linux-kernel - [PATCH] x86: minor Makefile simplification through use of cc-ifversion

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Message-Id: <200907232056.28635.elendil@planet.nl>
Date:	Thu, 23 Jul 2009 20:56:27 +0200
From:	Frans Pop <elendil@...net.nl>
To:	linux-kernel@...r.kernel.org
Cc:	linux-kbuild@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	x86@...nel.org
Subject: [PATCH] x86: minor Makefile simplification through use of cc-ifversion

Signed-off-by: Frans Pop <elendil@...net.nl>
---

Change was suggested by Sam Ravnborg; see http://lkml.org/lkml/2009/7/18/15.
Tested to work correctly.

diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 1b68659..1f3851a 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -32,8 +32,8 @@ ifeq ($(CONFIG_X86_32),y)
 
         # Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
         # a lot more stack due to the lack of sharing of stacklots:
-        KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then \
-                echo $(call cc-option,-fno-unit-at-a-time); fi ;)
+        KBUILD_CFLAGS += $(call cc-ifversion, -lt, 0400, \
+				$(call cc-option,-fno-unit-at-a-time))
 
         # CPU-specific tuning. Anything which can be shared with UML should go here.
         include $(srctree)/arch/x86/Makefile_32.cpu
--
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