Message-ID: <4397418E.3070400@droids-corp.org>
Date: Wed, 07 Dec 2005 21:09:50 +0100
From: Olivier MATZ <zer0@droids-corp.org>
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To: Sam Ravnborg <sam@ravnborg.org>
CC: Arnd Bergmann <arnd@arndb.de>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] asm-i386 : config.h should not be included out of kernel
References: <4395F405.9010107@droids-corp.org> <200512062211.40142.arnd@arndb.de> <43971BD5.6040601@droids-corp.org> <20051207191030.GA7585@mars.ravnborg.org>
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Hi Sam,

> If you look at the commandline passed to gcc you will notice -include
> include/linux/autoconf.h which tell gcc to pull in autoconf.h.
> So it is no longer required to include config.h.

I'm not sure. On my 2.6.14.3, this is a compilation line :

gcc -m32 -Wp,-MD,kernel/.sys.o.d  -nostdinc -isystem
/usr/lib/gcc-lib/i486-linux-gnu/3.3.6/include -D__KERNEL__ -Iinclude
-Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing
-fno-common -ffreestanding -Os     -fno-omit-frame-pointer
-fno-optimize-sibling-calls -g -pipe -msoft-float
-mpreferred-stack-boundary=2  -march=i686 -mregparm=3
-Iinclude/asm-i386/mach-default      -DKBUILD_BASENAME=sys
-DKBUILD_MODNAME=sys -c -o kernel/.tmp_sys.o kernel/sys.c

Moreover, if I try to compile a C file which only define a variable and
assign it to a CONFIG_XXX, it doesn't work. Did I do something wrong ?

Olivier
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