On Tue, Jan 22, 2002 at 10:19:15AM +0100, Armin Schindler wrote:
> Did you use plain 2.2.20 ?
> I cannot reproduce this problem here, can you please send me your
> kernel config.
>
It may be also a compiler related problem, so the version of the compiler is
also important. Some newer gcc don't inline memcpy/memset if complete
structures or arrays are assigned. For example:
char x[4] = {0,};
result in a memset, if here is no define of memset in any header it will
give an undefined symbol. Earlier gcc use buildin inline versions of memset
for this. Its a long discussion with gcc people, what is is the correct way
( I don't know the end of this discussion).
> Thanx,
> Armin
>
> On Tue, 22 Jan 2002, Peter T. Breuer wrote:
> > betty:/usr/local/src/linux-2.2.20% sudo depmod -ae -F System.map 2.2.20-SMP
> > depmod: *** Unresolved symbols in
> > /lib/modules/2.2.20-SMP/misc/divas.o depmod: memset
> > depmod: *** Unresolved symbols in
> > /lib/modules/2.2.20-SMP/misc/eicon.o depmod: memset
> >
> > Both compiled as modules, SMP kernel, i686 compile. No, I didn't make a
> > patch - I was too busy fighting with sct's patch for ext3, which is also
> > slightly toasted in the deendencies department when compiled as a
> > module.
> >
> > I don't know why these are missing memset. Of course memset is in the
> > kernel and nobody else misses it one bit! Yes, they do include at least
> > some header that incorporates memset (from linux/strings.h? Or in
> > asm-i386?), because I tried copying an inline memset.h definition into
> > their header files, and it produced a typical compiler error ("error
> > before '?' .." sic) from a memset macro clash. One of the component
> > sources of divas.o and eicon.o must be missing an #include
> > <asm/strings.h>.
> >
> > Your mission is to find and eliminate that missing include.
> >
> > Good luck.
> >
> >
> > ---------------------------------------------------------------------
> > Peter T. Breuer MA CASM PhD (Ing.), Prof. Asoc.
> > Area de Ingenieria Telematica E-mail: ptb@it.uc3m.es
> > Dpto. Ingenieria Tel: +34 (9)1 624 87 81
> > Universidad Carlos III de Madrid Fax: +34 (9)1 624 8749/9430
> > Butarque 15, Leganes/Madrid URL: http://www.it.uc3m.es/~ptb
> > E-28911 Spain Mob: +34 69 666 7835
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>
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