1 files changed, 11 insertions, 0 deletions
diff --git a/configure.in b/configure.in
index ebdb0fd498..c24b7b7101 100644
--- a/configure.in
+++ b/configure.in
@@ -74,6 +74,17 @@ AC_ARG_ENABLE(fat-binary,
     echo "."
 fi 
 
+case $target_cpu in
+  i?86) frame_address=yes;;
+  *)    frame_address=no;;
+esac
+AC_ARG_ENABLE(frame-address,
+       [--enable-frame-address    use GCC __builtin_frame_address(). ],
+       [frame_address=$enableval])
+if test $frame_address = yes; then
+    AC_DEFINE(USE_BUILTIN_FRAME_ADDRESS)
+fi
+
 AC_ARG_PROGRAM
 
 dnl Checks for programs.