On 28 May 2025, at 10:49, softworkz . wrote:
>> -----Original Message----- >> From: ffmpeg-devel <ffmpeg-devel-boun...@ffmpeg.org> On Behalf Of >> Martin Storsjö >> Sent: Mittwoch, 28. Mai 2025 10:27 >> To: FFmpeg development discussions and patches <ffmpeg- >> de...@ffmpeg.org> >> Subject: Re: [FFmpeg-devel] Building for Mac x86 with GCC & NASM >> >> On Wed, 28 May 2025, softworkz . wrote: >> >>>> -----Original Message----- >>>> From: ffmpeg-devel <ffmpeg-devel-boun...@ffmpeg.org> On Behalf Of >>>> Martin Storsjö >>>> Sent: Mittwoch, 28. Mai 2025 07:55 >>>> To: FFmpeg development discussions and patches <ffmpeg- >>>> de...@ffmpeg.org> >>>> Subject: Re: [FFmpeg-devel] Building for Mac x86 with GCC & NASM >>>> >>>> These warnings appeared since the new linker in Xcode 15.0, 1.5 >> years >>>> ago. >>>> I'm not aware of a flag for silencing these warnings; the only way >> I'm >>>> aware of is to force using the old linker by passing -Wl,- >> ld_classic. >>> >>> Thanks for the tip. It works to the extent that it prevents those >>> messages from appearing and make completes successfully. But almost >>> all (4724) fate tests are failing, haven't tried to trace it down. >> >> That sounds odd; it works fine for me (on an arm64 mac). > > Can you spot any difference to my configure that could be the culprit? > > ./configure --pkg-config-flags="--static" --extra-libs="-lm" \ The extra libs here should not be needed. > --extra-cflags="-mmacosx-version-min=14.0" \ > --extra-ldflags="-mmacosx-version-min=14.0 -Wl,-ld_classic > -Wl,-platform_version,macos,14.0,14.0" \ Why are you using platform_version? That should not be necessary. Also while using the old linker would help with these warnings, I dont think its a good thing to do in CI as we would miss issues that only happen with the new linker… > --enable-gpl \ > --enable-nonfree \ > --enable-videotoolbox \ > --samples=fate-suite --disable-stripping \ > --disable-doc --disable-optimizations --disable-avx512 > --enable-debug=3 > > > >> However this flag isn't a great solution either, since Xcode 16, the >> linker warns "ld: warning: -ld_classic is deprecated and will be >> removed >> in a future release". > > I'm on a macos-14 machine for now, not sure about the Xcode version, > does it align to the OS version? > > >>> This led me to a reference indicating that YASM already does it >> right. >>> I tried to build with YASM instead. After disabling HEVC and VVC >> decoders >>> it ran almost to the end, but then it failed on tx_float: >>> >>> Warning: libavcodec/x86/vp9lpf.o >>> skipping strip -x >>> Warning: libavcodec/x86/vp9lpf.o >>> libavutil/x86/tx_float.asm:1936: error: >>> Warning: (PFA_15_FN:21) expression syntax >>> Warning: error >>> libavutil/x86/tx_float.asm:1937: error: (PFA_15_FN:21) >>> Warning: expression syntax error >>> make: *** [libavutil/x86/tx_float.o] Error >>> >>> I don't know whether it can be disabled in some way as it appears to >> be >>> a prerequisite for many codecs and filters? >>> Besides that, I suppose that YASM isn't a good idea at all, right?` >> >> I'm not really familiar with the situation about x86 assemblers, but >> afaik >> yasm is much further behind on many other aspects. >> >>> From a different angle - what do you think would be the most useful >>> Mac build for Patchwork CI in general? >>> The available runners are macos 13, 14 and 15 - all x86, there's no >>> arm yet. >>> And would it be better to use Clang like in case of your FATE >> machines? >> >> I would recommend you to use the Apple provided Clang rather than GCC. > > > Okay good, I'll switch to that. > > > Thanks again > sw > > > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
