| 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 | # In OpenBSD > 3.7, use perl's malloc [perl #75742] |
| 12 | case "$osvers" in |
| 13 | 3.[89]*|[4-9]*) |
| 14 | test "$usemymalloc" || usemymalloc=y |
| 15 | ;; |
| 16 | esac |
| 17 | |
| 18 | # malloc wrap works |
| 19 | case "$usemallocwrap" in |
| 20 | '') usemallocwrap='define' ;; |
| 21 | esac |
| 22 | |
| 23 | # Currently, vfork(2) is not a real win over fork(2). |
| 24 | usevfork="$undef" |
| 25 | |
| 26 | # In OpenBSD < 3.3, the setre?[ug]id() are emulated using the |
| 27 | # _POSIX_SAVED_IDS functionality which does not have the same |
| 28 | # semantics as 4.3BSD. Starting with OpenBSD 3.3, the original |
| 29 | # semantics have been restored. |
| 30 | case "$osvers" in |
| 31 | [0-2].*|3.[0-2]) |
| 32 | d_setregid=$undef |
| 33 | d_setreuid=$undef |
| 34 | d_setrgid=$undef |
| 35 | d_setruid=$undef |
| 36 | esac |
| 37 | |
| 38 | # |
| 39 | # Not all platforms support dynamic loading... |
| 40 | # For the case of "$openbsd_distribution", the hints file |
| 41 | # needs to know whether we are using dynamic loading so that |
| 42 | # it can set the libperl name appropriately. |
| 43 | # Allow command line overrides. |
| 44 | # |
| 45 | ARCH=`arch | sed 's/^OpenBSD.//'` |
| 46 | case "${ARCH}-${osvers}" in |
| 47 | alpha-2.[0-8]|mips-2.[0-8]|powerpc-2.[0-7]|m88k-*|hppa-*|vax-*) |
| 48 | test -z "$usedl" && usedl=$undef |
| 49 | ;; |
| 50 | *) |
| 51 | test -z "$usedl" && usedl=$define |
| 52 | # We use -fPIC here because -fpic is *NOT* enough for some of the |
| 53 | # extensions like Tk on some OpenBSD platforms (ie: sparc) |
| 54 | cccdlflags="-DPIC -fPIC $cccdlflags" |
| 55 | case "$osvers" in |
| 56 | [01].*|2.[0-7]|2.[0-7].*) |
| 57 | lddlflags="-Bshareable $lddlflags" |
| 58 | ;; |
| 59 | 2.[8-9]|3.0) |
| 60 | ld=${cc:-cc} |
| 61 | lddlflags="-shared -fPIC $lddlflags" |
| 62 | ;; |
| 63 | *) # from 3.1 onwards |
| 64 | ld=${cc:-cc} |
| 65 | lddlflags="-shared -fPIC $lddlflags" |
| 66 | libswanted=`echo $libswanted | sed 's/ dl / /'` |
| 67 | ;; |
| 68 | esac |
| 69 | |
| 70 | # We need to force ld to export symbols on ELF platforms. |
| 71 | # Without this, dlopen() is crippled. |
| 72 | ELF=`${cc:-cc} -dM -E - </dev/null | grep __ELF__` |
| 73 | test -n "$ELF" && ldflags="-Wl,-E $ldflags" |
| 74 | ;; |
| 75 | esac |
| 76 | |
| 77 | # |
| 78 | # Tweaks for various versions of OpenBSD |
| 79 | # |
| 80 | case "$osvers" in |
| 81 | 2.5) |
| 82 | # OpenBSD 2.5 has broken odbm support |
| 83 | i_dbm=$undef |
| 84 | ;; |
| 85 | esac |
| 86 | |
| 87 | # OpenBSD doesn't need libcrypt but many folks keep a stub lib |
| 88 | # around for old NetBSD binaries. |
| 89 | libswanted=`echo $libswanted | sed 's/ crypt / /'` |
| 90 | |
| 91 | # Configure can't figure this out non-interactively |
| 92 | d_suidsafe=$define |
| 93 | |
| 94 | # cc is gcc so we can do better than -O |
| 95 | # Allow a command-line override, such as -Doptimize=-g |
| 96 | case ${ARCH} in |
| 97 | m88k) |
| 98 | optimize='-O0' |
| 99 | ;; |
| 100 | hppa) |
| 101 | optimize='-O0' |
| 102 | ;; |
| 103 | *) |
| 104 | test "$optimize" || optimize='-O2' |
| 105 | ;; |
| 106 | esac |
| 107 | |
| 108 | # This script UU/usethreads.cbu will get 'called-back' by Configure |
| 109 | # after it has prompted the user for whether to use threads. |
| 110 | cat > UU/usethreads.cbu <<'EOCBU' |
| 111 | case "$usethreads" in |
| 112 | $define|true|[yY]*) |
| 113 | # any openbsd version dependencies with pthreads? |
| 114 | ccflags="-pthread $ccflags" |
| 115 | ldflags="-pthread $ldflags" |
| 116 | case "$osvers" in |
| 117 | [0-2].*|3.[0-2]) |
| 118 | # Change from -lc to -lc_r |
| 119 | set `echo "X $libswanted " | sed 's/ c / c_r /'` |
| 120 | shift |
| 121 | libswanted="$*" |
| 122 | ;; |
| 123 | esac |
| 124 | case "$osvers" in |
| 125 | [012].*|3.[0-6]) |
| 126 | # Broken at least up to OpenBSD 3.6, we'll see about 3.7 |
| 127 | d_getservbyname_r=$undef ;; |
| 128 | esac |
| 129 | esac |
| 130 | EOCBU |
| 131 | |
| 132 | # This script UU/use64bitint.cbu will get 'called-back' by Configure |
| 133 | # after it has prompted the user for whether to use 64-bitness. |
| 134 | cat > UU/use64bitint.cbu <<'EOCBU' |
| 135 | case "$use64bitint" in |
| 136 | $define|true|[yY]*) |
| 137 | echo " " |
| 138 | echo "Checking if your C library has broken 64-bit functions..." >&4 |
| 139 | $cat >check.c <<EOCP |
| 140 | #include <stdio.h> |
| 141 | typedef $uquadtype myULL; |
| 142 | int main (void) |
| 143 | { |
| 144 | struct { |
| 145 | double d; |
| 146 | myULL u; |
| 147 | } *p, test[] = { |
| 148 | {4294967303.15, 4294967303ULL}, |
| 149 | {4294967294.2, 4294967294ULL}, |
| 150 | {4294967295.7, 4294967295ULL}, |
| 151 | {0.0, 0ULL} |
| 152 | }; |
| 153 | for (p = test; p->u; p++) { |
| 154 | myULL x = (myULL)p->d; |
| 155 | if (x != p->u) { |
| 156 | printf("buggy\n"); |
| 157 | return 0; |
| 158 | } |
| 159 | } |
| 160 | printf("ok\n"); |
| 161 | return 0; |
| 162 | } |
| 163 | EOCP |
| 164 | set check |
| 165 | if eval $compile_ok; then |
| 166 | libcquad=`./check` |
| 167 | echo "Your C library's 64-bit functions are $libcquad." |
| 168 | else |
| 169 | echo "(I can't seem to compile the test program.)" |
| 170 | echo "Assuming that your C library's 64-bit functions are ok." |
| 171 | libcquad="ok" |
| 172 | fi |
| 173 | $rm -f check.c check |
| 174 | |
| 175 | case "$libcquad" in |
| 176 | buggy*) |
| 177 | cat >&4 <<EOM |
| 178 | |
| 179 | *** You have a C library with broken 64-bit functions. |
| 180 | *** 64-bit support does not work reliably in this configuration. |
| 181 | *** Please rerun Configure without -Duse64bitint and/or -Dusemorebits. |
| 182 | *** Cannot continue, aborting. |
| 183 | |
| 184 | EOM |
| 185 | exit 1 |
| 186 | ;; |
| 187 | esac |
| 188 | esac |
| 189 | EOCBU |
| 190 | |
| 191 | # When building in the OpenBSD tree we use different paths |
| 192 | # This is only part of the story, the rest comes from config.over |
| 193 | case "$openbsd_distribution" in |
| 194 | ''|$undef|false) ;; |
| 195 | *) |
| 196 | # We put things in /usr, not /usr/local |
| 197 | prefix='/usr' |
| 198 | prefixexp='/usr' |
| 199 | sysman='/usr/share/man/man1' |
| 200 | libpth='/usr/lib' |
| 201 | glibpth='/usr/lib' |
| 202 | # Local things, however, do go in /usr/local |
| 203 | siteprefix='/usr/local' |
| 204 | siteprefixexp='/usr/local' |
| 205 | # Ports installs non-std libs in /usr/local/lib so look there too |
| 206 | locincpth='/usr/local/include' |
| 207 | loclibpth='/usr/local/lib' |
| 208 | # Link perl with shared libperl |
| 209 | if [ "$usedl" = "$define" -a -r shlib_version ]; then |
| 210 | useshrplib=true |
| 211 | libperl=`. ./shlib_version; echo libperl.so.${major}.${minor}` |
| 212 | fi |
| 213 | ;; |
| 214 | esac |
| 215 | |
| 216 | # end |