# $Id: Head.U,v 3.0.1.8 1995/07/25 13:40:02 ram Exp $
#
-# Generated on Thu Oct 19 10:47:09 EDT 1995 [metaconfig 3.0 PL58]
+# Generated on Sat Feb 1 00:26:40 EST 1997 [metaconfig 3.0 PL60]
cat >/tmp/c1$$ <<EOF
ARGGGHHHH!!!!!
: Proper PATH separator
p_=:
: On OS/2 this directory should exist if this is not floppy only system :-]
-if test -d c:/.; then
+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]'`
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
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=''
Revision=''
Source=''
State=''
+ar=''
+archobjs=''
+exe_ext=''
+firstmakefile=''
+lib_ext=''
+obj_ext=''
+path_sep=''
afs=''
alignbytes=''
archlib=''
bin=''
binexp=''
installbin=''
+bincompat3=''
+d_bincompat3=''
byteorder=''
cc=''
gccversion=''
d_flock=''
d_fork=''
d_fsetpos=''
+d_ftime=''
+d_gettimeod=''
d_Gconvert=''
d_getgrps=''
+d_setgrps=''
d_gethent=''
aphostname=''
d_gethname=''
d_phostname=''
d_uname=''
d_getlogin=''
+d_getpgid=''
d_getpgrp2=''
+d_bsdgetpgrp=''
d_getpgrp=''
d_getppid=''
d_getprior=''
+d_gnulibc=''
d_htonl=''
+d_inetaton=''
d_isascii=''
d_killpg=''
d_link=''
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=''
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=''
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=''
libs=''
lns=''
lseektype=''
+make=''
+make_set_make=''
d_mymalloc=''
freetype=''
mallocobj=''
groupcat=''
hostcat=''
passcat=''
+d_oldarchlib=''
+oldarchlib=''
+oldarchlibexp=''
orderlib=''
ranlib=''
package=''
spackage=''
+pager=''
patchlevel=''
+subversion=''
perladmin=''
+perlpath=''
prefix=''
prefixexp=''
installprivlib=''
scriptdir=''
scriptdirexp=''
selecttype=''
+sh=''
sig_name=''
-sig_max=''
sig_num=''
-d_sitelib=''
+installsitearch=''
+sitearch=''
+sitearchexp=''
installsitelib=''
sitelib=''
sitelibexp=''
shsharp=''
spitshell=''
ssizetype=''
+startperl=''
startsh=''
stdchar=''
sysman=''
uidtype=''
nm_opt=''
+nm_so_opt=''
runnm=''
usenm=''
+useperlio=''
incpath=''
mips=''
mips_type=''
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="$locincpth /opt/gnu/include /usr/GNU/include /opt/GNU/include"
:
loclibpth="$loclibpth /opt/gnu/lib /usr/GNU/lib /opt/GNU/lib"
: general looking path for locating libraries
-glibpth="/lib/pa1.1 /usr/shlib /usr/lib/large /lib /usr/lib"
-glibpth="$glibpth $xlibpth /lib/large /usr/lib/small /lib/small"
-glibpth="$glibpth /usr/ccs/lib /usr/ucblib /usr/shlib"
+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="$glibpth /usr/ccs/lib /usr/ucblib /usr/local/lib"
: Private path used by Configure to find libraries. Its value
: is prepended to libpth. This variable takes care of special
defvoidused=15
: List of libraries we want.
-libswanted='net socket inet nsl nm ndbm gdbm dbm db malloc dl'
+libswanted='sfio net socket inet nsl nm ndbm gdbm dbm db malloc dl'
libswanted="$libswanted dld ld sun m c cposix posix ndir dir crypt"
libswanted="$libswanted ucb bsd BSD PW x"
: We probably want to search /usr/shlib before most other libraries.
: Do not use vfork unless overridden by a hint file.
usevfork=false
+: Find the basic shell for Bourne shell scripts
+case "$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
+$me: Fatal Error: I can't find a Bourne Shell anywhere.
+Usually it's in /bin/sh. How did you even get this far?
+Please contact me (Chip Salzenberg) at chip@perl.com and
+we'll try to straigten this all out.
+EOM
+ exit 1
+ ;;
+esac
+
+: see if sh knows # comments
+if `$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
+$startsh
+EOS
+cat >>extract <<'EOS'
CONFIG=true
echo "Doing variable substitutions on .SH files..."
if test -f MANIFEST; then
EOF
: process the command line options
-set X `for arg in "$@"; 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 $*"
shift
rm -f options.awk
extractsh=''
override=''
knowitall=''
+
rm -f optdef.sh
+cat >optdef.sh <<EOS
+$startsh
+EOS
: option parsing
while test $# -gt 0; do
esac
shift
;;
- -V) echo "$me generated by metaconfig 3.0 PL58." >&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 [-dehrEKOSV] [-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.
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@perl.com).
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 " "
Unix system. If despite that it blows up on yours, your best bet is to edit
Configure and run it again. If you can't run Configure for some reason,
you'll have to generate a config.sh file by hand. Whatever problems you
-have, let me (lwall@netlabs.com) know how I blew it.
+have, let me (chip@perl.com) 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
sed
sort
-tail
touch
tr
uniq
csh
date
egrep
+gzip
+less
line
+ln
+more
nroff
perl
+pg
+sendmail
test
uname
+zip
"
pth=`echo $PATH | sed -e "s/$p_/ /g"`
pth="$pth /lib /usr/lib"
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
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."
*) echo "Fetching default answers from your old config.sh file..." >&4
tmp_n="$n"
tmp_c="$c"
+ tmp_sh="$sh"
. ./config.sh
cp config.sh UU
n="$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@perl.com
: 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
- $test -d /MachTen && osname=machten && \
- osvers=`/usr/etc/version | $awk '{print $2}' | \
- $sed -e 's/[A-Za-z]$//'`
+ if $test -d /MachTen; then
+ osname=machten
+ if $test -x /sbin/version; then
+ osvers=`/sbin/version | $awk '{print $2}' |
+ $sed -e 's/[A-Za-z]$//'`
+ elif $test -x /usr/etc/version; then
+ osvers=`/usr/etc/version | $awk '{print $2}' |
+ $sed -e 's/[A-Za-z]$//'`
+ else
+ osvers="$2.$3"
+ fi
+ fi
if $test -f $uname; then
set X $myuname
shift
*) osvers=$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
+ osf1|mls+) case "$5" in
alpha)
osname=dec_osf
osvers=`echo "$3" | sed 's/^[vt]//'`
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
${osname}*)
tmp_c="$c"
cd ..
cp $config_sh config.sh 2>/dev/null
+ chmod +w config.sh
. ./config.sh
cd UU
cp ../config.sh .
none) osname='' ;;
*) osname=`echo "$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`
- ;;
-esac
-if $test -d "$sysman"; then
- echo "System manual is in $sysman." >&4
+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
+ $rm -f tmparch
else
- echo "Could not find manual pages in source form." >&4
+ tarch="$osname"
fi
+case "$myarchname" in
+''|"$tarch") ;;
+*)
+ echo "(Your architecture name used to be $myarchname.)"
+ archname=''
+ ;;
+esac
+case "$archname" in
+'') dflt="$tarch";;
+*) dflt="$archname";;
+esac
+rp='What is your architecture name'
+. ./myread
+archname="$ans"
+myarchname="$tarch"
-: see what memory models we can support
-case "$models" in
-'')
- $cat >pdp11.c <<'EOP'
-main() {
-#ifdef pdp11
- exit(0);
-#else
- exit(1);
-#endif
-}
-EOP
- cc -o pdp11 pdp11.c >/dev/null 2>&1
- if ./pdp11 2>/dev/null; then
- dflt='unsplit split'
+: is AFS running?
+echo " "
+case "$afs" in
+$define|true) afs=true ;;
+$undef|false) afs=false ;;
+*) if test -d /afs; then
+ afs=true
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="$models";;
+ afs=false
+ fi
+ ;;
esac
-$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.)
+if $afs; then
+ echo "AFS may be running... I'll be extra cautious then..." >&4
+else
+ echo "AFS does not seem to be running..." >&4
+fi
-EOM
-rp="Which memory models are supported?"
-. ./myread
-models="$ans"
+: decide how portable to be. Allow command line overrides.
+case "$d_portable" in
+"$undef") ;;
+*) d_portable="$define" ;;
+esac
-case "$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 $gccversion." ;;
- esac
-else
- echo " "
- echo "*** WHOA THERE!!! ***" >&4
- echo " Your C compiler \"$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 $pth` ;;
-esac
-
-: decide how portable to be. Allow command line overrides.
-case "$d_portable" in
-"$undef") ;;
-*) d_portable="$define" ;;
-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
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 $mips_type compiler and libraries."
- xxx_prompt=y
- echo "exit 0" >mips
-else
- echo "Doesn't look like a MIPS system."
- xxx_prompt=n
- echo "exit 1" >mips
-fi
-chmod +x mips
-$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"
+: determine root of directory hierarchy where package will be installed.
+case "$prefix" in
+'')
+ dflt=`./loc . /usr/local /usr/local /local /opt /usr`
;;
-*) usrinc="$dflt"
+*)
+ dflt="$prefix"
;;
esac
+$cat <<EOM
-: 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
+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.
-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..."
- ;;
+EOM
+fn=d~
+rp='Installation prefix to use?'
+. ./getfile
+oldprefix=''
+case "$prefix" in
+'') ;;
+*)
+ case "$ans" in
+ "$prefix") ;;
+ *) oldprefix="$prefix";;
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
-
-: Set private lib path
-case "$plibpth" in
-'') if ./mips; then
- plibpth="$incpath/usr/lib /usr/local/lib /usr/ccs/lib"
- fi;;
-esac
-case "$libpth" in
-' ') dlist='';;
-'') dlist="$loclibpth $plibpth $glibpth";;
-*) dlist="$libpth";;
-esac
-
-: Now check and see which directories actually exist, avoiding duplicates
-libpth=''
-for xxx in $dlist
-do
- if $test -d $xxx; then
- case " $libpth " in
- *" $xxx "*) ;;
- *) libpth="$libpth $xxx";;
- esac
- fi
-done
-$cat <<'EOM'
-
-Some systems have incompatible or broken versions of libraries. Among
-the directories listed in the question below, please remove any you
-know not to be holding relevant libraries, and add any that are needed.
-Say "none" for none.
-
-EOM
-case "$libpth" in
-'') dflt='none';;
-*)
- set X $libpth
- shift
- dflt=${1+"$@"}
- ;;
-esac
-rp="Directories to use for library searches?"
-. ./myread
-case "$ans" in
-none) libpth=' ';;
-*) libpth="$ans";;
-esac
-
-: determine 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"
+ ;;
+esac
+prefix="$ans"
+prefixexp="$ansexp"
: set the prefixit variable, to compute a suitable default value
prefixit='case "$3" in
esac;;
esac'
-: 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 where public executables go
-echo " "
-set dflt bin bin
+: 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
-fn=d~
-rp='Pathname where the public executables will reside?'
+$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$ansexp" != "X$binexp"; then
- installbin=''
+if $test "X$privlibexp" != "X$ansexp"; then
+ installprivlib=''
fi
-bin="$ans"
-binexp="$ansexp"
+privlib="$ans"
+privlibexp="$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
+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 "$installbin" in
- '') dflt=`echo $binexp | sed 's#^/afs/#/afs/.#'`;;
- *) dflt="$installbin";;
+ case "$installprivlib" in
+ '') dflt=`echo $privlibexp | sed 's#^/afs/#/afs/.#'`;;
+ *) dflt="$installprivlib";;
esac
fn=de~
- rp='Where will public executables be installed?'
+ rp='Where will private files be installed?'
. ./getfile
- installbin="$ans"
+ installprivlib="$ans"
else
- installbin="$binexp"
+ 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
*) eval "$1=\`echo \$$1 | sed \"s,^$prefixexp,$prefix,\"\`";;
esac'
-: determine where public executable scripts go
-set scriptdir scriptdir
+: determine where public architecture dependent libraries go
+set archlib archlib
eval $prefixit
-case "$scriptdir" in
+case "$archlib" 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
+ case "$privlib" in
+ '') dflt=`./loc . "." $prefixexp/lib /usr/local/lib /usr/lib /lib`
set dflt
eval $prefixup
;;
-*) dflt="$scriptdir"
+ *) 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
-
-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.
-
+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 keep publicly executable scripts?'
-. ./getfile
-if $test "X$ansexp" != "X$scriptdirexp"; then
- installscript=''
-fi
-scriptdir="$ans"
-scriptdirexp="$ansexp"
-if $afs; then
- $cat <<EOM
-
-Since you are running AFS, I need to distinguish the directory in which
-scripts reside from the directory in which they are installed (and from
-which they are presumably copied to the former directory by occult means).
-
-EOM
- case "$installscript" in
- '') dflt=`echo $scriptdirexp | sed 's#^/afs/#/afs/.#'`;;
- *) dflt="$installscript";;
- esac
- fn=de~
- rp='Where will public scripts be installed?'
- . ./getfile
- installscript="$ans"
-else
- installscript="$scriptdirexp"
-fi
-
-: determine where private executables go
-set dflt privlib lib/$package
-eval $prefixit
-$cat <<EOM
-
-There are some auxiliary files for $package that need to be put into a
-private library directory that is accessible by everyone.
-
-EOM
-fn=d~+
-rp='Pathname where the private library files will reside?'
-. ./getfile
-if $test "X$privlibexp" != "X$ansexp"; then
- installprivlib=''
-fi
-privlib="$ans"
-privlibexp="$ansexp"
-if $afs; then
- $cat <<EOM
-
-Since you are running AFS, I need to distinguish the directory in which
-private files reside from the directory in which they are installed (and from
-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 the architecture name
-echo " "
-if xxx=`./loc arch blurfl $pth`; $test -f "$xxx"; then
- tarch=`arch`"-$osname"
-elif xxx=`./loc uname blurfl $pth`; $test -f "$xxx" ; then
- if uname -m > tmparch 2>&1 ; then
- tarch=`$sed -e 's/ /_/g' -e 's/$/'"-$osname/" tmparch`
- else
- tarch="$osname"
- fi
- $rm -f tmparch
-else
- tarch="$osname"
-fi
-case "$myarchname" in
-''|"$tarch") ;;
-*)
- echo "(Your architecture name used to be $myarchname.)"
- archname=''
- ;;
-esac
-case "$archname" in
-'') dflt="$tarch";;
-*) dflt="$archname";;
-esac
-rp='What is your architecture name'
-. ./myread
-archname="$ans"
-myarchname="$tarch"
-
-: 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
- ;;
- *) dflt="$privlib/$archname";;
- 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?'
+fn=d+~
+rp='Where do you want to put the public architecture-dependent libraries?'
. ./getfile
archlib="$ans"
archlibexp="$ansexp"
d_archlib="$define"
fi
-: determine whether the user wants to include a site-specific library
-: in addition to privlib.
-$cat <<EOM
-
-Some sites may wish to specify a local directory for $package
-to search by default in addition to $privlib.
-If you don't want to use such an additional directory, answer 'none'.
-
-EOM
-case "$sitelib" in
-'') dflt=none ;;
-*) dflt="$sitelib" ;;
-esac
-fn=d~+n
-rp='Local directory for additional library files?'
-. ./getfile
-if $test "X$sitelibexp" != "X$ansexp"; then
- installsitelib=''
-fi
-sitelib="$ans"
-sitelibexp="$ansexp"
-if $afs; then
- case "$sitelib" in
- '') installsitelib="$sitelibexp"
- ;;
- *) $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 additional local files be installed?'
- . ./getfile
- installsitelib="$ans"
- ;;
- esac
-else
- installsitelib="$sitelibexp"
-fi
-
-case "$sitelibexp" in
-'') d_sitelib=undef ;;
-*) d_sitelib=define ;;
-esac
-
-: 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
-echo "If you don't want the manual sources installed, answer 'none'."
-case "$man1dir" in
-'')
- lookpath="$prefixexp/man/man1 $prefixexp/man/u_man/man1"
- lookpath="$lookpath $prefixexp/man/l_man/man1"
- lookpath="$lookpath /usr/local/man/man1 /opt/man/man1 /usr/man/manl"
- lookpath="$lookpath /usr/man/local/man1 /usr/man/l_man/man1"
- lookpath="$lookpath /usr/local/man/u_man/man1 /usr/local/man/l_man/man1"
- lookpath="$lookpath /usr/man/man.L"
- man1dir=`./loc . $prefixexp/man/man1 $lookpath`
- if $test -d "$man1dir"; then
- dflt="$man1dir"
- else
- dflt="$sysman"
- fi
- set dflt
- eval $prefixup
- ;;
-' ') dflt=none;;
-*) dflt="$man1dir"
- ;;
-esac
-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).
-
-EOM
- case "$installman1dir" in
- '') dflt=`echo $man1direxp | sed 's#^/afs/#/afs/.#'`;;
- *) dflt="$installman1dir";;
- esac
- fn=de~
- rp='Where will man pages be installed?'
- . ./getfile
- installman1dir="$ans"
-else
- installman1dir="$man1direxp"
-fi
-
-: 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 "$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
- . ./myread
- man1ext="$ans"
- ;;
-esac
-
: set up the script used to warn in case of inconsistency
-cat <<'EOSC' >whoa
+cat <<EOS >whoa
+$startsh
+EOS
+cat <<'EOSC' >>whoa
dflt=y
echo " "
echo "*** WHOA THERE!!! ***" >&4
*) eval "$var=$val";;
esac'
-: see if we can have long filenames
+$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 " "
-rmlist="$rmlist /tmp/cf$$"
-$test -d /tmp/cf$$ || mkdir /tmp/cf$$
-first=123456789abcdef
-second=/tmp/cf$$/$first
-$rm -f $first $second
-if (echo hi >$first) 2>/dev/null; then
- if $test -f 123456789abcde; then
- echo 'You cannot have filenames longer than 14 characters. Sigh.' >&4
- val="$undef"
+$echo $n "Hmm... $c"
+echo exit 1 >bsd
+echo exit 1 >usg
+echo exit 1 >v7
+echo exit 1 >osf1
+echo exit 1 >eunice
+echo exit 1 >xenix
+echo exit 1 >venix
+echo exit 1 >os2
+d_bsd="$undef"
+$cat /usr/include/signal.h /usr/include/sys/signal.h >foo 2>/dev/null
+if test -f /osf_boot || $contains 'OSF/1' /usr/include/ctype.h >/dev/null 2>&1
+then
+ echo "Looks kind of like an OSF/1 system, but we'll see..."
+ echo exit 0 >osf1
+elif test `echo abc | tr a-z A-Z` = Abc ; then
+ xxx=`./loc addbib blurfl $pth`
+ if $test -f $xxx; then
+ echo "Looks kind of like a USG system with BSD features, but we'll see..."
+ echo exit 0 >bsd
+ echo exit 0 >usg
else
- if (echo hi >$second) 2>/dev/null; then
- if $test -f /tmp/cf$$/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
+ if $contains SIGTSTP foo >/dev/null 2>&1 ; then
+ echo "Looks kind of like an extended USG system, but we'll see..."
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"
+ 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
- $cat <<'EOM'
-You can't have filenames longer than 14 chars. You can't even think about them!
-EOM
- val="$undef"
-fi
-set d_flexfnam
-eval $setvar
-$rm -rf /tmp/cf$$ 123456789abcde*
+ 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
-: determine where library module manual pages go
-set man3dir man3dir none
-eval $prefixit
+: see if setuid scripts can be secure
$cat <<EOM
-$spackage has manual pages for many of the library modules.
+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
-case "$nroff" in
-nroff)
- $cat <<'EOM'
-However, you don't have nroff, so they're probably useless to you.
-You can use the supplied perldoc script instead.
+val="$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
+ $cat <<EOM
+If you are not sure if they are secure, I can check but I'll need a
+username and password different from the one you are using right now.
+If you don't have such a username or don't want me to test, simply
+enter 'none'.
+
EOM
- case "$man3dir" in
- '') man3dir="none";;
- esac;;
-esac
+ 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 $package to detect those bits and emulate
+setuid/setgid in a secure fashion. This emulation will only work if
+setuid scripts have been disabled in your kernel.
-case "$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;;
+ 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 $setvar
-echo "If you don't want the manual sources installed, answer 'none'."
-case "$man3dir" in
-'') dflt="$privlib/man/man3" ;;
-' ') dflt=none;;
-*) dflt="$man3dir" ;;
+: determine where site specific libraries go.
+set sitelib sitelib
+eval $prefixit
+case "$sitelib" in
+'') dflt="$privlib/site_perl" ;;
+*) dflt="$sitelib" ;;
esac
-echo " "
+$cat <<EOM
-fn=dn~
-rp="Where do the $spackage library man pages (source) go?"
+The installation process will also create a directory for
+site-specific extensions and modules. Some users find it convenient
+to place all local files in this directory rather than in the main
+distribution directory.
+
+EOM
+fn=d~+
+rp='Pathname for the site-specific library files?'
. ./getfile
-if test "X$man3direxp" != "X$ansexp"; then
- installman3dir=''
+if $test "X$sitelibexp" != "X$ansexp"; then
+ installsitelib=''
fi
-
-man3dir="$ans"
-man3direxp="$ansexp"
-case "$man3dir" in
-'') man3dir=' '
- installman3dir='';;
-esac
+sitelib="$ans"
+sitelibexp="$ansexp"
if $afs; then
$cat <<EOM
Since you are running AFS, I need to distinguish the directory in which
-manual pages reside from the directory in which they are installed (and from
+private files reside from the directory in which they are installed (and from
which they are presumably copied to the former directory by occult means).
EOM
- case "$installman3dir" in
- '') dflt=`echo $man3direxp | sed 's#^/afs/#/afs/.#'`;;
- *) dflt="$installman3dir";;
+ case "$installsitelib" in
+ '') dflt=`echo $sitelibexp | sed 's#^/afs/#/afs/.#'`;;
+ *) dflt="$installsitelib";;
esac
fn=de~
- rp='Where will man pages be installed?'
+ rp='Where will private files be installed?'
. ./getfile
- installman3dir="$ans"
+ installsitelib="$ans"
else
- installman3dir="$man3direxp"
+ installsitelib="$sitelibexp"
fi
-: What suffix to use on installed man pages
-
-case "$man3dir" in
-' ')
- man3ext='0'
- ;;
-*)
- rp="What suffix should be used for the $spackage library man pages?"
- case "$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
- . ./myread
- man3ext="$ans"
- ;;
+: 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
-: 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
+The installation process will also create a directory for
+architecture-dependent site-specific extensions and modules.
-: 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
+EOM
+fn=nd~+
+rp='Pathname for the site-specific architecture-dependent library files?'
+. ./getfile
+if $test "X$sitearchexp" != "X$ansexp"; then
+ installsitearch=''
fi
-: you do not want to know about this
-set $myhostname
-myhostname=$1
+sitearch="$ans"
+sitearchexp="$ansexp"
+if $afs; then
+ $cat <<EOM
-: verify guess
-if $test "$myhostname" ; then
- dflt=y
- rp='Your host name appears to be "'$myhostname'".'" Right?"
- . ./myread
- case "$ans" in
- y*) ;;
- *) myhostname='';;
+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
-: 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 $myhostname | ./tr '[A-Z]' '[a-z]'`
+: determine where old public architecture dependent libraries might be
+case "$oldarchlib" in
+'') case "$privlib" in
+ '') ;;
+ *) dflt="$privlib/$archname"
+ ;;
+ esac
;;
-esac
-
-case "$myhostname" in
-*.*)
- dflt=`expr "X$myhostname" : "X[^.]*\(\..*\)"`
- myhostname=`expr "X$myhostname" : "X\([^.]*\)\."`
- echo "(Trimming domain name from host name--host name is now $myhostname)"
+*) dflt="$oldarchlib"
;;
-*) case "$mydomain" in
- '')
- $hostcat >hosts
- dflt=.`$awk "/[0-9].*$myhostname/ {for(i=2; i<=NF;i++) print \\\$i}" \
- hosts | $sort | $uniq | \
- $sed -n -e "s/$myhostname\.\([a-zA-Z_.]\)/\1/p"`
- case "$dflt" in
- .) echo "(You do not have fully-qualified names in /etc/hosts)"
- tans=`./loc resolv.conf X /etc /usr/etc`
- if $test -f "$tans"; then
- echo "(Attempting domain name extraction from $tans)"
- dflt=.`egrep '^domain' $tans | $sed 's/domain[ ]*\(.*\)/\1/' \
- | ./tr '[A-Z]' '[a-z]' 2>/dev/null`
- fi
- ;;
- esac
- case "$dflt" in
- .) echo "(No help from resolv.conf either -- attempting clever guess)"
- dflt=.`sh -c domainname 2>/dev/null`
- case "$dflt" in
- '') dflt='.';;
- .nis.*|.yp.*|.main.*) dflt=`echo $dflt | $sed -e 's/^\.[^.]*//'`;;
- esac
- ;;
- esac
- case "$dflt" in
- .) echo "(Lost all hope -- silly guess then)"
- dflt='.uucp'
- ;;
- esac
- $rm -f hosts
- ;;
- *) dflt="$mydomain";;
- esac;;
-esac
-echo " "
-rp="What is your domain name?"
-. ./myread
-tans="$ans"
-case "$ans" in
-'') ;;
-.*) ;;
-*) tans=".$tans";;
esac
-mydomain="$tans"
+if $test ! -d "$dflt/auto"; then
+ dflt=none
+fi
+cat <<EOM
-: 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
+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'.
-: 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 $phostname command, by the way.)"
- ;;
- esac
- ;;
- esac
- ;;
+EOM
+fn=dn~
+rp='Directory for your old 5.001 architecture-dependent libraries?'
+. ./getfile
+oldarchlib="$ans"
+oldarchlibexp="$ansexp"
+case "$oldarchlib" in
+''|' ') val="$undef" ;;
+*) val="$define" ;;
esac
+set d_oldarchlib
+eval $setvar
-$cat <<EOM
+: 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
+ $cat <<EOM
-I need to get your e-mail address in Internet format if possible, i.e.
-something like user@host.domain. Please answer accurately since I have
-no easy means to double check it. The default value provided below
-is most probably close to the reality but may not be valid from outside
-your organization...
+Since you are running AFS, I need to distinguish the directory in which
+executables reside from the directory in which they are installed (and from
+which they are presumably copied to the former directory by occult means).
EOM
-cont=x
-while test "$cont"; do
- case "$cf_email" in
- '') dflt="$cf_by@$myhostname$mydomain";;
- *) dflt="$cf_email";;
+ case "$installbin" in
+ '') dflt=`echo $binexp | sed 's#^/afs/#/afs/.#'`;;
+ *) dflt="$installbin";;
esac
- rp='What is your e-mail address?'
- . ./myread
- cf_email="$ans"
- case "$cf_email" in
- *@*.*) cont='' ;;
- *)
- rp='Address does not look like an Internet one. Use it anyway?'
- case "$fastread" in
- yes) dflt=y ;;
- *) dflt=n ;;
- esac
- . ./myread
- case "$ans" in
- y*) cont='' ;;
- *) echo " " ;;
- esac
- ;;
- esac
-done
-
-$cat <<EOM
-
-If you or somebody else will be maintaining perl at your site, please
-fill in the correct e-mail address here so that they may be contacted
-if necessary. Currently, the "perlbug" program included with perl
-will send mail to this address in addition to perlbug@perl.com. You may
-enter "none" for no administrator.
+ fn=de~
+ rp='Where will public executables be installed?'
+ . ./getfile
+ installbin="$ans"
+else
+ installbin="$binexp"
+fi
-EOM
-case "$perladmin" in
-'') dflt="$cf_email";;
-*) dflt="$perladmin";;
+: 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 $syspath`
+ ;;
esac
-rp='Perl administrator e-mail address'
-. ./myread
-perladmin="$ans"
-
+if $test -d "$sysman"; then
+ echo "System manual is in $sysman." >&4
+else
+ echo "Could not find manual pages in source form." >&4
+fi
-: determine optimize, if desired, or use for debug flag also
-case "$optimize" in
-' ') dflt='none';;
-'') dflt='-O';;
-*) dflt="$optimize";;
+: see what memory models we can support
+case "$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 <<EOH
-
-Some C compilers have problems with their optimizers, by default, $package
-compiles with the -O flag to use the optimizer. Alternately, you might want
-to use the symbolic debugger, which uses the -g flag (on traditional Unix
-systems). Either flag can be specified here. To use neither flag, specify
-the word "none".
+$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.)
-EOH
-rp="What optimizer/debugger flag should be used?"
+EOM
+rp="Which memory models are supported?"
. ./myread
-optimize="$ans"
-case "$optimize" in
-'none') optimize=" ";;
-esac
+models="$ans"
-dflt=''
-case "$ccflags" in
-'')
- case "$gccversion" in
- 1*) dflt='-fpcc-struct-return' ;;
+case "$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
- case "$optimize" in
- *-g*) dflt="$dflt -DDEBUGGING";;
+ rp="What flag indicates separate I and D space?"
+ . ./myread
+ tans="$ans"
+ case "$tans" in
+ none) tans='';;
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
- ;;
+ 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="$tans";;
+ *) small='';;
esac
;;
+*)
+ echo "Unrecognized memory models--you may have to edit Makefile.SH" >&4
+ ;;
esac
-case "$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$thisincl";;
- esac
- fi
- fi
-done
+: see if we need a special compiler
+echo " "
+if ./usg; then
+ case "$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.
-inctest='if $contains $2 $usrinc/$1 >/dev/null 2>&1; then
- xxx=true;
-elif $contains $2 $usrinc/sys/$1 >/dev/null 2>&1; then
- xxx=true;
+EOM
+ rp="What command will force resolution on this system?"
+ . ./myread
+ cc="$ans"
else
- xxx=false;
-fi;
-if $xxx; then
- case "$dflt" in
- *$2*);;
- *) dflt="$dflt -D$2";;
- esac;
-fi'
+ case "$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
-if ./osf1; then
- set signal.h __LANGUAGE_C__; eval $inctest
+: What should the include directory be ?
+echo " "
+$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
- set signal.h LANGUAGE_C; eval $inctest
+ echo "Doesn't look like a MIPS system."
+ xxx_prompt=n
+ echo "exit 1" >mips
fi
-set signal.h NO_PROTOTYPE; eval $inctest
-set signal.h _NO_PROTO; eval $inctest
+chmod +x mips
+$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="$dflt"
+ ;;
+esac
-case "$dflt" in
-'') dflt=none;;
+: Set private lib path
+case "$plibpth" in
+'') if ./mips; then
+ plibpth="$incpath/usr/lib /usr/local/lib /usr/ccs/lib"
+ fi;;
esac
-case "$ccflags" in
-'') ;;
-*) dflt="$ccflags";;
+case "$libpth" in
+' ') dlist='';;
+'') dlist="$loclibpth $plibpth $glibpth";;
+*) dlist="$libpth";;
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.
+: 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'
-To use no flags, specify the word "none".
+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.
-EOH
-set X $dflt
-shift
-dflt=${1+"$@"}
-rp="Any additional cc flags?"
+EOM
+case "$libpth" in
+'') dflt='none';;
+*)
+ set X $libpth
+ shift
+ dflt=${1+"$@"}
+ ;;
+esac
+rp="Directories to use for library searches?"
. ./myread
case "$ans" in
-none) ccflags='';;
-*) ccflags="$ans";;
+none) libpth=' ';;
+*) libpth="$ans";;
esac
-: the following weeds options from ccflags that are of no interest to cpp
-cppflags="$ccflags"
-case "$gccversion" in
-1*) cppflags="$cppflags -D__GNUC__"
+: Define several unixisms. Hints files or command line options
+: can be used to override them.
+case "$ar" in
+'') ar='ar';;
esac
-case "$mips_type" in
-'');;
-*BSD*) cppflags="$cppflags -DSYSTYPE_BSD43";;
+case "$lib_ext" in
+'') lib_ext='.a';;
esac
-case "$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
- $rm -f cpp.c cpp?.out
- ;;
+case "$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
-: flags used in final linking phase
-
-case "$ldflags" in
-'') if ./venix; then
- dflt='-i -z'
+: compute shared library extension
+case "$so" in
+'')
+ if xxx=`./loc libc.sl X $libpth`; $test -f "$xxx"; then
+ dflt='sl'
else
- dflt=''
+ dflt='so'
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' ;;
+*) dflt="$so";;
esac
+$cat <<EOM
-$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
- $libpth
-To use no flags, specify the word "none".
-
-EOH
+On some systems, shared libraries may be available. Answer 'none' if
+you want to suppress searching of shared libraries for the remaining
+of this configuration.
-rp="Any additional ld flags (NOT including libraries)?"
-. ./myread
-case "$ans" in
-none) ldflags='';;
-*) ldflags="$ans";;
-esac
-rmlist="$rmlist pdp11"
-
-: coherency check
-echo " "
-echo "Checking your choice of C compiler and flags for coherency..." >&4
-set X $cc $optimize $ccflags $ldflags try.c -o try
-shift
-$cat >try.msg <<EOM
-I've tried to compile and run a simple program with:
-
- $*
- ./try
-
-and I got the following output:
-
-EOM
-$cat > try.c <<'EOF'
-#include <stdio.h>
-main() { exit(0); }
-EOF
-dflt=y
-if sh -c "$cc $optimize $ccflags try.c -o try $ldflags" >>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
-
-: 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?'
+EOM
+rp='What is the file extension used for shared libraries?'
. ./myread
so="$ans"
*"-l$thislib "*);;
*) dflt="$dflt -l$thislib";;
esac
- elif xxx=`./loc lib$thislib.a X $libpth`; $test -f "$xxx"; then
+ 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.a X $libpth`; $test -f "$xxx"; then
+ 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.a X $libpth`; $test -f "$xxx"; then
+ 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.a X $xlibpth`; $test -f "$xxx"; then
+ elif xxx=`./loc Slib$thislib$lib_ext X $xlibpth`; $test -f "$xxx"; then
echo "Found -l$thislib."
case " $dflt " in
*"-l$thislib "*);;
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
+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 $package on your machine as well. If your system
*) libs="$ans";;
esac
-: see if nm is to be used to determine whether a symbol is defined or not
-case "$usenm" in
-'')
- dflt=`egrep 'inlibc|csym' ../Configure | wc -l 2>/dev/null`
- if $test $dflt -gt 20; then
- dflt=y
+: 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 $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+ echo "OK, that will do." >&4
else
- dflt=n
+echo "Sorry, I can't get that to work. Go find one and rerun Configure." >&4
+ exit 1
fi
- ;;
-*)
- case "$usenm" in
- true) dflt=y;;
- *) dflt=n;;
+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
-$cat <<EOM
-
-I can use 'nm' to extract the symbols from your C libraries. This is a time
-consuming task which may generate huge output on the disk (up to 3 megabytes)
-but that should make the symbols extraction faster. The alternative is to skip
-the 'nm' extraction part and to compile a small test program instead to
-determine whether each symbol is present. If you have a fast C compiler and/or
-if your 'nm' output cannot be parsed, this may be the best solution.
-EOM
-rp='Shall I use nm to extract C symbols from the libraries?'
-. ./myread
-case "$ans" in
-n|N) usenm=false;;
-*) usenm=true;;
+case "$cppstdin" in
+"$wrapper") ;;
+*) $rm -f $wrapper;;
esac
+$rm -f testcpp.c testcpp.out
-runnm=$usenm
-case "$reuseval" in
-true) runnm=false;;
+: determine optimize, if desired, or use for debug flag also
+case "$optimize" in
+' '|$undef) dflt='none';;
+'') dflt='-O';;
+*) dflt="$optimize";;
esac
+$cat <<EOH
-: 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
+Some C compilers have problems with their optimizers. By default, $package
+compiles with the -O flag to use the optimizer. Alternately, you might want
+to use the symbolic debugger, which uses the -g flag (on traditional Unix
+systems). Either flag can be specified here. To use neither flag, specify
+the word "none".
-case "$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 $libpth`
- esac
- ;;
+EOH
+rp="What optimizer/debugger flag should be used?"
+. ./myread
+optimize="$ans"
+case "$optimize" in
+'none') optimize=" ";;
esac
-libnames='';
-case "$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=''
+
+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
- libnames="$libnames $try"
;;
- *) libnames="$libnames $thislib" ;;
esac
- done
;;
esac
-xxx=normal
-case "$libc" in
-unknown)
- set /usr/ccs/lib/libc.$so
- $test -r $1 || set /usr/lib/libc.$so
- $test -r $1 || set /usr/shlib/libc.$so
- $test -r $1 || \
- set `echo blurfl; echo /usr/lib/libc.$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 | $sed -e 's/^.* //'`
- eval set \$$#
- $test -r $1 || set /lib/libc.$so
- $test -r $1 || set /lib/libsys_s.a
- ;;
-*)
- set blurfl
- ;;
+
+case "$mips_type" in
+*BSD*|'') inclwanted="$locincpth $usrinc";;
+*) inclwanted="$locincpth $inclwanted $usrinc/bsd";;
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"
+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
-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."
+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
- 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
+ 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
-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.
+case "$hint" in
+none|recommended) dflt="$ccflags $dflt" ;;
+*) dflt="$ccflags";;
+esac
-EOM
-else
- dflt=''
- echo $libpth | tr ' ' '\012' | sort | uniq > libpath
- cat >&4 <<EOM
-I can't seem to find your C library. I've looked in the following places:
+case "$dflt" in
+''|' ') dflt=none;;
+esac
+$cat <<EOH
-EOM
- $sed 's/^/ /' libpath
- cat <<EOM
+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.
-None of these seems to contain your C library. I need to get its name...
+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=''
+ $cat >cpp.c <<'EOM'
+#define BLURFL foo
+BLURFL xx LFRULB
EOM
-fi
-fn=f
-rp='Where is your C library?'
-. ./getfile
-libc="$ans"
+ 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
-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
+: flags used in final linking phase
-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 $com >libc.list"; echo "done" >&4'
-xxx='[ADTSIW]'
-if com="$sed -n -e 's/__IO//' -e 's/^.* $xxx *_[_.]*//p' -e 's/^.* $xxx //p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$sed -n -e 's/^__*//' -e 's/^\([a-zA-Z_0-9$]*\).*xtern.*/\1/p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$sed -n -e '/|UNDEF/d' -e '/FUNC..GL/s/^.*|__*//p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$sed -n -e 's/^.* D __*//p' -e 's/^.* D //p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$sed -n -e 's/^_//' -e 's/^\([a-zA-Z_0-9]*\).*xtern.*text.*/\1/p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$sed -n -e 's/^.*|FUNC |GLOB .*|//p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$grep '|' | $sed -n -e '/|COMMON/d' -e '/|DATA/d' \
- -e '/ file/d' -e 's/^\([^ ]*\).*/\1/p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$sed -n -e 's/^.*|FUNC |GLOB .*|//p' -e 's/^.*|FUNC |WEAK .*|//p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$sed -n -e 's/^__//' -e '/|Undef/d' -e '/|Proc/s/ .*//p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$sed -n -e '/Def. Text/s/.* \([^ ]*\)\$/\1/p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$sed -n -e 's/^[-0-9a-f ]*_\(.*\)=.*/\1/p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
+case "$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
- 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 $xrun
+ echo "I can't compile the test program." >>try.msg
+ rp="You have a BIG problem. Shall I abort Configure"
+ dflt=y
+fi
+case "$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 -f /lib64/rld; then
+ nm_opt='-p' # 64-bit Irix
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
+ 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
- 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 $thisname >>libc.tmp
- done
- echo "Ok." >&4
+ try=''
+ fi
+ libnames="$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"
+
+: determine which dynamic loading, if any, to compile in
+echo " "
+dldir="ext/DynaLoader"
+case "$usedl" in
+$define|y|true)
+ dflt='y'
+ usedl="$define"
+ ;;
+$undef|n|false)
+ dflt='n'
+ usedl="$undef"
+ ;;
+*)
+ dflt='n'
+ case "$d_dlopen" in
+ $define) dflt='y' ;;
+ esac
+ case "$i_dld" in
+ $define) dflt='y' ;;
+ 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 "$gccversion" in
+ '') case "$osname" in
+ hpux) dflt='+z' ;;
+ next) dflt='none' ;;
+ svr4*|esix*) dflt='-Kpic' ;;
+ irix*) dflt='-KPIC' ;;
+ solaris) case "$ccflags" in
+ *-DDEBUGGING*) dflt='-KPIC' ;;
+ *) dflt='-Kpic' ;;
+ esac ;;
+ sunos) dflt='-pic' ;;
+ *) dflt='none' ;;
+ esac ;;
+ *) case "$osname/$ccflags" in
+ solaris/*-DDEBUGGING*) dflt='-fPIC' ;;
+ *) dflt='-fpic' ;;
+ esac ;;
+ esac ;;
+ *) dflt="$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 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 "I'll use ld to build dynamic libraries."
+ dflt='ld'
+ fi
+ rm -f try.c a.out
+ ;;
+ *) dflt="$ld"
+ ;;
+ esac
+
+ rp="What command should be used to create dynamic libraries?"
+ . ./myread
+ ld="$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 $thisflag" ;;
+ esac
+ ;;
+ esac
+done
+
+case "$dflt" in
+'') dflt='none' ;;
+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 $cc to indicate that
+the resulting executable will use dynamic linking. To use no flags,
+say "none".
+
+EOM
+ case "$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
+
+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
+ $cat << EOM
+
+The perl executable is normally obtained by linking perlmain.c with
+libperl${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 $xxx \`pwd\`
+for Csh-style shells. You *MUST* do this before running make.
+
+EOM
+ ;;
+ *) useshrplib='false' ;;
+ esac
+ ;;
+esac
+
+case "$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.$so ;;
+ esac
+ ;;
+ esac
+ ;;
+ *) dflt=$libperl
+ ;;
+ esac
+ cat << EOM
+
+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.
+
+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.
+
+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
+
+# Detect old use of shrpdir via undocumented Configure -Dshrpdir
+case "$shrpdir" in
+'') ;;
+*) $cat >&4 <<EOM
+WARNING: Use of the shrpdir variable for the installation location of
+the shared $libperl is not supported. It was never documented and
+will not work in this version. Let me (chip@perl.com) know of any
+problems this may cause.
+
+EOM
+ case "$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
+
+# 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
+
+Adding $xxx to the flags
+passed to $ld so that the perl executable will find the
+installed shared $libperl.
+
+EOM
+ ;;
+ esac
+ ;;
+ esac
+fi
+# Respect a hint or command-line value.
+case "$shrpenv" in
+'') shrpenv="$tmp_shrpenv" ;;
+esac
+
+: 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 "$man1dir" in
+ '') man1dir="none";;
+ esac;;
+esac
+echo "If you don't want the manual sources installed, answer 'none'."
+case "$man1dir" in
+' ') dflt=none
+ ;;
+'')
+ lookpath="$prefixexp/man/man1 $prefixexp/man/l_man/man1"
+ lookpath="$lookpath $prefixexp/man/p_man/man1"
+ lookpath="$lookpath $prefixexp/man/u_man/man1"
+ lookpath="$lookpath $prefixexp/man/man.1"
+ : If prefix contains 'perl' then we want to keep the man pages
+ : under the prefix directory. Otherwise, look in a variety of
+ : other possible places. This is debatable, but probably a
+ : good compromise. Well, apparently not.
+ : Experience has shown people expect man1dir to be under prefix,
+ : so we now always put it there. Users who want other behavior
+ : can answer interactively or use a command line option.
+ : Does user have System V-style man paths.
+ case "$sysman" in
+ */?_man*) dflt=`./loc . $prefixexp/l_man/man1 $lookpath` ;;
+ *) dflt=`./loc . $prefixexp/man/man1 $lookpath` ;;
+ esac
+ set dflt
+ eval $prefixup
+ ;;
+*) dflt="$man1dir"
+ ;;
+esac
+echo " "
+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
+ $cat <<EOM
+
+Since you are running AFS, I need to distinguish the directory in which
+manual pages reside from the directory in which they are installed (and from
+which they are presumably copied to the former directory by occult means).
+
+EOM
+ case "$installman1dir" in
+ '') dflt=`echo $man1direxp | sed 's#^/afs/#/afs/.#'`;;
+ *) dflt="$installman1dir";;
+ esac
+ fn=de~
+ rp='Where will man pages be installed?'
+ . ./getfile
+ installman1dir="$ans"
+else
+ installman1dir="$man1direxp"
+fi
+
+: 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
+ . ./myread
+ man1ext="$ans"
+ ;;
+esac
+
+: see if we can have long filenames
+echo " "
+rmlist="$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 "That didn't work either. Giving up." >&4
- exit 1
+ 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
-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
-;;
+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
-$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 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;
- $rm -f t t.c;;
+case "$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=none;;
+*) dflt="$man3dir" ;;
+esac
+echo " "
+
+fn=dn+~
+rp="Where do the $spackage library man pages (source) go?"
+. ./getfile
+if test "X$man3direxp" != "X$ansexp"; then
+ installman3dir=''
+fi
+
+man3dir="$ans"
+man3direxp="$ansexp"
+case "$man3dir" in
+'') man3dir=' '
+ installman3dir='';;
+esac
+if $afs; then
+ $cat <<EOM
+
+Since you are running AFS, I need to distinguish the directory in which
+manual pages reside from the directory in which they are installed (and from
+which they are presumably copied to the former directory by occult means).
+
+EOM
+ case "$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 "$man3dir" in
+' ')
+ man3ext='0'
+ ;;
*)
- case "$tval" in
- $define) tval=true;;
- *) tval=false;;
- esac;;
-esac;
-eval "$2=$tval"'
+ 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="$ans"
+ ;;
+esac
-: define an is-in-libc? function
-inlibc='echo " "; td=$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";;
+: 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 "$hostcat" in
+ nidump*) ;;
*)
- echo "$sym() NOT found." >&4;
- case "$was" in $define) . ./whoa; esac; eval "$var=\$tu";;
- esac;;
-*)
- case "$was" in
- $define) echo "$sym() found." >&4;;
- *) echo "$sym() NOT found." >&4;;
- esac;;
-esac'
+ case "$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
-: Check how to convert floats to strings.
-echo " "
-echo "Checking for an efficient way to convert floats to strings."
-$cat >try.c <<'EOP'
-#ifdef TRY_gconvert
-#define Gconvert(x,n,t,b) gconvert((x),(n),(t),(b))
-#endif
-#ifdef TRY_gcvt
-#define Gconvert(x,n,t,b) gcvt((x),(n),(b))
-#endif
-#ifdef TRY_sprintf
-#define Gconvert(x,n,t,b) sprintf((b),"%.*g",(n),(x))
-#endif
-main() {
- char buf[64];
- Gconvert(1.0, 8, 0, buf);
- if (buf[0] != '1' || buf[1] != '\0')
- exit(1);
- Gconvert(0.0, 8, 0, buf);
- if (buf[0] != '0' || buf[1] != '\0')
- exit(1);
- Gconvert(-1.0, 8, 0, buf);
- if (buf[0] != '-' || buf[1] != '1' || buf[2] != '\0')
- exit(1);
- exit(0);
-}
-EOP
-case "$d_Gconvert" in
-gconvert*) xxx_list='gconvert gcvt sprintf' ;;
-gcvt*) xxx_list='gcvt gconvert sprintf' ;;
-sprintf*) xxx_list='sprintf gconvert gcvt' ;;
-*) xxx_list='gconvert gcvt sprintf' ;;
+: 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
-
-for xxx_convert in $xxx_list; do
- echo "Trying $xxx_convert"
- $rm -f try try.o
- if $cc $ccflags -DTRY_$xxx_convert $ldflags -o try \
- try.c $libs > /dev/null 2>&1 ; then
- echo "$xxx_convert" found. >&4
- if ./try; then
- echo "Good, $xxx_convert drops a trailing decimal point."
- echo "I'll use $xxx_convert to convert floats into a string." >&4
- break;
- else
- echo "But $xxx_convert keeps a trailing decimal point".
+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=$tans
+ phostname='uuname -l'
else
- echo "$xxx_convert NOT found." >&4
+ 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 $myhostname';;
+ esac
+ fi
+ fi
fi
-done
-
-case "$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
-h_fcntl=false
+fi
+: you do not want to know about this
+set $myhostname
+myhostname=$1
-: Initialize h_sysfile
-h_sysfile=false
+: 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
-: 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
+: bad guess or no guess
+while $test "X$myhostname" = X ; do
+ dflt=''
+ rp="Please type the (one word) name of your host:"
+ . ./myread
+ myhostname="$ans"
done
-EOF
-chmod +x fieldn
-fieldn=`./fieldn`
-$rm -f foo.c fieldn
-case $fieldn in
-'') pos='???';;
-1) pos=first;;
-2) pos=second;;
-3) pos=third;;
-*) pos="${fieldn}th";;
+
+: 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
-echo "Your cpp writes the filename in the $pos field of the line."
-: locate header file
-$cat >findhdr <<EOF
-$startsh
-wanted=\$1
-name=''
-if test -f $usrinc/\$wanted; then
- echo "$usrinc/\$wanted"
- exit 0
-fi
-awkprg='{ print \$$fieldn }'
-echo "#include <\$wanted>" > foo\$\$.c
-$cppstdin $cppminus $cppflags < foo\$\$.c 2>/dev/null | \
-$grep "^[ ]*#.*\$wanted" | \
-while read cline; do
- name=\`echo \$cline | $awk "\$awkprg" | $tr -d '"'\`
- case "\$name" in
- */\$wanted) echo "\$name"; exit 0;;
- *) name='';;
- esac;
-done;
-$rm -f foo\$\$.c;
-case "\$name" in
-'') exit 1;;
+case "$myhostname" in
+*.*)
+ dflt=`expr "X$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
+ 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' $tans \
+ | ./tr '[A-Z]' '[a-z]' 2>/dev/null`
+ ;;
+ esac
+ fi
+ ;;
+ esac
+ case "$dflt" in
+ .) echo "(No help from resolv.conf either -- attempting clever guess)"
+ dflt=.`sh -c domainname 2>/dev/null`
+ case "$dflt" in
+ '') dflt='.';;
+ .nis.*|.yp.*|.main.*) dflt=`echo $dflt | $sed -e 's/^\.[^.]*//'`;;
+ esac
+ ;;
+ esac
+ case "$dflt" in
+ .) echo "(Lost all hope -- silly guess then)"
+ dflt='.uucp'
+ ;;
+ esac
+ $rm -f hosts
+ ;;
+ *) dflt="$mydomain";;
+ esac;;
esac
-EOF
-chmod +x findhdr
+echo " "
+rp="What is your domain name?"
+. ./myread
+tans="$ans"
+case "$ans" in
+'') ;;
+.*) ;;
+*) tans=".$tans";;
+esac
+mydomain="$tans"
-: access call always available on UNIX
-set access d_access
-eval $inlibc
+: translate upper to lower if necessary
+case "$mydomain" in
+*[A-Z]*)
+ echo "(Normalizing case in your domain name)"
+ mydomain=`echo $mydomain | ./tr '[A-Z]' '[a-z]'`
+ ;;
+esac
-: locate the flags for 'access()'
-case "$d_access" in
-"$define")
- echo " "
- $cat >access.c <<'EOCP'
-#include <sys/types.h>
-#ifdef I_FCNTL
-#include <fcntl.h>
-#endif
-#ifdef I_SYS_FILE
-#include <sys/file.h>
-#endif
-#ifdef I_UNISTD
-#include <unistd.h>
-#endif
-main() {
- exit(R_OK);
-}
-EOCP
- : check sys/file.h first, no particular reason here
- if $test `./findhdr sys/file.h` && \
- $cc $cppflags -DI_SYS_FILE access.c -o access >/dev/null 2>&1 ; then
- h_sysfile=true;
- echo "<sys/file.h> defines the *_OK access constants." >&4
- elif $test `./findhdr fcntl.h` && \
- $cc $cppflags -DI_FCNTL access.c -o access >/dev/null 2>&1 ; then
- h_fcntl=true;
- echo "<fcntl.h> defines the *_OK access constants." >&4
- elif $test `./findhdr unistd.h` && \
- $cc $cppflags -DI_UNISTD access.c -o access >/dev/null 2>&1 ; then
- echo "<unistd.h> defines the *_OK access constants." >&4
- else
- echo "I can't find the four *_OK access constants--I'll use mine." >&4
- fi
+: a little sanity check here
+case "$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 $phostname command, by the way.)"
+ ;;
+ esac
+ ;;
+ esac
;;
esac
-$rm -f access*
-: see if alarm exists
-set alarm d_alarm
-eval $inlibc
+$cat <<EOM
-: Look for GNU-cc style attribute checking
-echo " "
-echo "Checking whether your compiler can handle __attribute__ ..." >&4
-$cat >attrib.c <<'EOCP'
-#include <stdio.h>
-void croak (char* pat,...) __attribute__((format(printf,1,2),noreturn));
-EOCP
-if $cc $ccflags -c attrib.c >attrib.out 2>&1 ; then
- if $contains 'warning' attrib.out >/dev/null 2>&1; then
- echo "Your C compiler doesn't fully support __attribute__."
- val="$undef"
- else
- echo "Your C compiler supports __attribute__."
- val="$define"
- fi
-else
- echo "Your C compiler doesn't seem to understand __attribute__ at all."
- val="$undef"
-fi
-set d_attribut
-eval $setvar
-$rm -f attrib*
+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...
-: see if bcmp exists
-set bcmp d_bcmp
-eval $inlibc
+EOM
+cont=x
+while test "$cont"; do
+ case "$cf_email" in
+ '') dflt="$cf_by@$myhostname$mydomain";;
+ *) dflt="$cf_email";;
+ esac
+ rp='What is your e-mail address?'
+ . ./myread
+ cf_email="$ans"
+ case "$cf_email" in
+ *@*.*) cont='' ;;
+ *)
+ rp='Address does not look like an Internet one. Use it anyway?'
+ case "$fastread" in
+ yes) dflt=y ;;
+ *) dflt=n ;;
+ esac
+ . ./myread
+ case "$ans" in
+ y*) cont='' ;;
+ *) echo " " ;;
+ esac
+ ;;
+ esac
+done
-: see if bcopy exists
-set bcopy d_bcopy
-eval $inlibc
+$cat <<EOM
-: see if setpgrp exists
-set setpgrp d_setpgrp
-eval $inlibc
+If you or somebody else will be maintaining perl at your site, please
+fill in the correct e-mail address here so that they may be contacted
+if necessary. Currently, the "perlbug" program included with perl
+will send mail to this address in addition to perlbug@perl.com. You may
+enter "none" for no administrator.
-: see which flavor of setpgrp is in use
-case "$d_setpgrp" in
-"$define")
- echo " "
- $cat >set.c <<EOP
-main()
-{
- if (getuid() == 0) {
- printf("(I see you are running Configure as super-user...)\n");
- setuid(1);
- }
- if (-1 == setpgrp(1, 1))
- exit(1);
- exit(0);
-}
-EOP
- if $cc $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1; then
- ./set 2>/dev/null
- case $? in
- 0) echo "You have to use setpgrp() instead of setpgrp(pid, pgrp)." >&4
- val="$undef";;
- *) echo "You have to use setpgrp(pid, pgrp) instead of setpgrp()." >&4
- val="$define";;
- esac
- else
- if ./usg; then
- xxx="USG one, i.e. you use setpgrp()."
- val="$undef"
- else
- xxx="BSD one, i.e. you use setpgrp(pid, pgrp)."
- val="$define"
- fi
- echo "Assuming your setpgrp is a $xxx" >&4
- fi
- ;;
-*) val="$undef";;
+EOM
+case "$perladmin" in
+'') dflt="$cf_email";;
+*) dflt="$perladmin";;
esac
-set d_bsdpgrp
-eval $setvar
-$rm -f set set.c
-
-: see if bzero exists
-set bzero d_bzero
-eval $inlibc
+rp='Perl administrator e-mail address'
+. ./myread
+perladmin="$ans"
-: check for length of integer
-echo " "
-case "$intsize" in
+: figure out how to guarantee perl startup
+case "$startperl" in
'')
- echo "Checking to see how big your integers are..." >&4
- $cat >try.c <<'EOCP'
-#include <stdio.h>
-main()
-{
- printf("%d\n", sizeof(int));
- exit(0);
-}
-EOCP
- if $cc $ccflags try.c -o try >/dev/null 2>&1 && ./try > /dev/null; then
- intsize=`./try`
- echo "Your integers are $intsize bytes long."
- else
- dflt='4'
- echo "(I can't seem to compile the test program. Guessing...)"
- rp="What is the size of an integer (in bytes)?"
+ case "$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="$binexp/perl"
+ rp='What shall I put after the #! to start up perl ("none" to not use #!)?'
. ./myread
- intsize="$ans"
- fi
+ case "$ans" in
+ none) startperl=": # use perl";;
+ *) startperl="#!$ans"
+ if $test 33 -lt `echo "$ans" | wc -c`; then
+ $cat >&4 <<EOM
+
+WARNING: Some systems limit the #! command to 32 characters.
+If you experience difficulty running Perl scripts with #!, try
+installing Perl in a directory with a shorter pathname.
+
+EOM
+ fi ;;
+ esac
+ ;;
+ *) startperl=": # use perl"
+ ;;
+ esac
;;
esac
-$rm -f try.c try
+echo "I'll use $startperl to start perl scripts."
-: see if signal is declared as pointer to function returning int or void
-echo " "
-xxx=`./findhdr signal.h`
-$test "$xxx" && $cppstdin $cppminus $cppflags < $xxx >$$.tmp 2>/dev/null
-if $contains 'int.*\*[ ]*signal' $$.tmp >/dev/null 2>&1 ; then
- echo "You have int (*signal())() instead of void." >&4
- val="$undef"
-elif $contains 'void.*\*[ ]*signal' $$.tmp >/dev/null 2>&1 ; then
- echo "You have void (*signal())() instead of int." >&4
- val="$define"
-elif $contains 'extern[ ]*[(\*]*signal' $$.tmp >/dev/null 2>&1 ; then
- echo "You have int (*signal())() instead of void." >&4
- val="$undef"
-else
- case "$d_voidsig" in
- '')
- echo "I can't determine whether signal handler returns void or int..." >&4
- dflt=void
- rp="What type does your signal handler return?"
- . ./myread
- case "$ans" in
- v*) val="$define";;
- *) val="$undef";;
- esac;;
- "$define")
- echo "As you already told me, signal handler returns void." >&4;;
+: figure best path for perl in scripts
+case "$perlpath" in
+'')
+ perlpath="$binexp/perl"
+ case "$startperl" in
+ *!*) ;;
*)
- echo "As you already told me, signal handler returns int." >&4;;
+ $cat <<EOH
+
+I will use the "eval 'exec'" idiom to start Perl on your system.
+I can use the full path of your Perl binary for this purpose, but
+doing so may cause problems if you want to share those scripts and
+Perl is not always in a standard place ($binexp/perl).
+
+EOH
+ dflt="$binexp/perl"
+ rp="What path shall I use in \"eval 'exec'\"?"
+ . ./myread
+ perlpath="$ans"
+ ;;
esac
-fi
-set d_voidsig
-eval $setvar
-case "$d_voidsig" in
-"$define") signal_t="void";;
-*) signal_t="int";;
+ ;;
+esac
+case "$startperl" in
+*!*) ;;
+*) echo "I'll use $perlpath in \"eval 'exec'\"" ;;
esac
-$rm -f $$.tmp
-: check for ability to cast large floats to 32-bit ints.
-echo " "
-echo 'Checking whether your C compiler can cast large floats to int32.' >&4
-if $test "$intsize" -eq 4; then
- xxx=int
-else
- xxx=long
+: determine where public executable scripts go
+set scriptdir scriptdir
+eval $prefixit
+case "$scriptdir" in
+'')
+ dflt="$bin"
+ : guess some guesses
+ $test -d /usr/share/scripts && dflt=/usr/share/scripts
+ $test -d /usr/share/bin && dflt=/usr/share/bin
+ $test -d /usr/local/script && dflt=/usr/local/script
+ $test -d $prefixexp/script && dflt=$prefixexp/script
+ set dflt
+ eval $prefixup
+ ;;
+*) dflt="$scriptdir"
+ ;;
+esac
+$cat <<EOM
+
+Some installations have a separate directory just for executable scripts so
+that they can mount it across multiple architectures but keep the scripts in
+one spot. You might, for example, have a subdirectory of /usr/share for this.
+Or you might just lump your scripts in with all your other executables.
+
+EOM
+fn=d~
+rp='Where do you keep publicly executable scripts?'
+. ./getfile
+if $test "X$ansexp" != "X$scriptdirexp"; then
+ installscript=''
fi
-$cat >try.c <<EOCP
-#include <sys/types.h>
-#include <signal.h>
-$signal_t blech() { exit(3); }
-main()
-{
- $xxx i32;
- double f;
- int result = 0;
- signal(SIGFPE, blech);
-
- f = (double) 0x7fffffff;
- f = 10 * f;
- i32 = ($xxx) f;
+scriptdir="$ans"
+scriptdirexp="$ansexp"
+if $afs; then
+ $cat <<EOM
- if (i32 != ($xxx) f)
- result |= 1;
- exit(result);
-}
-EOCP
-if $cc -o try $ccflags try.c >/dev/null 2>&1; then
- ./try
- yyy=$?
+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
- echo "(I can't seem to compile the test program--assuming it can't)"
- yyy=1
+ installscript="$scriptdirexp"
fi
-case "$yyy" in
-0) val="$define"
- echo "Yup, it can."
- ;;
-*) val="$undef"
- echo "Nope, it can't."
+
+cat <<EOM
+
+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|Y)
+ val="$define"
+ ;;
+*)
+ echo "Ok, doing things the stdio way"
+ val="$undef"
;;
esac
-set d_casti32
-eval $setvar
-$rm -f try try.*
+set useperlio
+eval $setvar
-: check for ability to cast negative floats to unsigned
+: Check how to convert floats to strings.
echo " "
-echo 'Checking whether your C compiler can cast negative float to unsigned.' >&4
-$cat >try.c <<EOCP
-#include <sys/types.h>
-#include <signal.h>
-$signal_t blech() { exit(7); }
-$signal_t blech_in_list() { exit(4); }
-unsigned long dummy_long(p) unsigned long p; { return p; }
-unsigned int dummy_int(p) unsigned int p; { return p; }
-unsigned short dummy_short(p) unsigned short p; { return p; }
-main()
+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
+
+#include <stdio.h>
+
+int
+checkit(expect, got)
+char *expect;
+char *got;
{
- double f = -123.;
- unsigned long along;
- unsigned int aint;
- unsigned short ashort;
- int result = 0;
+ if (strcmp(expect, got)) {
+ printf("%s oddity: Expected %s, got %s\n",
+ myname, expect, got);
+ exit(1);
+ }
+}
- signal(SIGFPE, blech);
- along = (unsigned long)f;
- aint = (unsigned int)f;
- ashort = (unsigned short)f;
- if (along != (unsigned long)-123)
- result |= 1;
- if (aint != (unsigned int)-123)
- result |= 1;
- if (ashort != (unsigned short)-123)
- result |= 1;
- f = (double)0x40000000;
- f = f + f;
- along = 0;
- along = (unsigned long)f;
- if (along != 0x80000000)
- result |= 2;
- f -= 1.;
- along = 0;
- along = (unsigned long)f;
- if (along != 0x7fffffff)
- result |= 1;
- f += 2.;
- along = 0;
- along = (unsigned long)f;
- if (along != 0x80000001)
- result |= 2;
- if (result)
- exit(result);
- signal(SIGFPE, blech_in_list);
- f = 123.;
- along = dummy_long((unsigned long)f);
- aint = dummy_int((unsigned int)f);
- ashort = dummy_short((unsigned short)f);
- if (along != (unsigned long)123)
- result |= 4;
- if (aint != (unsigned int)123)
- result |= 4;
- if (ashort != (unsigned short)123)
- result |= 4;
- exit(result);
+int
+main()
+{
+ char buf[64];
+ 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);
}
-EOCP
-if $cc -o try $ccflags try.c >/dev/null 2>&1; then
- ./try
- castflags=$?
-else
- echo "(I can't seem to compile the test program--assuming it can't)"
- castflags=7
-fi
-case "$castflags" in
-0) val="$define"
- echo "Yup, it can."
- ;;
-*) val="$undef"
- echo "Nope, it can't."
- ;;
+EOP
+case "$d_Gconvert" in
+gconvert*) xxx_list='gconvert gcvt sprintf' ;;
+gcvt*) xxx_list='gcvt gconvert sprintf' ;;
+sprintf*) xxx_list='sprintf gconvert gcvt' ;;
+*) xxx_list='gconvert gcvt sprintf' ;;
esac
-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>
+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 "...But $xxx_convert didn't work as I expected."
+ fi
+ 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
-main() { xxx("foo"); }
+: Initialize h_fcntl
+h_fcntl=false
-xxx(va_alist)
-va_dcl
-{
- va_list args;
- char buf[10];
+: Initialize h_sysfile
+h_sysfile=false
- va_start(args);
- exit((unsigned long)vsprintf(buf,"%s",args) > 10L);
+: access call always available on UNIX
+set access d_access
+eval $inlibc
+
+: locate the flags for 'access()'
+case "$d_access" in
+"$define")
+ echo " "
+ $cat >access.c <<'EOCP'
+#include <sys/types.h>
+#ifdef I_FCNTL
+#include <fcntl.h>
+#endif
+#ifdef I_SYS_FILE
+#include <sys/file.h>
+#endif
+#ifdef I_UNISTD
+#include <unistd.h>
+#endif
+main() {
+ exit(R_OK);
}
-EOF
- if $cc $ccflags vprintf.c -o vprintf >/dev/null 2>&1 && ./vprintf; then
- echo "Your vsprintf() returns (int)." >&4
- val2="$undef"
+EOCP
+ : check sys/file.h first, no particular reason here
+ if $test `./findhdr sys/file.h` && \
+ $cc $cppflags -DI_SYS_FILE access.c -o access >/dev/null 2>&1 ; then
+ h_sysfile=true;
+ echo "<sys/file.h> defines the *_OK access constants." >&4
+ elif $test `./findhdr fcntl.h` && \
+ $cc $cppflags -DI_FCNTL access.c -o access >/dev/null 2>&1 ; then
+ h_fcntl=true;
+ echo "<fcntl.h> defines the *_OK access constants." >&4
+ elif $test `./findhdr unistd.h` && \
+ $cc $cppflags -DI_UNISTD access.c -o access >/dev/null 2>&1 ; then
+ echo "<unistd.h> defines the *_OK access constants." >&4
else
- echo "Your vsprintf() returns (char*)." >&4
- val2="$define"
+ echo "I can't find the four *_OK access constants--I'll use mine." >&4
fi
-else
- echo 'vprintf() NOT found.' >&4
+ ;;
+esac
+$rm -f access*
+
+: see if alarm exists
+set alarm d_alarm
+eval $inlibc
+
+: Look for GNU-cc style attribute checking
+echo " "
+echo "Checking whether your compiler can handle __attribute__ ..." >&4
+$cat >attrib.c <<'EOCP'
+#include <stdio.h>
+void croak (char* pat,...) __attribute__((format(printf,1,2),noreturn));
+EOCP
+if $cc $ccflags -c attrib.c >attrib.out 2>&1 ; then
+ if $contains 'warning' attrib.out >/dev/null 2>&1; then
+ echo "Your C compiler doesn't fully support __attribute__."
val="$undef"
- val2="$undef"
-fi
-set d_vprintf
-eval $setvar
-val=$val2
-set d_charvspr
+ else
+ echo "Your C compiler supports __attribute__."
+ val="$define"
+ fi
+else
+ echo "Your C compiler doesn't seem to understand __attribute__ at all."
+ val="$undef"
+fi
+set d_attribut
eval $setvar
+$rm -f attrib*
-: see if chown exists
-set chown d_chown
+: see if bcmp exists
+set bcmp d_bcmp
eval $inlibc
-: see if chroot exists
-set chroot d_chroot
+: see if bcopy exists
+set bcopy d_bcopy
eval $inlibc
-: see if chsize exists
-set chsize d_chsize
+: 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
-: 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;
+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()
{
- const char *foo;
- const spug y;
+ 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);
}
-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
+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
- val="$define"
+ 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
-fi
-set d_crypt
-eval $setvar
-
-: get csh whereabouts
-case "$csh" in
-'csh') val="$undef" ;;
-*) val="$define" ;;
+ ;;
+*) val="$undef";;
esac
-set d_csh
+set d_bsdgetpgrp
eval $setvar
-full_csh=$csh
+$rm -f set set.c
-: see if cuserid exists
-set cuserid d_cuserid
+: see if setpgrp exists
+set setpgrp d_setpgrp
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>
+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
-#ifdef DBL_DIG
-printf("Contains DBL_DIG");
+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(0);
+#else
+ if (setpgrp() != -1)
+ exit(0);
#endif
-EOM
-$cppstdin $cppflags $cppminus < dbl_dig.c >dbl_dig.E 2>/dev/null
-if $contains 'DBL_DIG' dbl_dig.E >/dev/null 2>&1; then
- echo "DBL_DIG found." >&4
- val="$define"
-else
- echo "DBL_DIG NOT found." >&4
- val="$undef"
-fi
-$rm -f dbl_dig.?
-set d_dbl_dig
+ 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 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="a USG one, i.e. you use setpgrp()."
+ else
+ # 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 $xxx" >&4
+ fi
+ ;;
+*) val="$undef";;
+esac
+set d_bsdsetpgrp
eval $setvar
-
-: see if difftime exists
-set difftime d_difftime
+d_bsdpgrp=$d_bsdsetpgrp
+$rm -f set set.c
+: see if bzero exists
+set bzero d_bzero
eval $inlibc
-: see if this is a dirent system
+: check for lengths of integral types
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 " "
+case "$intsize" in
+'')
+ echo "Checking to see how big your integers are..." >&4
+ $cat >intsize.c <<'EOCP'
+#include <stdio.h>
+main()
+{
+ printf("intsize=%d;\n", sizeof(int));
+ printf("longsize=%d;\n", sizeof(long));
+ printf("shortsize=%d;\n", sizeof(short));
+ fflush(stdout);
+ exit(0);
+}
+EOCP
+# 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
- xinc=`./findhdr sys/ndir.h`
+ $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
- echo "<dirent.h> NOT found." >&4
+ ;;
+esac
+$rm -f intsize intsize.[co] intsize.out
+
+: see if signal is declared as pointer to function returning int or void
+echo " "
+xxx=`./findhdr signal.h`
+$test "$xxx" && $cppstdin $cppminus $cppflags < $xxx >$$.tmp 2>/dev/null
+if $contains 'int.*\*[ ]*signal' $$.tmp >/dev/null 2>&1 ; then
+ echo "You have int (*signal())() instead of void." >&4
+ val="$undef"
+elif $contains 'void.*\*[ ]*signal' $$.tmp >/dev/null 2>&1 ; then
+ echo "You have void (*signal())() instead of int." >&4
+ val="$define"
+elif $contains 'extern[ ]*[(\*]*signal' $$.tmp >/dev/null 2>&1 ; then
+ echo "You have int (*signal())() instead of void." >&4
+ val="$undef"
+else
+ case "$d_voidsig" in
+ '')
+ echo "I can't determine whether signal handler returns void or int..." >&4
+ dflt=void
+ rp="What type does your signal handler return?"
+ . ./myread
+ case "$ans" in
+ v*) val="$define";;
+ *) val="$undef";;
+ esac;;
+ "$define")
+ echo "As you already told me, signal handler returns void." >&4;;
+ *)
+ echo "As you already told me, signal handler returns int." >&4;;
+ esac
fi
-set i_dirent
+set d_voidsig
eval $setvar
-
-: Look for type of directory structure.
-echo " "
-$cppstdin $cppflags $cppminus < "$xinc" > try.c
-
-case "$direntrytype" in
-''|' ')
- case "$i_dirent" in
- $define) guess1='struct dirent' ;;
- *) guess1='struct direct' ;;
- esac
- ;;
-*) guess1="$direntrytype"
- ;;
+case "$d_voidsig" in
+"$define") signal_t="void";;
+*) signal_t="int";;
esac
+$rm -f $$.tmp
-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
+: check for ability to cast large floats to 32-bit ints.
+echo " "
+echo 'Checking whether your C compiler can cast large floats to int32.' >&4
+if $test "$intsize" -eq 4; then
+ xxx=int
else
- 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"
+ xxx=long
fi
-$rm -f try.c
+$cat >try.c <<EOCP
+#include <sys/types.h>
+#include <signal.h>
+$signal_t blech() { exit(3); }
+main()
+{
+ $xxx i32;
+ double f;
+ int result = 0;
+ signal(SIGFPE, blech);
+ f = (double) 0x7fffffff;
+ f = 10 * f;
+ i32 = ($xxx) f;
-: 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"
+ if (i32 != ($xxx) f)
+ result |= 1;
+ exit(result);
+}
+EOCP
+if $cc -o try $ccflags try.c >/dev/null 2>&1; then
+ ./try
+ yyy=$?
else
- echo "Your directory entry does not know about the d_namlen field." >&4
- val="$undef"
+ echo "(I can't seem to compile the test program--assuming it can't)"
+ yyy=1
fi
-set d_dirnamlen
+case "$yyy" in
+0) val="$define"
+ echo "Yup, it can."
+ ;;
+*) val="$undef"
+ echo "Nope, it can't."
+ ;;
+esac
+set d_casti32
eval $setvar
-$rm -f try.c
-
-: see if dlerror exists
-xxx_runnm="$runnm"
-runnm=false
-set dlerror d_dlerror
-eval $inlibc
-runnm="$xxx_runnm"
+$rm -f try try.*
-: see if dld is available
-set dld.h i_dld
-eval $inhdr
+: check for ability to cast negative floats to unsigned
+echo " "
+echo 'Checking whether your C compiler can cast negative float to unsigned.' >&4
+$cat >try.c <<EOCP
+#include <sys/types.h>
+#include <signal.h>
+$signal_t blech() { exit(7); }
+$signal_t blech_in_list() { exit(4); }
+unsigned long dummy_long(p) unsigned long p; { return p; }
+unsigned int dummy_int(p) unsigned int p; { return p; }
+unsigned short dummy_short(p) unsigned short p; { return p; }
+main()
+{
+ double f = -123.;
+ unsigned long along;
+ unsigned int aint;
+ unsigned short ashort;
+ int result = 0;
-: see if dlopen exists
-xxx_runnm="$runnm"
-runnm=false
-set dlopen d_dlopen
-eval $inlibc
-runnm="$xxx_runnm"
+ signal(SIGFPE, blech);
+ along = (unsigned long)f;
+ aint = (unsigned int)f;
+ ashort = (unsigned short)f;
+ if (along != (unsigned long)-123)
+ result |= 1;
+ if (aint != (unsigned int)-123)
+ result |= 1;
+ if (ashort != (unsigned short)-123)
+ result |= 1;
+ f = (double)0x40000000;
+ f = f + f;
+ along = 0;
+ along = (unsigned long)f;
+ if (along != 0x80000000)
+ result |= 2;
+ f -= 1.;
+ along = 0;
+ along = (unsigned long)f;
+ if (along != 0x7fffffff)
+ result |= 1;
+ f += 2.;
+ along = 0;
+ along = (unsigned long)f;
+ if (along != 0x80000001)
+ result |= 2;
+ if (result)
+ exit(result);
+ signal(SIGFPE, blech_in_list);
+ f = 123.;
+ along = dummy_long((unsigned long)f);
+ aint = dummy_int((unsigned int)f);
+ ashort = dummy_short((unsigned short)f);
+ if (along != (unsigned long)123)
+ result |= 4;
+ if (aint != (unsigned int)123)
+ result |= 4;
+ if (ashort != (unsigned short)123)
+ result |= 4;
+ exit(result);
-: determine which dynamic loading, if any, to compile in
-echo " "
-dldir="ext/DynaLoader"
-case "$usedl" in
-$define|y|true)
- dflt='y'
- usedl="$define"
- ;;
-$undef|n|false)
- dflt='n'
- usedl="$undef"
+}
+EOCP
+if $cc -o try $ccflags try.c >/dev/null 2>&1; then
+ ./try
+ castflags=$?
+else
+ echo "(I can't seem to compile the test program--assuming it can't)"
+ castflags=7
+fi
+case "$castflags" in
+0) val="$define"
+ echo "Yup, it can."
;;
-*)
- dflt='n'
- case "$d_dlopen" in
- $define) dflt='y' ;;
- esac
- case "$i_dld" in
- $define) dflt='y' ;;
- esac
- : Does a dl_xxx.xs file exist for this operating system
- $test -f ../$dldir/dl_${osname}.xs && dflt='y'
+*) val="$undef"
+ echo "Nope, it can't."
;;
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".
+set d_castneg
+eval $setvar
+$rm -f try.*
-EOM
- case "$cccdlflags" in
- '') case "$gccversion" in
- '') case "$osname" in
- hpux) dflt='+z' ;;
- next) dflt='none' ;;
- solaris|svr4*|esix*) dflt='-Kpic' ;;
- sunos) dflt='-pic' ;;
- *) dflt='none' ;;
- esac ;;
- *) dflt='-fpic' ;;
- esac ;;
- *) dflt="$cccdlflags" ;;
- esac
- rp="Any special flags to pass to $cc -c to compile shared library modules?"
- . ./myread
- case "$ans" in
- none) cccdlflags=' ' ;;
- *) cccdlflags="$ans" ;;
- esac
+: see if 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>
- cat << EOM
+main() { xxx("foo"); }
-Some systems use ld to create libraries that can be dynamically loaded,
-while other systems (such as those using ELF) use $cc.
+xxx(va_alist)
+va_dcl
+{
+ va_list args;
+ char buf[10];
-EOM
- case "$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 */
+ va_start(args);
+ exit((unsigned long)vsprintf(buf,"%s",args) > 10L);
}
-EOM
- if $cc $ccflags try.c >/dev/null 2>&1 && ./a.out; then
- cat <<EOM
-You appear to have ELF support. I'll use $cc to build dynamic libraries.
-EOM
- dflt="$cc"
- else
- echo "I'll use ld to build dynamic libraries."
- dflt='ld'
- fi
- rm -f try.c a.out
- ;;
- *) dflt="$ld"
- ;;
- esac
+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 $setvar
- rp="What command should be used to create dynamic libraries?"
- . ./myread
- ld="$ans"
+: see if chown exists
+set chown d_chown
+eval $inlibc
- cat << EOM
+: see if chroot exists
+set chroot d_chroot
+eval $inlibc
-Some systems may require passing special flags to $ld to create a
-library that can be dynamically loaded. If your ld flags include
--L/other/path options to locate libraries outside your loader's normal
-search path, you may need to specify those -L options here as well. To
-use no flags, say "none".
+: see if chsize exists
+set chsize d_chsize
+eval $inlibc
-EOM
- case "$lddlflags" in
- '') case "$osname" in
- hpux) dflt='-b' ;;
- linux) dflt='-shared' ;;
- next) dflt='none' ;;
- solaris) dflt='-G' ;;
- sunos) dflt='-assert nodefinitions' ;;
- svr4*|esix*) dflt="-G $ldflags" ;;
- *) dflt='none' ;;
- esac
- ;;
- *) dflt="$lddlflags" ;;
- esac
+: 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
-: Try to guess additional flags to pick up local libraries.
-for thisflag in $ldflags; do
- case "$thisflag" in
- -L*)
- case " $dflt " in
- *" $thisflag "*) ;;
- *) dflt="$dflt $thisflag" ;;
- esac
- ;;
- esac
-done
+: see if 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$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 $setvar
-case "$dflt" in
-'') dflt='none' ;;
+: get csh whereabouts
+case "$csh" in
+'csh') val="$undef" ;;
+*) val="$define" ;;
+esac
+set d_csh
+eval $setvar
+: Respect a hint or command line value for full_csh.
+case "$full_csh" in
+'') full_csh=$csh ;;
esac
- rp="Any special flags to pass to $ld to create a dynamically loaded library?"
- . ./myread
- case "$ans" in
- none) lddlflags=' ' ;;
- *) lddlflags="$ans" ;;
- esac
+: see if cuserid exists
+set cuserid d_cuserid
+eval $inlibc
- cat <<EOM
+: see if this is a limits.h system
+set limits.h i_limits
+eval $inhdr
-Some systems may require passing special flags to $cc to indicate that
-the resulting executable will use dynamic linking. To use no flags,
-say "none".
+: see if 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
- 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
-
-val="$undef"
-case "$osname" in
-esix*|svr4*)
- case "$usedl" in
- $define)
- $cat <<EOM
+$cppstdin $cppflags $cppminus < dbl_dig.c >dbl_dig.E 2>/dev/null
+if $contains 'DBL_DIG' dbl_dig.E >/dev/null 2>&1; then
+ echo "DBL_DIG found." >&4
+ val="$define"
+else
+ echo "DBL_DIG NOT found." >&4
+ val="$undef"
+fi
+$rm -f dbl_dig.?
+set d_dbl_dig
+eval $setvar
-System V Release 4 systems can support dynamic loading
-only if libperl is created as a shared library.
+: see if difftime exists
+set difftime d_difftime
+eval $inlibc
-EOM
+: see if this is a dirent system
+echo " "
+if xinc=`./findhdr dirent.h`; $test "$xinc"; then
val="$define"
- ;;
- esac ;;
-esac
-set d_shrplib; eval $setvar
-case "$d_shrplib" in
-$define)
- cat <<EOM >&4
+ echo "<dirent.h> found." >&4
+else
+ val="$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 $setvar
-Be sure to add the perl source directory to the LD_LIBRARY_PATH
-environment variable before running make:
- LD_LIBRARY_PATH=`cd ..;pwd`; export LD_LIBRARY_PATH
-or
- setenv LD_LIBRARY_PATH `cd ..;pwd`
+: Look for type of directory structure.
+echo " "
+$cppstdin $cppflags $cppminus < "$xinc" > try.c
-EOM
-;;
-esac
-case "$d_shrplib" in
-$define)
- case "$shrpdir" in
- "") dflt="$archlib/CORE";;
- *) dflt="$shrpdir";;
+case "$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 $inhdr
#endif
handle = dlopen("./dyna.$dlext", mode) ;
if (handle == NULL) {
- printf ("1\n") ;
- exit(0);
+ 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") ;
- exit(0);
- }
- printf ("3\n") ;
+ /* 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") ;
- exit(0);
+ 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 &&
- $ld $lddlflags -o dyna.$dlext dyna.o > /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 $xxx in
;;
esac
-$rm -f fred fred.? dyna.$dlext dyna.?
+$rm -f fred fred.? dyna.$dlext dyna.? tmp-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
-
-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
- 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
-
: see if dup2 exists
set dup2 d_dup2
eval $inlibc
#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 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, $o_nonblock))
+ if (-1 == fcntl(pd[0], F_SETFL, MY_O_NONBLOCK))
exit(1);
signal(SIGALRM, blech);
alarm(5);
exit(0); /* Bye bye, thank you for playing! */
}
EOCP
- if $cc $ccflags $ldflags try.c -o try >/dev/null; 2>&1; then
- echo "./try >try.out 2>try.ret 3>try.err || exit 4" >mtry
+ 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 $? in
*) echo "However, your read() returns '$status' on EOF??";;
esac
val="$define"
- if test "$status" -eq "$rd_nodata"; then
+ if test "$status" = "$rd_nodata"; then
echo "WARNING: you can't distinguish between EOF and no data!"
val="$undef"
fi
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 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
eval $inhdr
val="$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 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 $ccflags $ldflags foo.c -o safebcpy $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--) {
exit(0);
}
EOCP
- if $cc $ccflags $ldflags foo.c -o safemcpy $libs >/dev/null 2>&1; then
- if ./safemcpy 2>/dev/null; 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
+$rm -f foo.* safemcpy core
+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 "It can't, sorry."
+ 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
-$rm -f foo.* safemcpy core
-set d_safemcpy
+$rm -f foo.* sanemcmp core
+set d_sanemcmp
eval $setvar
: see if select exists
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
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=''
: see whether socket exists
: 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
#include <stdio.h>
#define FILE_ptr(fp) $stdio_ptr
#define FILE_cnt(fp) $stdio_cnt
-main() {
+main() {
FILE *fp = fopen("try.c", "r");
char c = getc(fp);
if (
set d_stdio_cnt_lval
eval $setvar
+
: see if _base is also standard
val="$undef"
case "$d_stdstdio" in
#include <stdio.h>
#define FILE_base(fp) $stdio_base
#define FILE_bufsiz(fp) $stdio_bufsiz
-main() {
+main() {
FILE *fp = fopen("try.c", "r");
char c = getc(fp);
if (
EOP
if $cc $ccflags $ldflags -o try try.c $libs > /dev/null 2>&1; then
if ./try; then
- echo "Even its _base field acts std."
+ echo "And its _base field acts std."
val="$define"
else
echo "But its _base field isn't std."
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 $inlibc
dflt=`./try`
else
dflt='8'
- echo"(I can't seem to compile the test program...)"
+ echo "(I can't seem to compile the test program...)"
fi
;;
*) dflt="$alignbytes"
eval $inhdr
case "$i_db" in
+$define)
+ : Check db version. We can not use version 2.
+ echo " "
+ echo "Checking Berkeley DB version ..." >&4
+ $cat >try.c <<EOCP
+#$d_const HASCONST
+#ifndef HASCONST
+#define const
+#endif
+#include <sys/types.h>
+#include <stdio.h>
+#include <db.h>
+main()
+{
+#ifdef DB_VERSION_MAJOR /* DB version >= 2: not yet. */
+ printf("You have Berkeley DB Version %d.%d\n",
+ DB_VERSION_MAJOR, DB_VERSION_MINOR);
+ printf("Perl currently only supports up to version 1.86.\n");
+ exit(2);
+#else
+#if defined(_DB_H_) && defined(BTREEMAGIC) && defined(HASHMAGIC)
+ exit(0); /* DB version < 2: the coast is clear. */
+#else
+ exit(1); /* <db.h> not Berkeley DB? */
+#endif
+#endif
+}
+EOCP
+ if $cc $optimize $ccflags $ldflags -o try try.c $libs && ./try; then
+ echo 'Looks OK. (Perl supports up to version 1.86).' >&4
+ else
+ echo "I can't use your Berkeley DB. I'll disable it." >&4
+ i_db=$undef
+ case " $libs " in
+ *"-ldb "*)
+ : Remove db from list of libraries to use
+ echo "Removing unusable -ldb from library list" >&4
+ set `echo X $libs | $sed -e 's/-ldb / /' -e 's/-ldb$//'`
+ shift
+ libs="$*"
+ echo "libs = $libs" >&4
+ ;;
+ esac
+ fi
+ $rm -f try.*
+ ;;
+esac
+
+case "$i_db" in
define)
: Check the return type needed for hash
echo " "
db_hashtype='u_int32_t'
fi
else
- echo "I can't seem to compile the test program." >&4
- db_hashtype=int
+ : XXX Maybe we should just give up here.
+ db_hashtype=u_int32_t
+ echo "Help: I can't seem to compile the db test program." >&4
+ echo "Something's wrong, but I'll assume you use $db_hashtype." >&4
fi
$rm -f try.*
echo "Your version of Berkeley DB uses $db_hashtype for hash."
;;
-*) db_hashtype=int
+*) db_hashtype=u_int32_t
;;
esac
db_prefixtype='size_t'
fi
else
- echo "I can't seem to compile the test program." >&4
- db_prefixtype='int'
+ db_prefixtype='size_t'
+ : XXX Maybe we should just give up here.
+ echo "Help: I can't seem to compile the db test program." >&4
+ echo "Something's wrong, but I'll assume you use $db_prefixtype." >&4
fi
$rm -f try.*
echo "Your version of Berkeley DB uses $db_prefixtype for prefix."
;;
-*) db_prefixtype='int'
+*) db_prefixtype='size_t'
;;
esac
'')
$cat >try.c <<'EOCP'
#if TRY & 1
-void main() {
+void sub() {
#else
-main() {
+sub() {
#endif
extern void moo(); /* function returning void */
void (*goo)(); /* ptr to func returning void */
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 $cc -c -DTRY=5 try.c >/dev/null 2>&1 ; then
- voidflags=5
- echo "And it supports 4 but has not heard about 8."
- else
- echo "However it supports 8 but not 4."
- fi
- fi
- fi
- else
- echo "There is no support at all for void."
- voidflags=0
- fi
- fi
-esac
-: Only prompt user if voidflags is not 15. If voidflags is 15, then
-: we presume all is well.
-case "$voidflags" in
-15) ;;
-*) dflt="$voidflags";
- rp="Your void support flags add up to what?"
- . ./myread
- voidflags="$ans"
- ;;
-esac
-$rm -f try.* .out
-
-: 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 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
-: If we are using the old config.sh, known_extensions may contain
-: old or inaccurate or duplicate values.
-known_extensions=''
-: We do not use find because it might not be available.
-: We do not just use MANIFEST because the user may have dropped
-: some additional extensions into the source tree and expect them
-: to be built.
-for xxx in * ; do
- if $test -f $xxx/$xxx.xs; then
- known_extensions="$known_extensions $xxx"
+#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
- if $test -d $xxx; then
- cd $xxx
- for yyy in * ; do
- if $test -f $yyy/$yyy.xs; then
- known_extensions="$known_extensions $xxx/$yyy"
+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
- done
- cd ..
+ 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
-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 $xxx" ;;
- esac
- ;;
- Socket) case "$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
- ;;
+esac
+: Only prompt user if support does not match the level we want
+case "$voidflags" in
+"$defvoidused") ;;
*)
- $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 "$dflt" in
- '') dflt=none;;
- esac
- rp="What extensions do you wish to include?"
+ dflt="$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
set getgroups d_getgrps
eval $inlibc
-: Find type of 2nd arg to getgroups
+: see if setgroups exists
+set setgroups d_setgrps
+eval $inlibc
+
+: Find type of 2nd arg to 'getgroups()' and 'setgroups()'
echo " "
-case "$d_getgrps" in
-'define')
+case "$d_getgrps$d_setgrps" in
+*define*)
case "$groupstype" in
'') dflt="$gidtype" ;;
*) dflt="$groupstype" ;;
esac
$cat <<EOM
-What is the type of the second argument to getgroups()? Usually this
-is the same as group ids, $gidtype, but not always.
+What is the type of the second argument to getgroups() and setgroups()?
+Usually this is the same as group ids, $gidtype, but not always.
EOM
- rp='What type is the second argument to getgroups()?'
+ rp='What type is the second argument to getgroups() and setgroups()?'
. ./myread
groupstype="$ans"
;;
. ./myread
lseektype="$ans"
+echo " "
+case "$make" in
+'')
+ 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 $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
+ $rm -f testmake.mak
+ ;;
+esac
+case "$make_set_make" in
+'#') echo "Yup, it does." >&4 ;;
+*) echo "Nope, it doesn't." >&4 ;;
+esac
+
: see what type is used for mode_t
set mode_t modetype int stdio.h sys/types.h
eval $typedef
. ./myread
modetype="$ans"
-: set the base revision
-baserev=5.0
-
-: get the patchlevel
+: locate the preferred pager for this system
+case "$pager" in
+'')
+ dflt=''
+ case "$pg" in
+ /*) dflt=$pg;;
+ esac
+ case "$more" in
+ /*) dflt=$more;;
+ esac
+ case "$less" in
+ /*) dflt=$less;;
+ esac
+ case "$dflt" in
+ '') dflt=/usr/ucb/more;;
+ esac
+ ;;
+*) dflt="$pager";;
+esac
echo " "
-echo "Getting the current patchlevel..." >&4
-if $test -r ../patchlevel.h;then
- patchlevel=`awk '/PATCHLEVEL/ {print $3}' < ../patchlevel.h`
-else
- patchlevel=0
-fi
-echo "(You have $package $baserev PL$patchlevel.)"
+fn=f/
+rp='What pager is used on your system?'
+. ./getfile
+pager="$ans"
: Cruising for prototypes
echo " "
case "$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 $libs > /dev/null 2>&1 &&
./foobar >/dev/null 2>&1; then
echo "a table of contents needs to be added with 'ar ts'."
orderlib=false
}
EOCP
flags=''
-s_timezone=''
+for s_timezone in '-DS_TIMEZONE' ''; do
sysselect=''
for s_timeval in '-DS_TIMEVAL' ''; do
for i_systimek in '' '-DSYSTIMEKERNEL'; do
done
done
done
+done
timeincl=''
echo " "
case "$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;
: 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' |
'') xxxfiles=`./findhdr signal.h` ;;
esac
xxx=`awk '
-$1 ~ /^#define$/ && $2 ~ /^SIG[A-Z0-9]*$/ && $2 !~ /SIGARRAYSIZE/ {
+$1 ~ /^#define$/ && $2 ~ /^SIG[A-Z0-9]*$/ && $2 !~ /SIGARRAYSIZE/ && $3 !~ /void/ {
print substr($2, 4, 20)
}
-$1 == "#" && $2 ~ /^define$/ && $3 ~ /^SIG[A-Z0-9]*$/ && $3 !~ /SIGARRAYSIZE/ {
+$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 TSTP TTIN TTOU URG USR1 USR2 USR3 USR4 VTALRM"
xxx="$xxx WINCH WIND WINDOW XCPU XFSZ"
: generate a few handy files for later
-echo $xxx | $tr ' ' '\012' | $awk '
-BEGIN {
- printf "#include <signal.h>\n";
- printf "main() {\n";
-}
+$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 $1; printf " %%d\\n\",SIG";
END {
printf "}\n";
}
-' >signal.c
-$cat >signal.cmd <<EOS
+' >>signal.c
+$cat >signal.awk <<'EOP'
+BEGIN { ndups = 0 }
+$1 ~ /^NSIG$/ { nsig = $2 }
+($1 !~ /^NSIG$/) && (NF == 2) {
+ if ($2 > maxsig) { maxsig = $2 }
+ if (sig_name[$2]) {
+ dup_name[ndups] = $1
+ dup_num[ndups] = $2
+ ndups++
+ }
+ else {
+ sig_name[$2] = $1
+ sig_num[$2] = $2
+ }
+
+}
+END {
+ if (nsig == 0) { nsig = maxsig + 1 }
+ for (n = 1; n < nsig; n++) {
+ if (sig_name[n]) {
+ printf("%s %d\n", sig_name[n], sig_num[n])
+ }
+ else {
+ printf("NUM%d %d\n", n, n)
+ }
+ }
+ for (n = 0; n < ndups; n++) {
+ printf("%s %d\n", dup_name[n], dup_num[n])
+ }
+}
+EOP
+$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 >signal.lst
+ ./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
fi
$rm -f signal.c signal signal.o
EOS
-chmod a+x signal.cmd
-$eunicefix signal.cmd
+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..." >&4
- ./signal.cmd
+ 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 $sig_num"
;;
esac
echo "The following signals are available:"
}
printf "\n"
}'
-
-: generate list of signal numbers
-echo " "
-case "$sig_num" in
-'')
- echo "Generating a list of signal numbers..." >&4
- ./signal.cmd
- sig_num=`$awk '{printf "%d ", $2}' signal.lst`
- sig_num="0 $sig_num"
- ;;
-esac
-case "$sig_max" in
-'') sig_max=`$tail -1 signal.lst | $awk '{print $2}'` ;;
-esac
-echo "The maximum signal number defined is $sig_max."
+$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 " "
. ./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
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
}
EOP
$cat > varargs <<EOP
+$startsh
if $cc -c $ccflags -D\$1 varargs.c >/dev/null 2>&1; then
echo "true"
else
set sys/param.h i_sysparam
eval $inhdr
+: 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
set sys/types.h i_systypes
eval $inhdr
-: see if this is a unistd.h system
-set unistd.h i_unistd
+: 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 " "
$spitshell <<EOT >config.sh
$startsh
#
-# This file was produced by running the Configure script. It holds all the
-# definitions figured out by Configure. Should you modify one of these values,
-# do not forget to propagate your changes by running "Configure -der". You may
-# instead choose to run each of the .SH files by yourself, or "Configure -S".
+# This file was produced by running the Configure script. It holds all
+# the definitions figured out by Configure. Should you modify any of
+# these values, do not forget to propagate your changes by running
+# "Configure -S"; or, equivalently, you may run each .SH file yourself.
#
# Configuration time: $cf_time
afs='$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='$byacc'
d_attribut='$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_fork='$d_fork'
d_fpathconf='$d_fpathconf'
d_fsetpos='$d_fsetpos'
+d_ftime='$d_ftime'
d_getgrps='$d_getgrps'
+d_setgrps='$d_setgrps'
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_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_msgsnd='$d_msgsnd'
d_mymalloc='$d_mymalloc'
d_nice='$d_nice'
+d_oldarchlib='$d_oldarchlib'
d_oldsock='$d_oldsock'
d_open3='$d_open3'
d_pathconf='$d_pathconf'
d_rmdir='$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='$d_shrplib'
-d_sitelib='$d_sitelib'
+d_sigaction='$d_sigaction'
+d_sigsetjmp='$d_sigsetjmp'
d_socket='$d_socket'
d_sockpair='$d_sockpair'
d_statblks='$d_statblks'
d_strctcpy='$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'
egrep='$egrep'
emacs='$emacs'
eunicefix='$eunicefix'
+exe_ext='$exe_ext'
expr='$expr'
extensions='$extensions'
find='$find'
+firstmakefile='$firstmakefile'
flex='$flex'
fpostype='$fpostype'
freetype='$freetype'
grep='$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='$i_memory'
i_niin='$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='$i_sysstat'
i_systimek='$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='$i_vfork'
installman3dir='$installman3dir'
installprivlib='$installprivlib'
installscript='$installscript'
+installsitearch='$installsitearch'
installsitelib='$installsitelib'
intsize='$intsize'
known_extensions='$known_extensions'
lddlflags='$lddlflags'
ldflags='$ldflags'
less='$less'
+lib_ext='$lib_ext'
libc='$libc'
+libperl='$libperl'
libpth='$libpth'
libs='$libs'
libswanted='$libswanted'
lns='$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='$malloctype'
myuname='$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='$plibpth'
shar='$shar'
sharpbang='$sharpbang'
shmattype='$shmattype'
-shrpdir='$shrpdir'
+shortsize='$shortsize'
+shrpenv='$shrpenv'
shsharp='$shsharp'
-sig_max='$sig_max'
sig_name='$sig_name'
sig_num='$sig_num'
signal_t='$signal_t'
+sitearch='$sitearch'
+sitearchexp='$sitearchexp'
sitelib='$sitelib'
sitelibexp='$sitelibexp'
sizetype='$sizetype'
spitshell='$spitshell'
split='$split'
ssizetype='$ssizetype'
+startperl='$startperl'
startsh='$startsh'
static_ext='$static_ext'
stdchar='$stdchar'
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
https://perl5.git.perl.org / perl5.git / blobdiff