Message-Id: <4.3.2.7.2.20011218112315.00eb3100@mail.osagesoftware.com>
Date: Tue, 18 Dec 2001 11:32:43 -0500
To: lkml <linux-kernel@vger.kernel.org>
From: David Relson <relson@osagesoftware.com>
Subject: Re: 2.5.1 - error compiling ksyms.c
In-Reply-To: <4.3.2.7.2.20011218103901.00c3aad0@mail.osagesoftware.com>
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Sender: linux-kernel-owner@vger.kernel.org

Never mind.  I seem to have corrected the problem by cleaning up and 
rebuilding from scratch, i.e.

         make mrproper
         make xconfig
         make dep
         make bzImage
         make modules
         make install
         make modules_install

and all worked fine.  Now if I can only remember what events lead up to 
encountering trouble, I might have something useful to report.

David

At 10:47 AM 12/18/01, you wrote:
>Greetings!
>
>I can't 2.5.1 for a single processor environment.  The compilation of 
>kernel/ksyms.c fails as follows:
>
>gcc -D__KERNEL__ -I/usr/src/linux-2.5.1/include -Wall -Wstrict-prototypes 
>-Wno-trigraphs -O2 -fomit-frame-pointer -fno-strict-aliasing -fno-common 
>-pipe -mpreferred-stack-boundary=2 -march=i686    -DEXPORT_SYMTAB -c ksyms.c
>In file included from ksyms.c:24:
>/usr/src/linux-2.5.1/include/linux/kernel_stat.h: In function `kstat_irqs':
>/usr/src/linux-2.5.1/include/linux/kernel_stat.h:48: `smp_num_cpus' 
>undeclared (first use in this function)
>/usr/src/linux-2.5.1/include/linux/kernel_stat.h:48: (Each undeclared 
>identifier is reported only once
>/usr/src/linux-2.5.1/include/linux/kernel_stat.h:48: for each function it 
>appears in.)
>make[2]: *** [ksyms.o] Error 1
>
>In linux-2.5.1/.config, I have:
>
>         # CONFIG_SMP is not set
>
>This causes linux-2.5.1/include/linux/smp.h to define the symbol using:
>
>         #define smp_num_cpus    1
>
>However in linux-2.5.1/include/linux/modules/i386_ksyms.ver is:
>
>         #define smp_num_cpus    _set_ver(smp_num_cpus)
>
>which seems to undefine the symbol.
>
>What the heck is going on here?
>
>David
>
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