On Saturday 18 August 2007 21:19, Kevin Brosius wrote: > Johannes Sixt wrote: > > On Saturday 18 August 2007 03:35, Kevin Brosius wrote: > > > While this addresses libmpeg3, there are also uses of USEMMX in > > > quicktime/ffmpeg/libavcodec > > > > The purpose of this fix, AFAIR, was to address only MMX issues in > > libmpeg3, not in ffmpeg. I faintly recall that I have even encouraged j > > not to touch USEMMX in ffmpeg, because it has a different meaning/purpose > > there. What's your problem? > > I suspect it is that MMX is now enabled in ffpmeg where it was not > before, and fPIC is not set properly for the ffpmeg build. I am seeing > an fPIC error while trying to link mpegvideo_mmx.o in > ffmpeg/libavcodec. The failure is because the mmx .o file is built > without -fPIC. > > Note that the patch adds a x86_64 cpu target to configure.in which auto > detects mmx, it seems. This enables mmx for all sublibs on x86_64, > which was not the case before. There is a new USEMMX32 define for > non-64 bit targets... Also, the configure for 3dnow was left off the > x86_64 arch block in configure.in, was this intentional? > > Anyway, we should be able to enable mmx across the board on x86_64, I > would think. I'll look in to why ffmpeg doesn't configure the same as > other parts of the build with respect to -fPIC. I noticed there was a > change to it's -fPIC preference also. This may relate to the trouble. > > Do you recall what platform j was using? I assume the patch fixed the > build on his platform while breaking SUSE.
Sorry, I can't remember the details, not even my own arguments. Please search in ML archives. I'd appreciate if you could go over this issue again. I don't have the hardware to help. Let's hope that j is listening and can give feedback. -- Hannes _______________________________________________ Cinelerra mailing list Cinelerra@skolelinux.no https://init.linpro.no/mailman/skolelinux.no/listinfo/cinelerra
