Re: 2.5.1 - error compiling ksyms.c

David Relson (relson@osagesoftware.com)
Tue, 18 Dec 2001 11:32:43 -0500


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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