From: Adrian Bunk <bunk@stusta.de>
To: Sam Ravnborg <sam@ravnborg.org>
Cc: linux-kernel@vger.kernel.org
Subject: [2.6 patch] Doc/kbuild/makefiles.txt: check_gcc -> cc-option
Date: Wed, 27 Oct 2004 22:25:07 +0200 [thread overview]
Message-ID: <20041027202507.GB2713@stusta.de> (raw)
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It's not good to show the obsolete check_gcc in an example.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
- --- linux-2.6.10-rc1-mm1-full/Documentation/kbuild/makefiles.txt.old 2004-10-27 19:58:24.000000000 +0200
+++ linux-2.6.10-rc1-mm1-full/Documentation/kbuild/makefiles.txt 2004-10-27 20:03:24.000000000 +0200
@@ -707,15 +707,17 @@
probe supported options:
#arch/i386/Makefile
- - check_gcc = $(shell if $(CC) $(1) -S -o /dev/null -xc \
- - /dev/null\ > /dev/null 2>&1; then echo "$(1)"; \
- - else echo "$(2)"; fi)
- - cflags-$(CONFIG_MCYRIXIII) += $(call check_gcc,\
- - -march=c3,-march=i486)
- - CFLAGS += $(cflags-y)
+ ...
+ cflags-$(CONFIG_MPENTIUMII) += $(call cc-option,\
+ -march=pentium2,-march=i686)
+ ...
+ # Disable unit-at-a-time mode ...
+ CFLAGS += $(call cc-option,-fno-unit-at-a-time)
+ ...
- - The above examples both utilise the trick that a config option expands
+
+ The first examples utilises the trick that a config option expands
to 'y' when selected.
CFLAGS_KERNEL $(CC) options specific for built-in
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next reply other threads:[~2004-10-27 20:32 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-27 20:25 Adrian Bunk [this message]
2004-10-30 22:18 ` Sam Ravnborg
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