Re: reiserfs NET=n build error

[Adrian Bunk <bunk@stusta.de>]

On Sat, Nov 18, 2006 at 08:22:06PM -0800, Randy Dunlap wrote:
> With CONFIG_NET=n and REISERFS_FS=m (randconfig), kernel build ends with
> 
> Kernel: arch/x86_64/boot/bzImage is ready  (#15)
>   Building modules, stage 2.
>   MODPOST 137 modules
> WARNING: "csum_partial" [fs/reiserfs/reiserfs.ko] undefined!
> make[1]: *** [__modpost] Error 1
> make: *** [modules] Error 2
> 
> on both 2.6.19-rc6 and 2.6.19-rc6-git2.
> 
> Looks like arch/x86_64/lib/lib.a is not being linked into the
> final kernel image for some reason.  lib.a does contain csum_partial.

The bug is in arch/x86_64/lib/Makefile:

The problem is that lib-y objects only get linked into the kernel image 
when they are used in the kernel image.

Therefore, an EXPORT_SYMBOL in a lib-y object is a bug.

> ~Randy

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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