extra code in pp_concat, Take 2
[p5sagit/p5-mst-13.2.git] / hints / openbsd.sh
CommitLineData
43051805 1# hints/openbsd.sh
2#
3# hints file for OpenBSD; Todd Miller <millert@openbsd.org>
4# Edited to allow Configure command-line overrides by
1973dd96 5# Andy Dougherty <doughera@lafayette.edu>
43051805 6#
c347f277 7# To build with distribution paths, use:
48827ca2 8# ./Configure -des -Dopenbsd_distribution=defined
c347f277 9#
43051805 10
11# OpenBSD has a better malloc than perl...
12test "$usemymalloc" || usemymalloc='n'
13
da0b61dd 14# malloc wrap works
15case "$usemallocwrap" in
16'') usemallocwrap='define' ;;
17esac
18
35356583 19# Currently, vfork(2) is not a real win over fork(2).
20usevfork="$undef"
43051805 21
35356583 22# In OpenBSD < 3.3, the setre?[ug]id() are emulated using the
23# _POSIX_SAVED_IDS functionality which does not have the same
24# semantics as 4.3BSD. Starting with OpenBSD 3.3, the original
25# semantics have been restored.
26case "$osvers" in
27[0-2].*|3.[0-2])
28 d_setregid=$undef
29 d_setreuid=$undef
30 d_setrgid=$undef
31 d_setruid=$undef
32esac
43051805 33
34#
48827ca2 35# Not all platforms support dynamic loading...
e9c1fd70 36# For the case of "$openbsd_distribution", the hints file
37# needs to know whether we are using dynamic loading so that
38# it can set the libperl name appropriately.
39# Allow command line overrides.
43051805 40#
5c75dbfa 41ARCH=`arch | sed 's/^OpenBSD.//'`
42case "${ARCH}-${osvers}" in
35356583 43alpha-2.[0-8]|mips-2.[0-8]|powerpc-2.[0-7]|m88k-*|hppa-*|vax-*)
e9c1fd70 44 test -z "$usedl" && usedl=$undef
43051805 45 ;;
46*)
e9c1fd70 47 test -z "$usedl" && usedl=$define
5c75dbfa 48 # We use -fPIC here because -fpic is *NOT* enough for some of the
43051805 49 # extensions like Tk on some OpenBSD platforms (ie: sparc)
50 cccdlflags="-DPIC -fPIC $cccdlflags"
154d43cb 51 case "$osvers" in
52 [01].*|2.[0-7]|2.[0-7].*)
53 lddlflags="-Bshareable $lddlflags"
54 ;;
5c75dbfa 55 2.[8-9]|3.0)
154d43cb 56 ld=${cc:-cc}
eb9cd59d 57 lddlflags="-shared -fPIC $lddlflags"
154d43cb 58 ;;
5c75dbfa 59 *) # from 3.1 onwards
60 ld=${cc:-cc}
61 lddlflags="-shared -fPIC $lddlflags"
62 libswanted=`echo $libswanted | sed 's/ dl / /'`
63 ;;
154d43cb 64 esac
29b55857 65
66 # We need to force ld to export symbols on ELF platforms.
67 # Without this, dlopen() is crippled.
68 ELF=`${cc:-cc} -dM -E - </dev/null | grep __ELF__`
69 test -n "$ELF" && ldflags="-Wl,-E $ldflags"
43051805 70 ;;
71esac
72
1528c3db 73#
74# Tweaks for various versions of OpenBSD
75#
76case "$osvers" in
772.5)
78 # OpenBSD 2.5 has broken odbm support
79 i_dbm=$undef
80 ;;
81esac
82
43051805 83# OpenBSD doesn't need libcrypt but many folks keep a stub lib
84# around for old NetBSD binaries.
85libswanted=`echo $libswanted | sed 's/ crypt / /'`
86
43051805 87# Configure can't figure this out non-interactively
1528c3db 88d_suidsafe=$define
43051805 89
90# cc is gcc so we can do better than -O
91# Allow a command-line override, such as -Doptimize=-g
5c75dbfa 92case ${ARCH} in
1bd427d5 93m88k)
94 optimize='-O0'
95 ;;
35356583 96hppa)
97 optimize='-O0'
98 ;;
1bd427d5 99*)
100 test "$optimize" || optimize='-O2'
101 ;;
102esac
43051805 103
619ffc2b 104# This script UU/usethreads.cbu will get 'called-back' by Configure
105# after it has prompted the user for whether to use threads.
106cat > UU/usethreads.cbu <<'EOCBU'
107case "$usethreads" in
108$define|true|[yY]*)
109 # any openbsd version dependencies with pthreads?
34163b21 110 ccflags="-pthread $ccflags"
111 ldflags="-pthread $ldflags"
1ac0c030 112 case "$osvers" in
113 [0-2].*|3.[0-2])
114 # Change from -lc to -lc_r
115 set `echo "X $libswanted " | sed 's/ c / c_r /'`
116 shift
117 libswanted="$*"
118 ;;
119 esac
36e43f01 120 case "$osvers" in
d767353b 121 [012].*|3.[0-6])
122 # Broken at least up to OpenBSD 3.6, we'll see about 3.7
36e43f01 123 d_getservbyname_r=$undef ;;
124 esac
619ffc2b 125esac
126EOCBU
127
cde16453 128# This script UU/use64bitint.cbu will get 'called-back' by Configure
129# after it has prompted the user for whether to use 64-bitness.
130cat > UU/use64bitint.cbu <<'EOCBU'
131case "$use64bitint" in
132$define|true|[yY]*)
133 echo " "
134 echo "Checking if your C library has broken 64-bit functions..." >&4
135 $cat >check.c <<EOCP
136#include <stdio.h>
013ad2b3 137typedef $uquadtype myULL;
cde16453 138int main (void)
139{
140 struct {
141 double d;
142 myULL u;
143 } *p, test[] = {
144 {4294967303.15, 4294967303ULL},
145 {4294967294.2, 4294967294ULL},
146 {4294967295.7, 4294967295ULL},
147 {0.0, 0ULL}
148 };
149 for (p = test; p->u; p++) {
150 myULL x = (myULL)p->d;
151 if (x != p->u) {
152 printf("buggy\n");
153 return 0;
154 }
155 }
156 printf("ok\n");
157 return 0;
158}
159EOCP
160 set check
161 if eval $compile_ok; then
162 libcquad=`./check`
163 echo "Your C library's 64-bit functions are $libcquad."
164 else
165 echo "(I can't seem to compile the test program.)"
166 echo "Assuming that your C library's 64-bit functions are ok."
167 libcquad="ok"
168 fi
169 $rm -f check.c check
170
171 case "$libcquad" in
172 buggy*)
173 cat >&4 <<EOM
174
175*** You have a C library with broken 64-bit functions.
176*** 64-bit support does not work reliably in this configuration.
013ad2b3 177*** Please rerun Configure without -Duse64bitint and/or -Dusemorebits.
cde16453 178*** Cannot continue, aborting.
013ad2b3 179
cde16453 180EOM
181 exit 1
182 ;;
183 esac
184esac
185EOCBU
186
c347f277 187# When building in the OpenBSD tree we use different paths
188# This is only part of the story, the rest comes from config.over
189case "$openbsd_distribution" in
48827ca2 190''|$undef|false) ;;
c347f277 191*)
192 # We put things in /usr, not /usr/local
193 prefix='/usr'
194 prefixexp='/usr'
195 sysman='/usr/share/man/man1'
c347f277 196 libpth='/usr/lib'
48827ca2 197 glibpth='/usr/lib'
eb9cd59d 198 # Local things, however, do go in /usr/local
199 siteprefix='/usr/local'
200 siteprefixexp='/usr/local'
48827ca2 201 # Ports installs non-std libs in /usr/local/lib so look there too
202 locincpth='/usr/local/include'
203 loclibpth='/usr/local/lib'
204 # Link perl with shared libperl
205 if [ "$usedl" = "$define" -a -r shlib_version ]; then
206 useshrplib=true
207 libperl=`. ./shlib_version; echo libperl.so.${major}.${minor}`
208 fi
c347f277 209 ;;
210esac
211
43051805 212# end