| 1 |
# hints/openbsd.sh |
| 2 |
# |
| 3 |
# hints file for OpenBSD; Todd Miller <millert@openbsd.org> |
| 4 |
# Edited to allow Configure command-line overrides by |
| 5 |
# Andy Dougherty <doughera@lafayette.edu> |
| 6 |
# |
| 7 |
# To build with distribution paths, use: |
| 8 |
# ./Configure -des -Dopenbsd_distribution=defined |
| 9 |
# |
| 10 |
|
| 11 |
# OpenBSD has a better malloc than perl... |
| 12 |
test "$usemymalloc" || usemymalloc='n' |
| 13 |
|
| 14 |
# malloc wrap works |
| 15 |
case "$usemallocwrap" in |
| 16 |
'') usemallocwrap='define' ;; |
| 17 |
esac |
| 18 |
|
| 19 |
# Currently, vfork(2) is not a real win over fork(2). |
| 20 |
usevfork="$undef" |
| 21 |
|
| 22 |
# In OpenBSD < 3.3, the setre?[ug]id() are emulated using the |
| 23 |
# _POSIX_SAVED_IDS functionality which does not have the same |
| 24 |
# semantics as 4.3BSD. Starting with OpenBSD 3.3, the original |
| 25 |
# semantics have been restored. |
| 26 |
case "$osvers" in |
| 27 |
[0-2].*|3.[0-2]) |
| 28 |
d_setregid=$undef |
| 29 |
d_setreuid=$undef |
| 30 |
d_setrgid=$undef |
| 31 |
d_setruid=$undef |
| 32 |
esac |
| 33 |
|
| 34 |
# |
| 35 |
# Not all platforms support dynamic loading... |
| 36 |
# For the case of "$openbsd_distribution", the hints file |
| 37 |
# needs to know whether we are using dynamic loading so that |
| 38 |
# it can set the libperl name appropriately. |
| 39 |
# Allow command line overrides. |
| 40 |
# |
| 41 |
ARCH=`arch | sed 's/^OpenBSD.//'` |
| 42 |
case "${ARCH}-${osvers}" in |
| 43 |
alpha-2.[0-8]|mips-2.[0-8]|powerpc-2.[0-7]|m88k-*|hppa-*|vax-*) |
| 44 |
test -z "$usedl" && usedl=$undef |
| 45 |
;; |
| 46 |
*) |
| 47 |
test -z "$usedl" && usedl=$define |
| 48 |
# We use -fPIC here because -fpic is *NOT* enough for some of the |
| 49 |
# extensions like Tk on some OpenBSD platforms (ie: sparc) |
| 50 |
cccdlflags="-DPIC -fPIC $cccdlflags" |
| 51 |
case "$osvers" in |
| 52 |
[01].*|2.[0-7]|2.[0-7].*) |
| 53 |
lddlflags="-Bshareable $lddlflags" |
| 54 |
;; |
| 55 |
2.[8-9]|3.0) |
| 56 |
ld=${cc:-cc} |
| 57 |
lddlflags="-shared -fPIC $lddlflags" |
| 58 |
;; |
| 59 |
*) # from 3.1 onwards |
| 60 |
ld=${cc:-cc} |
| 61 |
lddlflags="-shared -fPIC $lddlflags" |
| 62 |
libswanted=`echo $libswanted | sed 's/ dl / /'` |
| 63 |
;; |
| 64 |
esac |
| 65 |
|
| 66 |
# We need to force ld to export symbols on ELF platforms. |
| 67 |
# Without this, dlopen() is crippled. |
| 68 |
ELF=`${cc:-cc} -dM -E - </dev/null | grep __ELF__` |
| 69 |
test -n "$ELF" && ldflags="-Wl,-E $ldflags" |
| 70 |
;; |
| 71 |
esac |
| 72 |
|
| 73 |
# |
| 74 |
# Tweaks for various versions of OpenBSD |
| 75 |
# |
| 76 |
case "$osvers" in |
| 77 |
2.5) |
| 78 |
# OpenBSD 2.5 has broken odbm support |
| 79 |
i_dbm=$undef |
| 80 |
;; |
| 81 |
esac |
| 82 |
|
| 83 |
# OpenBSD doesn't need libcrypt but many folks keep a stub lib |
| 84 |
# around for old NetBSD binaries. |
| 85 |
libswanted=`echo $libswanted | sed 's/ crypt / /'` |
| 86 |
|
| 87 |
# Configure can't figure this out non-interactively |
| 88 |
d_suidsafe=$define |
| 89 |
|
| 90 |
# cc is gcc so we can do better than -O |
| 91 |
# Allow a command-line override, such as -Doptimize=-g |
| 92 |
case ${ARCH} in |
| 93 |
m88k) |
| 94 |
optimize='-O0' |
| 95 |
;; |
| 96 |
hppa) |
| 97 |
optimize='-O0' |
| 98 |
;; |
| 99 |
*) |
| 100 |
test "$optimize" || optimize='-O2' |
| 101 |
;; |
| 102 |
esac |
| 103 |
|
| 104 |
# This script UU/usethreads.cbu will get 'called-back' by Configure |
| 105 |
# after it has prompted the user for whether to use threads. |
| 106 |
cat > UU/usethreads.cbu <<'EOCBU' |
| 107 |
case "$usethreads" in |
| 108 |
$define|true|[yY]*) |
| 109 |
# any openbsd version dependencies with pthreads? |
| 110 |
ccflags="-pthread $ccflags" |
| 111 |
ldflags="-pthread $ldflags" |
| 112 |
case "$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 |
| 120 |
case "$osvers" in |
| 121 |
[012].*|3.[0-6]) |
| 122 |
# Broken at least up to OpenBSD 3.6, we'll see about 3.7 |
| 123 |
d_getservbyname_r=$undef ;; |
| 124 |
esac |
| 125 |
esac |
| 126 |
EOCBU |
| 127 |
|
| 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. |
| 130 |
cat > UU/use64bitint.cbu <<'EOCBU' |
| 131 |
case "$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> |
| 137 |
typedef $uquadtype myULL; |
| 138 |
int 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 |
} |
| 159 |
EOCP |
| 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. |
| 177 |
*** Please rerun Configure without -Duse64bitint and/or -Dusemorebits. |
| 178 |
*** Cannot continue, aborting. |
| 179 |
|
| 180 |
EOM |
| 181 |
exit 1 |
| 182 |
;; |
| 183 |
esac |
| 184 |
esac |
| 185 |
EOCBU |
| 186 |
|
| 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 |
| 189 |
case "$openbsd_distribution" in |
| 190 |
''|$undef|false) ;; |
| 191 |
*) |
| 192 |
# We put things in /usr, not /usr/local |
| 193 |
prefix='/usr' |
| 194 |
prefixexp='/usr' |
| 195 |
sysman='/usr/share/man/man1' |
| 196 |
libpth='/usr/lib' |
| 197 |
glibpth='/usr/lib' |
| 198 |
# Local things, however, do go in /usr/local |
| 199 |
siteprefix='/usr/local' |
| 200 |
siteprefixexp='/usr/local' |
| 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 |
| 209 |
;; |
| 210 |
esac |
| 211 |
|
| 212 |
# end |
