From: Vladimir Serbinenko <phcoder@gmail.com>
Date: Thu, 7 Nov 2013 02:25:30 +0000 (+0100)
Subject: 	* configure.ac: Check that -malign-loops works rather than assuming that
X-Git-Tag: grub-2.02-beta1~458
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c966a489cf0b7f1ffa10b8ca0406d0f206b39fcf;p=thirdparty%2Fgrub.git

	* configure.ac: Check that -malign-loops works rather than assuming that
	either -falign-loops or -malign-loops work.
---

diff --git a/ChangeLog b/ChangeLog
index ffb87f386..dabc4120a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2013-11-07  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* configure.ac: Check that -malign-loops works rather than assuming that
+	either -falign-loops or -malign-loops work.
+
 2013-11-07  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	* configure.ac: Remove -fnested-functions. We don't need it anymore.
diff --git a/configure.ac b/configure.ac
index cebf27fbe..081bbdde4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -485,9 +485,16 @@ if test "x$target_cpu" = xi386; then
 	[grub_cv_cc_falign_loop=no])
   ])
 
+  AC_CACHE_CHECK([whether -malign-loops works], [grub_cv_cc_malign_loop], [
+    CFLAGS="$TARGET_CFLAGS -malign-loops=1"
+    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
+        [grub_cv_cc_malign_loop=yes],
+	[grub_cv_cc_malign_loop=no])
+  ])
+
   if test "x$grub_cv_cc_falign_loop" = xyes; then
     TARGET_CFLAGS="$TARGET_CFLAGS -falign-jumps=1 -falign-loops=1 -falign-functions=1"
-  else
+  elif test "x$grub_cv_cc_malign_loop" = xyes; then
     TARGET_CFLAGS="$TARGET_CFLAGS -malign-jumps=1 -malign-loops=1 -malign-functions=1"
   fi
 fi