2010-09-01 Janus Weil <janus@gcc.gnu.org>

[pf3gnuchains/gcc-fork.git] / gcc / configure.ac

diff --git a/gcc/configure.ac b/gcc/configure.ac
index 24d38aa..1fcb87a 100644 (file)
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -1580,6 +1580,21 @@ AC_ARG_ENABLE(cld,
 [  --enable-cld            enable -mcld by default for 32bit x86], [],
 [enable_cld=no])
 
+AC_ARG_ENABLE(frame-pointer,
+[  --enable-frame-pointer  enable -fno-omit-frame-pointer by default for 32bit x86], [],
+[
+case $target_os in
+linux* | darwin[[8912]]*)
+  # Enable -fomit-frame-pointer by default for Linux and Darwin with
+  # DWARF2.
+  enable_frame_pointer=no
+  ;;
+*)
+  enable_frame_pointer=yes
+  ;;
+esac
+])
+
 # Windows32 Registry support for specifying GCC installation paths.
 AC_ARG_ENABLE(win32-registry,
 [  --disable-win32-registry