linux-kernel - Re: cc-version not available to change EXTRA

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Message-ID: <20060719090204.GA4980@suse.de>
Date:	Wed, 19 Jul 2006 11:02:04 +0200
From:	Olaf Hering <olh@...e.de>
To:	Sam Ravnborg <sam@...nborg.org>, linux-kernel@...r.kernel.org
Subject: Re: cc-version not available to change EXTRA_CFLAGS

 On Sat, Jan 21, Olaf Hering wrote:

> 
> I want to add a gcc version check for reiserfs, on akpms request.

This debug patch still doesnt work in 2.6.18-rc2:


make -kj 14 O=$O

scripts/gcc-version.sh: line 11: _c_flags: command not found
scripts/gcc-version.sh: line 12: _c_flags: command not found
+ '[' 0000 -lt 0500 ']'
+ echo -O1


---
 fs/reiserfs/Makefile |    1 +
 1 file changed, 1 insertion(+)

Index: linux-2.6.18-rc2/fs/reiserfs/Makefile
===================================================================
--- linux-2.6.18-rc2.orig/fs/reiserfs/Makefile
+++ linux-2.6.18-rc2/fs/reiserfs/Makefile
@@ -30,6 +30,7 @@ endif
 ifeq ($(CONFIG_PPC32),y)
 EXTRA_CFLAGS := -O1
 endif
+EXTRA_CFLAGS += $(shell set -x ; if [ $(call cc-version) -lt 0500 ] ; then echo -O1 ; fi ;)
 
 TAGS:
 	etags *.c
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