system : linux architecture : powerpc altivec So yes at least one of the buildd has altivec. Where there is hope is that all the code needing optimization is not in libvlccore but in modules and there are plain C module for any module using asm So it might boil down to not having -maltivec in the cflags when we build src/ (i.e. libvlc2 and libvlccore0) -- Xtophe