| 1 | # hints/openbsd.sh
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| 2 | #
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| 3 | # hints file for OpenBSD; Todd Miller <[email protected]>
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| 4 | # Edited to allow Configure command-line overrides by
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| 5 | # Andy Dougherty <[email protected]>
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| 6 | #
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| 7 | # To build with distribution paths, use:
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| 8 | # ./Configure -des -Dopenbsd_distribution=defined
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| 9 | #
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| 10 |
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| 11 | # OpenBSD has a better malloc than perl...
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| 12 | test "$usemymalloc" || usemymalloc='n'
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| 13 |
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| 14 | # malloc wrap works
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| 15 | case "$usemallocwrap" in
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| 16 | '') usemallocwrap='define' ;;
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| 17 | esac
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| 18 |
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| 19 | # Currently, vfork(2) is not a real win over fork(2).
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| 20 | usevfork="$undef"
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| 21 |
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| 22 | # In OpenBSD < 3.3, the setre?[ug]id() are emulated using the
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| 23 | # _POSIX_SAVED_IDS functionality which does not have the same
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| 24 | # semantics as 4.3BSD. Starting with OpenBSD 3.3, the original
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| 25 | # semantics have been restored.
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| 26 | case "$osvers" in
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| 27 | [0-2].*|3.[0-2])
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| 28 | d_setregid=$undef
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| 29 | d_setreuid=$undef
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| 30 | d_setrgid=$undef
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| 31 | d_setruid=$undef
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| 32 | esac
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| 33 |
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| 34 | #
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| 35 | # Not all platforms support dynamic loading...
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| 36 | # For the case of "$openbsd_distribution", the hints file
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| 37 | # needs to know whether we are using dynamic loading so that
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| 38 | # it can set the libperl name appropriately.
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| 39 | # Allow command line overrides.
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| 40 | #
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| 41 | ARCH=`arch | sed 's/^OpenBSD.//'`
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| 42 | case "${ARCH}-${osvers}" in
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| 43 | alpha-2.[0-8]|mips-2.[0-8]|powerpc-2.[0-7]|m88k-*|hppa-*|vax-*)
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| 44 | test -z "$usedl" && usedl=$undef
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| 45 | ;;
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| 46 | *)
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| 47 | test -z "$usedl" && usedl=$define
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| 48 | # We use -fPIC here because -fpic is *NOT* enough for some of the
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| 49 | # extensions like Tk on some OpenBSD platforms (ie: sparc)
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| 50 | cccdlflags="-DPIC -fPIC $cccdlflags"
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| 51 | case "$osvers" in
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| 52 | [01].*|2.[0-7]|2.[0-7].*)
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| 53 | lddlflags="-Bshareable $lddlflags"
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| 54 | ;;
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| 55 | 2.[8-9]|3.0)
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| 56 | ld=${cc:-cc}
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| 57 | lddlflags="-shared -fPIC $lddlflags"
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| 58 | ;;
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| 59 | *) # from 3.1 onwards
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| 60 | ld=${cc:-cc}
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| 61 | lddlflags="-shared -fPIC $lddlflags"
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| 62 | libswanted=`echo $libswanted | sed 's/ dl / /'`
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| 63 | ;;
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| 64 | esac
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| 65 |
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| 66 | # We need to force ld to export symbols on ELF platforms.
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| 67 | # Without this, dlopen() is crippled.
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| 68 | ELF=`${cc:-cc} -dM -E - </dev/null | grep __ELF__`
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| 69 | test -n "$ELF" && ldflags="-Wl,-E $ldflags"
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| 70 | ;;
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| 71 | esac
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| 72 |
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| 73 | #
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| 74 | # Tweaks for various versions of OpenBSD
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| 75 | #
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| 76 | case "$osvers" in
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| 77 | 2.5)
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| 78 | # OpenBSD 2.5 has broken odbm support
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| 79 | i_dbm=$undef
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| 80 | ;;
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| 81 | esac
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| 82 |
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| 83 | # OpenBSD doesn't need libcrypt but many folks keep a stub lib
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| 84 | # around for old NetBSD binaries.
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| 85 | libswanted=`echo $libswanted | sed 's/ crypt / /'`
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| 86 |
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| 87 | # Configure can't figure this out non-interactively
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| 88 | d_suidsafe=$define
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| 89 |
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| 90 | # cc is gcc so we can do better than -O
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| 91 | # Allow a command-line override, such as -Doptimize=-g
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| 92 | case ${ARCH} in
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| 93 | m88k)
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| 94 | optimize='-O0'
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| 95 | ;;
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| 96 | hppa)
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| 97 | optimize='-O0'
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| 98 | ;;
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| 99 | *)
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| 100 | test "$optimize" || optimize='-O2'
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| 101 | ;;
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| 102 | esac
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| 103 |
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| 104 | # This script UU/usethreads.cbu will get 'called-back' by Configure
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| 105 | # after it has prompted the user for whether to use threads.
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| 106 | cat > UU/usethreads.cbu <<'EOCBU'
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| 107 | case "$usethreads" in
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| 108 | $define|true|[yY]*)
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| 109 | # any openbsd version dependencies with pthreads?
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| 110 | ccflags="-pthread $ccflags"
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| 111 | ldflags="-pthread $ldflags"
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| 112 | case "$osvers" in
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| 113 | [0-2].*|3.[0-2])
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| 114 | # Change from -lc to -lc_r
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| 115 | set `echo "X $libswanted " | sed 's/ c / c_r /'`
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| 116 | shift
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| 117 | libswanted="$*"
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| 118 | ;;
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| 119 | esac
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| 120 | case "$osvers" in
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| 121 | [012].*|3.[0-6])
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| 122 | # Broken at least up to OpenBSD 3.6, we'll see about 3.7
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| 123 | d_getservbyname_r=$undef ;;
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| 124 | esac
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| 125 | esac
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| 126 | EOCBU
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| 127 |
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| 128 | # This script UU/use64bitint.cbu will get 'called-back' by Configure
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| 129 | # after it has prompted the user for whether to use 64-bitness.
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| 130 | cat > UU/use64bitint.cbu <<'EOCBU'
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| 131 | case "$use64bitint" in
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| 132 | $define|true|[yY]*)
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| 133 | echo " "
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| 134 | echo "Checking if your C library has broken 64-bit functions..." >&4
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| 135 | $cat >check.c <<EOCP
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| 136 | #include <stdio.h>
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| 137 | typedef $uquadtype myULL;
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| 138 | int main (void)
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| 139 | {
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| 140 | struct {
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| 141 | double d;
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| 142 | myULL u;
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| 143 | } *p, test[] = {
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| 144 | {4294967303.15, 4294967303ULL},
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| 145 | {4294967294.2, 4294967294ULL},
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| 146 | {4294967295.7, 4294967295ULL},
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| 147 | {0.0, 0ULL}
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| 148 | };
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| 149 | for (p = test; p->u; p++) {
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| 150 | myULL x = (myULL)p->d;
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| 151 | if (x != p->u) {
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| 152 | printf("buggy\n");
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| 153 | return 0;
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| 154 | }
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| 155 | }
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