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... 12test "$usemymalloc" || usemymalloc='n' 13 14# malloc wrap works 15case "$usemallocwrap" in 16'') usemallocwrap='define' ;; 17esac 18 19# Currently, vfork(2) is not a real win over fork(2). 20usevfork="$undef" 21 22# In OpenBSD < 3.3, the setre?[ug]id() are emulated using the 23# _POSIX_SAVED_IDS functionality which does not have the same 24# semantics as 4.3BSD. Starting with OpenBSD 3.3, the original 25# semantics have been restored. 26case "$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 33 34# 35# Not all platforms support dynamic loading... 36# For the case of "$openbsd_distribution", the hints file 37# needs to know whether we are using dynamic loading so that 38# it can set the libperl name appropriately. 39# Allow command line overrides. 40# 41ARCH=`arch | sed 's/^OpenBSD.//'` 42case "${ARCH}-${osvers}" in 43alpha-2.[0-8]|mips-2.[0-8]|powerpc-2.[0-7]|m88k-[2-4].*|m88k-5.[0-2]|hppa-3.[0-5]|vax-*) 44 test -z "$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 $ldflags" 70 ;; 71esac 72 73# 74# Tweaks for various versions of OpenBSD 75# 76case "$osvers" in 772.5) 78 # OpenBSD 2.5 has broken odbm support 79 i_dbm=$undef 80 ;; 81esac 82 83# OpenBSD doesn't need libcrypt but many folks keep a stub lib 84# around for old NetBSD binaries. 85libswanted=`echo $libswanted | sed 's/ crypt / /'` 86 87# Configure can't figure this out non-interactively 88d_suidsafe=$define 89 90# cc is gcc so we can do better than -O 91# Allow a command-line override, such as -Doptimize=-g 92case "${ARCH}-${osvers}" in 93hppa-3.3|m88k-2.*|m88k-3.[0-3]) 94 test "$optimize" || optimize='-O0' 95 ;; 96m88k-3.4) 97 test "$optimize" || optimize='-O1' 98 ;; 99*) 100 test "$optimize" || optimize='-O2' 101 ;; 102esac 103 104# This script UU/usethreads.cbu will get 'called-back' by Configure 105# after it has prompted the user for whether to use threads. 106cat > UU/usethreads.cbu <<'EOCBU' 107case "$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 "$osvers" in 121 [012].*|3.[0-6]) 122 # Broken up to OpenBSD 3.6, fixed in OpenBSD 3.7 123 d_getservbyname_r=$undef ;; 124 esac 125esac 126EOCBU 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. 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> 137typedef $uquadtype myULL; 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. 177*** Please rerun Configure without -Duse64bitint and/or -Dusemorebits. 178*** Cannot continue, aborting. 179 180EOM 181 exit 1 182 ;; 183 esac 184esac 185EOCBU 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 189case "$openbsd_distribution" in 190''|$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 $src/shlib_version ]; then 206 useshrplib=true 207 libperl=`. $src/shlib_version; echo libperl.so.${major}.${minor}` 208 fi 209 ;; 210esac 211 212# end 213