Hi Carl This is the error message I get. It seems like libavdevice.a is llvm bitcode.
Thanks -Adrian ./configure --cc=clang --enable-lto && make -j28 AR libavcodec/libavcodec.a LD ffmpeg_g LD ffprobe_g /usr/bin/ld: skipping incompatible libavdevice/libavdevice.a when searching for -lavdevice /usr/bin/ld: cannot find -lavdevice /usr/bin/ld: skipping incompatible libavfilter/libavfilter.a when searching for -lavfilter /usr/bin/ld: cannot find -lavfilter /usr/bin/ld: skipping incompatible libavformat/libavformat.a when searching for /usr/bin/ld-lavformat : skipping incompatible libavdevice/libavdevice.a when searching for -lavdevice /usr/bin/ld: cannot find -lavdevice /usr/bin/ld: skipping incompatible libavfilter/libavfilter.a when searching for -lavfilter /usr/bin/ld: cannot find -lavfilter /usr/bin/ld: skipping incompatible libavformat/libavformat.a when searching for -lavformat /usr/bin/ld: skipping incompatible libavcodec/libavcodec.a when searching for -lavcodec /usr/bin/ld: skipping incompatible libavcodec/libavcodec.a when searching for -lavcodec /usr/bin/ld: skipping incompatible libswresample/libswresample.a when searching for -lswresample /usr/bin/ld: skipping incompatible libswscale/libswscale.a when searching for -lswscale /usr/bin/ld: skipping incompatible libswresample/libswresample.a when searching for -lswresample /usr/bin/ld: skipping incompatible libavutil/libavutil.a when searching for -lavutil /usr/bin/ld: skipping incompatible libswscale/libswscale.a when searching for -lswscale /usr/bin/ld: skipping incompatible libavutil/libavutil.a when searching for -lavutil clang: *error: *linker command failed with exit code 1 (use -v to see invocation) clang: *error: *linker command failed with exit code 1 (use -v to see invocation) Makefile:111: recipe for target 'ffprobe_g' failed On Sat, 1 Jun 2019 at 09:55, Carl Eugen Hoyos <[email protected]> wrote: > Am Sa., 1. Juni 2019 um 17:45 Uhr schrieb Adrian Tong > <[email protected]>: > > > Anyone has experience compiling ffmpeg with clang LTO before ? I tried > > ./configure --cc=clang --cxx=clang++ --enable-lto and it did not work. > > cxx should never be needed. > > "did not work" is not a useful problem description... > (clang is definitely supported) > > Carl Eugen > _______________________________________________ > ffmpeg-devel mailing list > [email protected] > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". _______________________________________________ ffmpeg-devel mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
