c <<EOCP
+#$i_unistd I_UNISTD
+#$i_stdlib I_STDLIB
#include <stdio.h>
+#ifdef I_UNISTD
+# include <unistd.h>
+#endif
+#ifdef I_STDLIB
+# include <stdlib.h>
+#endif
+EOCP
+ $cat >>try.c <<'EOCP'
main()
{
register int i;
for (i = 0; max; i++)
max /= 2;
printf("%d\n",i);
+ fflush(stdout);
}
EOCP
- if $cc try.c -o try >/dev/null 2>&1 ; then
+ if $cc $ccflags $ldflags -o try try.c $libs >/dev/null 2>&1 ; then
dflt=`try`
else
dflt='?'
rp='How many bits does your rand() function produce?'
. ./myread
randbits="$ans"
-$rm -f try.c try
+$rm -f try.c try.o try
: see if ar generates random libraries by itself
echo " "
$cc $ccflags -c bar1.c >/dev/null 2>&1
$cc $ccflags -c bar2.c >/dev/null 2>&1
$cc $ccflags -c foo.c >/dev/null 2>&1
-ar rc bar.a bar2.o bar1.o >/dev/null 2>&1
-if $cc $ccflags $ldflags -o foobar foo.o bar.a $libs > /dev/null 2>&1 &&
+ar rc bar$lib_ext bar2.o bar1.o >/dev/null 2>&1
+if $cc $ccflags $ldflags -o foobar foo.o bar$lib_ext $libs > /dev/null 2>&1 &&
./foobar >/dev/null 2>&1; then
echo "ar appears to generate random libraries itself."
orderlib=false
ranlib=":"
-elif ar ts bar.a >/dev/null 2>&1 &&
- $cc $ccflags $ldflags -o foobar foo.o bar.a $libs > /dev/null 2>&1 &&
+elif ar ts bar$lib_ext >/dev/null 2>&1 &&
+ $cc $ccflags $ldflags -o foobar foo.o bar$lib_ext $libs > /dev/null 2>&1 &&
./foobar >/dev/null 2>&1; then
echo "a table of contents needs to be added with 'ar ts'."
orderlib=false
fi
$rm -f foo* bar*
-: determine where public executable scripts go
-case "$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 $prefix/script && dflt=$prefix/script
- ;;
-*) 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
-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
#endif
#ifdef I_SYS_TIME
#include <sys/time.h>
-#else
+#endif
#ifdef I_SYS_SELECT
#include <sys/select.h>
#endif
-#endif
main() {
fd_set fds;
#endif
#ifdef I_SYS_TIME
#include <sys/time.h>
-#else
+#endif
#ifdef I_SYS_SELECT
#include <sys/select.h>
#endif
-#endif
main()
{
int width;
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`
- 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() {
+
+/* Strange style to avoid deeply-nested #if/#else/#endif */
+#ifndef NSIG
+# ifdef _NSIG
+# define NSIG (_NSIG)
+# endif
+#endif
+
+#ifndef NSIG
+# ifdef SIGMAX
+# define NSIG (SIGMAX+1)
+# endif
+#endif
+
+#ifndef NSIG
+# ifdef SIG_MAX
+# define NSIG (SIG_MAX+1)
+# endif
+#endif
+
+#ifndef NSIG
+# ifdef MAXSIG
+# define NSIG (MAXSIG+1)
+# endif
+#endif
+
+#ifndef NSIG
+# ifdef MAX_SIG
+# define NSIG (MAX_SIG+1)
+# endif
+#endif
+
+#ifndef NSIG
+# ifdef SIGARRAYSIZE
+# define NSIG (SIGARRAYSIZE+1) /* Not sure of the +1 */
+# endif
+#endif
+
+#ifndef NSIG
+# ifdef _sys_nsig
+# define NSIG (_sys_nsig) /* Solaris 2.5 */
+# endif
+#endif
+
+/* Default to some arbitrary number that's big enough to get most
+ of the common signals.
+*/
+#ifndef NSIG
+# define NSIG 50
+#endif
+
+printf("NSIG %d\n", NSIG);
+
+EOP
+echo $xxx | $tr ' ' '\012' | $sort | $uniq | $awk '
+{
+ printf "#ifdef SIG"; printf $1; printf "\n"
+ printf "printf(\""; printf $1; printf " %%d\\n\",SIG";
+ printf $1; printf ");\n"
+ printf "#endif\n"
}
+END {
+ printf "}\n";
+}
+' >>signal.c
+$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] = $2
+ }
-END {
- for (i = 1; i <= max; i++) {
- if (sig[i] == "")
- printf "%d", i
- else
- printf "%s", sig[i]
- if (i < max)
- printf " "
+}
+END {
+ if (nsig == 0) { nsig = maxsig + 1 }
+ for (n = 1; n < nsig; n++) {
+ if (sig_name[n]) {
+ printf("%s %d\n", sig_name[n], sig_num[n])
+ }
+ else {
+ printf("NUM%d %d\n", n, n)
+ }
}
- printf "\n"
+ for (n = 0; n < ndups; n++) {
+ printf("%s %d\n", dup_name[n], dup_num[n])
+ }
}
-'`
+EOP
+$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
printf("int\n");
else
printf("long\n");
+ fflush(stdout);
+ exit(0);
}
EOM
echo " "
-if $cc $ccflags $ldflags -o ssize ssize.c $libs > /dev/null 2>&1 ; then
- ssizetype=`./ssize`
+# If $libs contains -lsfio, and sfio is mis-configured, then it
+# sometimes (apparently) runs and exits with a 0 status, but with no
+# output!. Thus we check with test -s whether we actually got any
+# output. I think it has to do with sfio's use of _exit vs. exit,
+# but I don't know for sure. --Andy Dougherty 1/27/97.
+if $cc $optimize $ccflags $ldflags -o ssize ssize.c $libs > /dev/null 2>&1 &&
+ ./ssize > ssize.out 2>/dev/null && test -s ssize.out ; then
+ ssizetype=`$cat ssize.out`
echo "I'll be using $ssizetype for functions returning a byte count." >&4
else
- echo "(I can't compile the test program--please enlighten me!)"
- $cat <<EOM
+ $cat >&4 <<EOM
+
+Help! I can't compile and run the ssize_t test program: please enlighten me!
+(This is probably a misconfiguration in your system or libraries, and
+you really ought to fix it. Still, I'll try anyway.)
I need a type that is the same size as $sizetype, but is guaranteed to
-be signed. Common values are int and long.
+be signed. Common values are ssize_t, int and long.
EOM
rp="What signed type is the same size as $sizetype?"
. ./myread
ssizetype="$ans"
fi
-$rm -f ssize ssize.[co]
+$rm -f ssize ssize.[co] ssize.out
: see what type of char stdio uses.
echo " "
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
-: see if memory.h is available.
-val=''
-set memory.h val
+: see if ndbm.h is available
+set ndbm.h t_ndbm
eval $inhdr
-
-: See if it conflicts with string.h
-case "$val" in
+case "$t_ndbm" in
$define)
- case "$strings" in
- '') ;;
- *)
- $cppstdin $cppflags $cppminus < $strings > mem.h
- if $contains 'memcpy' mem.h >/dev/null 2>&1; then
- echo " "
- echo "We won't be including <memory.h>."
- val="$undef"
- fi
- $rm -f mem.h
+ : 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
-set i_memory
+val="$t_ndbm"
+set i_ndbm
eval $setvar
: see if net/errno.h is available
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 stddef.h i_stddef
eval $inhdr
-: see if stdlib is available
-set stdlib.h i_stdlib
-eval $inhdr
-
: see if ioctl defs are in sgtty, termio, sys/filio or sys/ioctl
set sys/filio.h i_sysfilio
eval $inhdr
set sys/param.h i_sysparam
eval $inhdr
-: see if this is a unistd.h system
-set unistd.h i_unistd
+: see if sys/resource.h has to be included
+set sys/resource.h i_sysresrc
+eval $inhdr
+
+: see if sys/stat.h is available
+set sys/stat.h i_sysstat
+eval $inhdr
+
+: see if sys/types.h has to be included
+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 syswait system
+set sys/wait.h i_syswait
eval $inhdr
: see if this is an utime system
set utime.h i_utime
eval $inhdr
+: see if this is a values.h system
+set values.h i_values
+eval $inhdr
+
: see if this is a vfork system
case "$d_vfork" in
"$define")
;;
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 $setvar
+
+echo " "
+echo "Looking for extensions..." >&4
+cd ../ext
+: If we are using the old config.sh, known_extensions may contain
+: old or inaccurate or duplicate values.
+known_extensions=''
+: We do not use find because it might not be available.
+: We do not just use MANIFEST because the user may have dropped
+: some additional extensions into the source tree and expect them
+: to be built.
+for xxx in * ; do
+ case "$xxx" in
+ DynaLoader) ;;
+ *) 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 ;;
+ esac
+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 $xxx" ;;
+ esac
+ ;;
+ Opcode) case "$useopcode" 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'
bin='$bin'
+bincompat3='$bincompat3'
binexp='$binexp'
bison='$bison'
byacc='$byacc'
ccdlflags='$ccdlflags'
ccflags='$ccflags'
cf_by='$cf_by'
+cf_email='$cf_email'
cf_time='$cf_time'
chgrp='$chgrp'
chmod='$chmod'
d_attribut='$d_attribut'
d_bcmp='$d_bcmp'
d_bcopy='$d_bcopy'
+d_bincompat3='$d_bincompat3'
d_bsd='$d_bsd'
+d_bsdgetpgrp='$d_bsdgetpgrp'
d_bsdpgrp='$d_bsdpgrp'
+d_bsdsetpgrp='$d_bsdsetpgrp'
d_bzero='$d_bzero'
d_casti32='$d_casti32'
d_castneg='$d_castneg'
d_dlopen='$d_dlopen'
d_dlsymun='$d_dlsymun'
d_dosuid='$d_dosuid'
-d_drem='$d_drem'
d_dup2='$d_dup2'
+d_eofnblk='$d_eofnblk'
d_eunice='$d_eunice'
d_fchmod='$d_fchmod'
d_fchown='$d_fchown'
d_fgetpos='$d_fgetpos'
d_flexfnam='$d_flexfnam'
d_flock='$d_flock'
-d_fmod='$d_fmod'
d_fork='$d_fork'
d_fpathconf='$d_fpathconf'
d_fsetpos='$d_fsetpos'
+d_ftime='$d_ftime'
d_getgrps='$d_getgrps'
d_gethent='$d_gethent'
d_gethname='$d_gethname'
d_getlogin='$d_getlogin'
+d_getpgid='$d_getpgid'
d_getpgrp2='$d_getpgrp2'
d_getpgrp='$d_getpgrp'
d_getppid='$d_getppid'
d_getprior='$d_getprior'
-d_group='$d_group'
+d_gettimeod='$d_gettimeod'
+d_gnulibc='$d_gnulibc'
d_htonl='$d_htonl'
d_index='$d_index'
+d_inetaton='$d_inetaton'
d_isascii='$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_passwd='$d_passwd'
d_pathconf='$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='$d_pwchange'
d_rmdir='$d_rmdir'
d_safebcpy='$d_safebcpy'
d_safemcpy='$d_safemcpy'
+d_sanemcmp='$d_sanemcmp'
d_seekdir='$d_seekdir'
d_select='$d_select'
d_sem='$d_sem'
d_setrgid='$d_setrgid'
d_setruid='$d_setruid'
d_setsid='$d_setsid'
+d_sfio='$d_sfio'
d_shm='$d_shm'
d_shmat='$d_shmat'
d_shmatprototype='$d_shmatprototype'
d_shmctl='$d_shmctl'
d_shmdt='$d_shmdt'
d_shmget='$d_shmget'
-d_shrplib='$d_shrplib'
+d_sigaction='$d_sigaction'
+d_sigsetjmp='$d_sigsetjmp'
d_socket='$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'
d_strctcpy='$d_strctcpy'
d_strerrm='$d_strerrm'
d_strerror='$d_strerror'
+d_strtod='$d_strtod'
+d_strtol='$d_strtol'
+d_strtoul='$d_strtoul'
d_strxfrm='$d_strxfrm'
d_suidsafe='$d_suidsafe'
d_symlink='$d_symlink'
dlext='$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='$freetype'
+full_csh='$full_csh'
+full_sed='$full_sed'
gcc='$gcc'
gccversion='$gccversion'
gidtype='$gidtype'
grep='$grep'
groupcat='$groupcat'
groupstype='$groupstype'
+gzip='$gzip'
h_fcntl='$h_fcntl'
h_sysfile='$h_sysfile'
hint='$hint'
i_gdbm='$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_sfio='$i_sfio'
i_sgtty='$i_sgtty'
i_stdarg='$i_stdarg'
i_stddef='$i_stddef'
i_sysioctl='$i_sysioctl'
i_sysndir='$i_sysndir'
i_sysparam='$i_sysparam'
+i_sysresrc='$i_sysresrc'
i_sysselct='$i_sysselct'
i_syssockio='$i_syssockio'
+i_sysstat='$i_sysstat'
i_systime='$i_systime'
i_systimek='$i_systimek'
i_systimes='$i_systimes'
+i_systypes='$i_systypes'
+i_sysun='$i_sysun'
+i_syswait='$i_syswait'
i_termio='$i_termio'
i_termios='$i_termios'
i_time='$i_time'
i_unistd='$i_unistd'
i_utime='$i_utime'
+i_values='$i_values'
i_varargs='$i_varargs'
i_varhdr='$i_varhdr'
i_vfork='$i_vfork'
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='$ksh'
large='$large'
+ld='$ld'
lddlflags='$lddlflags'
ldflags='$ldflags'
less='$less'
+lib_ext='$lib_ext'
libc='$libc'
+libperl='$libperl'
libpth='$libpth'
libs='$libs'
libswanted='$libswanted'
lkflags='$lkflags'
ln='$ln'
lns='$lns'
+locincpth='$locincpth'
+loclibpth='$loclibpth'
+longsize='$longsize'
lp='$lp'
lpr='$lpr'
ls='$ls'
mail='$mail'
mailx='$mailx'
make='$make'
+make_set_make='$make_set_make'
mallocobj='$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'
modetype='$modetype'
more='$more'
mv='$mv'
+myarchname='$myarchname'
mydomain='$mydomain'
myhostname='$myhostname'
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'
pmake='$pmake'
pr='$pr'
prefix='$prefix'
+prefixexp='$prefixexp'
privlib='$privlib'
privlibexp='$privlibexp'
prototype='$prototype'
randbits='$randbits'
ranlib='$ranlib'
+rd_nodata='$rd_nodata'
rm='$rm'
rmail='$rmail'
runnm='$runnm'
shar='$shar'
sharpbang='$sharpbang'
shmattype='$shmattype'
-shrpdir='$shrpdir'
+shortsize='$shortsize'
+shrpenv='$shrpenv'
shsharp='$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='$tar'
usedl='$usedl'
usemymalloc='$usemymalloc'
usenm='$usenm'
+useopcode='$useopcode'
+useperlio='$useperlio'
useposix='$useposix'
+usesfio='$usesfio'
+useshrplib='$useshrplib'
usevfork='$usevfork'
usrinc='$usrinc'
uuname='$uuname'
voidflags='$voidflags'
xlibpth='$xlibpth'
zcat='$zcat'
+zip='$zip'
EOT
: add special variables
cont)
;;
'')
- echo " "
dflt=''
nostick=true
-echo "If you didn't make any mistakes, then just type a carriage return here."
- rp="If you need to edit config.sh, do it as a shell escape here:"
+ $cat <<EOM
+
+If you'd like to make any changes to the config.sh file before I begin
+to configure things, do it as a shell escape now (e.g. !vi config.sh).
+
+EOM
+ rp="Press return or use a shell escape to edit config.sh:"
. UU/myread
nostick=''
case "$ans" in
https://perl5.git.perl.org / perl5.git / blobdiff