From 0bbb8e8975ad9f00d467218098dd2d6ad8895974 Mon Sep 17 00:00:00 2001
From: luislavena <luislavena@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 30 Oct 2011 15:51:33 +0000
Subject: [PATCH] * configure.in: check -fno-omit-frame-pointer acceptance and
 usage   under MinGW. [ruby-core:39957] [Bug #5407]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33577 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog    | 5 +++++
 configure.in | 6 ++++++
 2 files changed, 11 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 07c9188bd6..39c5088fae 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon Oct 31 00:50:00 2011  Luis Lavena  <luislavena@gmail.com>
+
+	* configure.in: check -fno-omit-frame-pointer acceptance and usage
+	  under MinGW. [ruby-core:39957] [Bug #5407]
+
 Mon Oct 31 00:16:11 2011  Tanaka Akira  <akr@fsij.org>
 
 	* include/ruby/intern.h (rb_cloexec_fcntl_dupfd): declared.
diff --git a/configure.in b/configure.in
index 530301222c..a3d191a2bf 100644
--- a/configure.in
+++ b/configure.in
@@ -504,6 +504,12 @@ if test "$GCC" = yes; then
     test "$visibility_option" = no || OBJCOPY=:
 fi
 
+if test "$GCC" = yes; then
+    AS_CASE(["$target_os"], [mingw*], [
+	RUBY_TRY_CFLAGS(-fno-omit-frame-pointer, [optflags="${optflags+$optflags }-fno-omit-frame-pointer"])
+    ])
+fi
+
 test -z "${ac_env_CFLAGS_set}" -a -n "${cflags+set}" && eval CFLAGS="\"$cflags $ARCH_FLAG\""
 test -z "${ac_env_CXXFLAGS_set}" -a -n "${cxxflags+set}" && eval CXXFLAGS="\"$cxxflags $ARCH_FLAG\""