Re: [pcre-dev] Fwd: Bug#840354: src:pcre3: FTBFS on powerpc …

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Autor: Zoltán Herczeg
Datum:  
To: Christoph Biedl
CC: pcre-dev
Betreff: Re: [pcre-dev] Fwd: Bug#840354: src:pcre3: FTBFS on powerpc (G4 CPU)
That patches forces to use __builtin___clear_cache() from gcc 4.3 . Your compiler might be older than the debian compiler, and that function might be unimplemented for ppc. Could you check your and debian compiler version numbers? Perhaps we need another #elif check for ppc systems.

Regards,
Zoltan

Christoph Biedl <debian.axhn@???> írta:
>Zoltán Herczeg wrote...
>
>> Another idea just came to my mind. This issue could be cache flush issue,
>> since the CPU executes instructions from the instruction cache, while gdb
>> prints instructions from the data cache.
>
>Seems this is the issue. I've reverse-applied r1645 on top of the
>Debian sources, this seemed like an easier task then fiddling around
>with gdb :) And ... the build passes.
>
>Now I'm somewhat curious why that commit affects G4 CPUs only.
>
>    Christoph

>