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|
# hints/openbsd.sh
#
# hints file for OpenBSD; Todd Miller <millert@openbsd.org>
# Edited to allow Configure command-line overrides by
# Andy Dougherty <doughera@lafayette.edu>
#
# To build with distribution paths, use:
# ./Configure -des -Dopenbsd_distribution=defined
#
# OpenBSD has a better malloc than perl...
test "$usemymalloc" || usemymalloc='n'
# malloc wrap works
case "$usemallocwrap" in
'') usemallocwrap='define' ;;
esac
# Currently, vfork(2) is not a real win over fork(2).
usevfork="$undef"
# In OpenBSD < 3.3, the setre?[ug]id() are emulated using the
# _POSIX_SAVED_IDS functionality which does not have the same
# semantics as 4.3BSD. Starting with OpenBSD 3.3, the original
# semantics have been restored.
case "$osvers" in
[0-2].*|3.[0-2])
d_setregid=$undef
d_setreuid=$undef
d_setrgid=$undef
d_setruid=$undef
esac
#
# Not all platforms support dynamic loading...
# For the case of "$openbsd_distribution", the hints file
# needs to know whether we are using dynamic loading so that
# it can set the libperl name appropriately.
# Allow command line overrides.
#
ARCH=`arch | sed 's/^OpenBSD.//'`
case "${ARCH}-${osvers}" in
alpha-2.[0-8]|mips-2.[0-8]|powerpc-2.[0-7]|m88k-*|hppa-*|vax-*)
test -z "$usedl" && usedl=$undef
;;
*)
test -z "$usedl" && usedl=$define
# We use -fPIC here because -fpic is *NOT* enough for some of the
# extensions like Tk on some OpenBSD platforms (ie: sparc)
cccdlflags="-DPIC -fPIC $cccdlflags"
case "$osvers" in
[01].*|2.[0-7]|2.[0-7].*)
lddlflags="-Bshareable $lddlflags"
;;
2.[8-9]|3.0)
ld=${cc:-cc}
lddlflags="-shared -fPIC $lddlflags"
;;
*) # from 3.1 onwards
ld=${cc:-cc}
lddlflags="-shared -fPIC $lddlflags"
libswanted=`echo $libswanted | sed 's/ dl / /'`
;;
esac
# We need to force ld to export symbols on ELF platforms.
# Without this, dlopen() is crippled.
ELF=`${cc:-cc} -dM -E - </dev/null | grep __ELF__`
test -n "$ELF" && ldflags="-Wl,-E $ldflags"
;;
esac
#
# Tweaks for various versions of OpenBSD
#
case "$osvers" in
2.5)
# OpenBSD 2.5 has broken odbm support
i_dbm=$undef
;;
esac
# OpenBSD doesn't need libcrypt but many folks keep a stub lib
# around for old NetBSD binaries.
libswanted=`echo $libswanted | sed 's/ crypt / /'`
# Configure can't figure this out non-interactively
d_suidsafe=$define
# cc is gcc so we can do better than -O
# Allow a command-line override, such as -Doptimize=-g
case ${ARCH} in
m88k)
optimize='-O0'
;;
hppa)
optimize='-O0'
;;
*)
test "$optimize" || optimize='-O2'
;;
esac
# This script UU/usethreads.cbu will get 'called-back' by Configure
# after it has prompted the user for whether to use threads.
cat > UU/usethreads.cbu <<'EOCBU'
case "$usethreads" in
$define|true|[yY]*)
# any openbsd version dependencies with pthreads?
ccflags="-pthread $ccflags"
ldflags="-pthread $ldflags"
case "$osvers" in
[0-2].*|3.[0-2])
# Change from -lc to -lc_r
set `echo "X $libswanted " | sed 's/ c / c_r /'`
shift
libswanted="$*"
;;
esac
case "$osvers" in
[012].*|3.[0-6])
# Broken at least up to OpenBSD 3.6, we'll see about 3.7
d_getservbyname_r=$undef ;;
esac
esac
EOCBU
# This script UU/use64bitint.cbu will get 'called-back' by Configure
# after it has prompted the user for whether to use 64-bitness.
cat > UU/use64bitint.cbu <<'EOCBU'
case "$use64bitint" in
$define|true|[yY]*)
echo " "
echo "Checking if your C library has broken 64-bit functions..." >&4
$cat >check.c <<EOCP
#include <stdio.h>
typedef $uquadtype myULL;
int main (void)
{
struct {
double d;
myULL u;
} *p, test[] = {
{4294967303.15, 4294967303ULL},
{4294967294.2, 4294967294ULL},
{4294967295.7, 4294967295ULL},
{0.0, 0ULL}
};
for (p = test; p->u; p++) {
myULL x = (myULL)p->d;
if (x != p->u) {
printf("buggy\n");
return 0;
}
}
printf("ok\n");
return 0;
}
EOCP
set check
if eval $compile_ok; then
libcquad=`./check`
echo "Your C library's 64-bit functions are $libcquad."
else
echo "(I can't seem to compile the test program.)"
echo "Assuming that your C library's 64-bit functions are ok."
libcquad="ok"
fi
$rm -f check.c check
case "$libcquad" in
buggy*)
cat >&4 <<EOM
*** You have a C library with broken 64-bit functions.
*** 64-bit support does not work reliably in this configuration.
*** Please rerun Configure without -Duse64bitint and/or -Dusemorebits.
*** Cannot continue, aborting.
EOM
exit 1
;;
esac
esac
EOCBU
# When building in the OpenBSD tree we use different paths
# This is only part of the story, the rest comes from config.over
case "$openbsd_distribution" in
''|$undef|false) ;;
*)
# We put things in /usr, not /usr/local
prefix='/usr'
prefixexp='/usr'
sysman='/usr/share/man/man1'
libpth='/usr/lib'
glibpth='/usr/lib'
# Local things, however, do go in /usr/local
siteprefix='/usr/local'
siteprefixexp='/usr/local'
# Ports installs non-std libs in /usr/local/lib so look there too
locincpth='/usr/local/include'
loclibpth='/usr/local/lib'
# Link perl with shared libperl
if [ "$usedl" = "$define" -a -r shlib_version ]; then
useshrplib=true
libperl=`. ./shlib_version; echo libperl.so.${major}.${minor}`
fi
;;
esac
# end
|
