X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=hints%2Fopenbsd.sh;h=e4b1360d9ad861c02d37938acda43d860d909c8e;hb=4e73d6a402bc493d66d19c409c41e1e271c6450b;hp=3f4c96f6e029ab4b19c320e59c2cfd6affdea046;hpb=1528c3dbdf2fe37d35064c5d7626416bbc1da382;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/hints/openbsd.sh b/hints/openbsd.sh
index 3f4c96f..e4b1360 100644
--- a/hints/openbsd.sh
+++ b/hints/openbsd.sh
@@ -2,38 +2,71 @@
 #
 # hints file for OpenBSD; Todd Miller <millert@openbsd.org>
 # Edited to allow Configure command-line overrides by
-#  Andy Dougherty <doughera@lafcol.lafayette.edu>
+#  Andy Dougherty <doughera@lafayette.edu>
+#
+# To build with distribution paths, use:
+#	./Configure -des -Dopenbsd_distribution=defined
 #
 
 # OpenBSD has a better malloc than perl...
 test "$usemymalloc" || usemymalloc='n'
 
-# Currently, vfork(2) is not a real win over fork(2) but this will
-# change in a future release.
-usevfork='true'
+# malloc wrap works
+case "$usemallocwrap" in
+'') usemallocwrap='define' ;;
+esac
+
+# Currently, vfork(2) is not a real win over fork(2).
+usevfork="$undef"
 
-# setre?[ug]id() have been replaced by the _POSIX_SAVED_IDS versions
-# in 4.4BSD.  Configure will find these but they are just emulated
-# and do not have the same semantics as in 4.3BSD.
-d_setregid=$undef
-d_setreuid=$undef
-d_setrgid=$undef
-d_setruid=$undef
+# In OpenBSD < 3.3, the setre?[ug]id() are emulated using the
+# _POSIX_SAVED_IDS functionality which does not have the same
+# semantics as 4.3BSD.  Starting with OpenBSD 3.3, the original
+# semantics have been restored.
+case "$osvers" in
+[0-2].*|3.[0-2])
+	d_setregid=$undef
+	d_setreuid=$undef
+	d_setrgid=$undef
+	d_setruid=$undef
+esac
 
 #
-# Not all platforms support shared libs...
+# Not all platforms support dynamic loading...
+# For the case of "$openbsd_distribution", the hints file
+# needs to know whether we are using dynamic loading so that
+# it can set the libperl name appropriately.
+# Allow command line overrides.
 #
-case `uname -m` in
-alpha|mips|powerpc|vax)
-	d_dlopen=$undef
+ARCH=`arch | sed 's/^OpenBSD.//'`
+case "${ARCH}-${osvers}" in
+alpha-2.[0-8]|mips-2.[0-8]|powerpc-2.[0-7]|m88k-*|hppa-*|vax-*)
+	test -z "$usedl" && usedl=$undef
 	;;
 *)
-	d_dlopen=$define
-	d_dlerror=$define
-	# we use -fPIC here because -fpic is *NOT* enough for some of the
+	test -z "$usedl" && usedl=$define
+	# We use -fPIC here because -fpic is *NOT* enough for some of the
 	# extensions like Tk on some OpenBSD platforms (ie: sparc)
 	cccdlflags="-DPIC -fPIC $cccdlflags"
-	lddlflags="-Bforcearchive -Bshareable $lddlflags"
+	case "$osvers" in
+	[01].*|2.[0-7]|2.[0-7].*)
+		lddlflags="-Bshareable $lddlflags"
+		;;
+	2.[8-9]|3.0)
+		ld=${cc:-cc}
+		lddlflags="-shared -fPIC $lddlflags"
+		;;
+	*) # from 3.1 onwards
+		ld=${cc:-cc}
+		lddlflags="-shared -fPIC $lddlflags"
+		libswanted=`echo $libswanted | sed 's/ dl / /'`
+		;;
+	esac
+
+	# We need to force ld to export symbols on ELF platforms.
+	# Without this, dlopen() is crippled.
+	ELF=`${cc:-cc} -dM -E - </dev/null | grep __ELF__`
+	test -n "$ELF" && ldflags="-Wl,-E $ldflags"
 	;;
 esac
 
@@ -56,7 +89,17 @@ d_suidsafe=$define
 
 # cc is gcc so we can do better than -O
 # Allow a command-line override, such as -Doptimize=-g
-test "$optimize" || optimize='-O2'
+case ${ARCH} in
+m88k)
+   optimize='-O0'
+   ;;
+hppa)
+   optimize='-O0'
+   ;;
+*)
+   test "$optimize" || optimize='-O2'
+   ;;
+esac
 
 # This script UU/usethreads.cbu will get 'called-back' by Configure 
 # after it has prompted the user for whether to use threads.
@@ -64,8 +107,106 @@ cat > UU/usethreads.cbu <<'EOCBU'
 case "$usethreads" in
 $define|true|[yY]*)
 	# any openbsd version dependencies with pthreads?
-	libswanted="$libswanted pthread"
+	ccflags="-pthread $ccflags"
+	ldflags="-pthread $ldflags"
+	case "$osvers" in
+	[0-2].*|3.[0-2])
+		# Change from -lc to -lc_r
+		set `echo "X $libswanted " | sed 's/ c / c_r /'`
+		shift
+		libswanted="$*"
+	;;
+	esac
+	case "$osvers" in
+	[012].*|3.[0-6])
+        	# Broken at least up to OpenBSD 3.6, we'll see about 3.7
+		d_getservbyname_r=$undef ;;
+	esac
+esac
+EOCBU
+
+# This script UU/use64bitint.cbu will get 'called-back' by Configure 
+# after it has prompted the user for whether to use 64-bitness.
+cat > UU/use64bitint.cbu <<'EOCBU'
+case "$use64bitint" in
+$define|true|[yY]*)
+	echo " "
+	echo "Checking if your C library has broken 64-bit functions..." >&4
+	$cat >check.c <<EOCP
+#include <stdio.h>
+typedef $uquadtype myULL;
+int main (void)
+{
+    struct {
+	double d;
+	myULL  u;
+    } *p, test[] = {
+	{4294967303.15, 4294967303ULL},
+	{4294967294.2,  4294967294ULL},
+	{4294967295.7,  4294967295ULL},
+	{0.0, 0ULL}
+    };
+    for (p = test; p->u; p++) {
+	myULL x = (myULL)p->d;
+	if (x != p->u) {
+	    printf("buggy\n");
+	    return 0;
+	}
+    }
+    printf("ok\n");
+    return 0;
+}
+EOCP
+	set check
+	if eval $compile_ok; then
+	    libcquad=`./check`
+	    echo "Your C library's 64-bit functions are $libcquad."
+	else
+	    echo "(I can't seem to compile the test program.)"
+	    echo "Assuming that your C library's 64-bit functions are ok."
+	    libcquad="ok"
+	fi
+	$rm -f check.c check
+
+	case "$libcquad" in
+	    buggy*)
+		cat >&4 <<EOM
+
+*** You have a C library with broken 64-bit functions.
+*** 64-bit support does not work reliably in this configuration.
+*** Please rerun Configure without -Duse64bitint and/or -Dusemorebits.
+*** Cannot continue, aborting.
+
+EOM
+		exit 1
+		;;
+	esac
 esac
 EOCBU
 
+# When building in the OpenBSD tree we use different paths
+# This is only part of the story, the rest comes from config.over
+case "$openbsd_distribution" in
+''|$undef|false) ;;
+*)
+	# We put things in /usr, not /usr/local
+	prefix='/usr'
+	prefixexp='/usr'
+	sysman='/usr/share/man/man1'
+	libpth='/usr/lib'
+	glibpth='/usr/lib'
+	# Local things, however, do go in /usr/local
+	siteprefix='/usr/local'
+	siteprefixexp='/usr/local'
+	# Ports installs non-std libs in /usr/local/lib so look there too
+	locincpth='/usr/local/include'
+	loclibpth='/usr/local/lib'
+	# Link perl with shared libperl
+	if [ "$usedl" = "$define" -a -r shlib_version ]; then
+		useshrplib=true
+		libperl=`. ./shlib_version; echo libperl.so.${major}.${minor}`
+	fi
+	;;
+esac
+
 # end