X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=hints%2Fopenbsd.sh;h=e4b1360d9ad861c02d37938acda43d860d909c8e;hb=4e73d6a402bc493d66d19c409c41e1e271c6450b;hp=5d47e0af14dfa6037fd6fb01d8a84047b7f3c158;hpb=36e43f01026d4e626675945fbb0471760b81782c;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/hints/openbsd.sh b/hints/openbsd.sh
index 5d47e0a..e4b1360 100644
--- a/hints/openbsd.sh
+++ b/hints/openbsd.sh
@@ -11,6 +11,11 @@
 # OpenBSD has a better malloc than perl...
 test "$usemymalloc" || usemymalloc='n'
 
+# malloc wrap works
+case "$usemallocwrap" in
+'') usemallocwrap='define' ;;
+esac
+
 # Currently, vfork(2) is not a real win over fork(2).
 usevfork="$undef"
 
@@ -113,13 +118,72 @@ $define|true|[yY]*)
 	;;
 	esac
 	case "$osvers" in
-	[012].*|3.[0-3])
-        	# Broken at least up to OpenBSD 3.2, we'll see about 3.3.
+	[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