1 files changed, 9 insertions, 1 deletions
diff --git a/gcc/configure b/gcc/configure
index 10ff30583be..0283bb9c490 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -14959,9 +14959,17 @@ fi
 if test "${with_gc+set}" = set; then
   withval="$with_gc"
   case "$withval" in
-  page | zone)
+  page)
     GGC=ggc-$withval
     ;;
+  zone)
+    GGC=ggc-$withval
+
+cat >>confdefs.h <<\_ACEOF
+#define GGC_ZONE 1
+_ACEOF
+
+    ;;
   *)
     { { echo "$as_me:$LINENO: error: $withval is an invalid option to --with-gc" >&5
 echo "$as_me: error: $withval is an invalid option to --with-gc" >&2;}