config: KERNEL_BITS envrionment variable to control choice between 32- and

64-bit darwin builds.

diff --git a/config b/config
index c8705e363257d29db74c650c04ddbdee243d14ea..80c1097f077aa86a6806c1fea78c1f53c1ee4742 100755 (executable)
--- a/config
+++ b/config
@@ -538,7 +538,7 @@ case "$GUESSOS" in
   ppc-apple-rhapsody) OUT="rhapsody-ppc-cc" ;;
   ppc-apple-darwin*)
        ISA64=`(sysctl -n hw.optional.64bitops) 2>/dev/null`
-       if [ "$ISA64" = "1" ]; then
+       if [ "$ISA64" = "1" -a -z "$KERNEL_BITS" ]; then
            echo "WARNING! If you wish to build 64-bit library, then you have to"
            echo "         invoke './Configure darwin64-ppc-cc' *manually*."
            if [ "$TEST" = "false" -a -t 1 ]; then
@@ -546,10 +546,14 @@ case "$GUESSOS" in
              (trap "stty `stty -g`" 2 0; stty -icanon min 0 time 50; read waste) <&1
            fi
        fi
-       OUT="darwin-ppc-cc" ;;
+       if [ "$ISA64" = "1" -a "$KERNEL_BITS" = "64" ]; then
+           OUT="darwin64-ppc-cc"
+       else
+           OUT="darwin-ppc-cc"
+       fi ;;
   i?86-apple-darwin*)
        ISA64=`(sysctl -n hw.optional.x86_64) 2>/dev/null`
-       if [ "$ISA64" = "1" ]; then
+       if [ "$ISA64" = "1" -a -z "$KERNEL_BITS" ]; then
            echo "WARNING! If you wish to build 64-bit library, then you have to"
            echo "         invoke './Configure darwin64-x86_64-cc' *manually*."
            if [ "$TEST" = "false" -a -t 1 ]; then
@@ -557,7 +561,11 @@ case "$GUESSOS" in
              (trap "stty `stty -g`" 2 0; stty -icanon min 0 time 50; read waste) <&1
            fi
        fi
-       OUT="darwin-i386-cc" ;;
+       if [ "$ISA64" = "1" -a "$KERNEL_BITS" = "64" ]; then
+           OUT="darwin64-x86_64-cc"
+       else
+           OUT="darwin-i386-cc"
+       fi ;;
   armv6+7-*-iphoneos)
        options="$options -arch%20armv6 -arch%20armv7"
        OUT="iphoneos-cross" ;;