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SubjectRe: [PATCH] fixed: CRC32=y && 8193TOO=m unresolved symbols
On Wed, Jun 04, 2003 at 04:30:49PM +0100, David Woodhouse wrote:
> On Wed, 2003-06-04 at 16:28, Jeff Garzik wrote:
> > You can't EXPORT_SYMBOL from a header.
> >
> > This sounds like Kconfig or Makefile bugs to me... all the
> > export-symbol stuff should already be in place.
> >
> > Can you post your .config and the exact build errors you are getting?
> It's because lib/crc32.o isn't actually _referenced_ by anything, hence
> isn't actually pulled into vmlinux from lib/lib.a.
> My fix in the 2.4 tree is to export its symbols from kernel/ksyms.c
> #ifdef CONFIG_CRC32, and to export its symbols from lib/crc32.c
> #ifndef CONFIG_CRC32.

That makes sense.

Any opinions on moving it out of lib/lib.a?

We have our own conditional linking system, essentially, so that's what
I would prefer.


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