Hello list member, > 2018/10/10 午後10:28、桃源老師 <xanadu6...@dream.jp>のメール: > > Hello list member... > >> 2018/10/10 午前3:14、桃源老師 <xanadu6...@dream.jp>のメール: >> >> Hello list member, >> >>> 2018/10/09 午後11:03、桃源老師 <xanadu6...@dream.jp>のメール: >>> >>> Hello list member, >>> >>>> 2018/10/09 午後10:42、桃源老師 <xanadu6...@dream.jp>のメール: >>>> >>>> Hello Reindl -san, >>>> >>>>> 2018/10/09 午後10:21、Reindl Harald <h.rei...@thelounge.net>のメール: >>>>> >>>>> >>>>> http://www.catb.org/esr/faqs/smart-questions.html#beprecise >>>>> >>>>> Am 09.10.18 um 14:56 schrieb 桃源老師: >>>>>> Hello list member, >>>>>> >>>>>> I’m now trying to build static ffmpeg on macOS Mojave 10.14. >>>>>> >>>>>> Then I got the following "duplicate symbol” error at linking. >>>>>> >>>>>> How can I fix it??? Please help me!! >>>>>> >>>>>> >>>>>> CC fftools/ffmpeg_videotoolbox.o >>>>>> LD ffmpeg_g >>>>>> duplicate symbol _get_rdmult_delta in: >>>>>> /Volumes/ffmpeg_compile/lib/libaom.a(encodeframe.c.o) >>>>>> /Volumes/ffmpeg_compile/lib/libvpx.a(vp9_encodeframe.c.o) >>>>>> duplicate symbol _init_tpl_stats in: >>>>>> /Volumes/ffmpeg_compile/lib/libaom.a(encoder.c.o) >>>>>> /Volumes/ffmpeg_compile/lib/libvpx.a(vp9_encoder.c.o) >>>>>> duplicate symbol _init_gop_frames in: >>>>>> /Volumes/ffmpeg_compile/lib/libaom.a(encoder.c.o) >>>>>> /Volumes/ffmpeg_compile/lib/libvpx.a(vp9_encoder.c.o) >>>>>> duplicate symbol _get_quantize_error in: >>>>>> /Volumes/ffmpeg_compile/lib/libaom.a(encoder.c.o) >>>>>> /Volumes/ffmpeg_compile/lib/libvpx.a(vp9_encoder.c.o) >>>>>> duplicate symbol _round_floor in: >>>>>> /Volumes/ffmpeg_compile/lib/libaom.a(encoder.c.o) >>>>>> /Volumes/ffmpeg_compile/lib/libvpx.a(vp9_encoder.c.o) >>>>>> duplicate symbol _mc_flow_dispenser in: >>>>>> /Volumes/ffmpeg_compile/lib/libaom.a(encoder.c.o) >>>>>> /Volumes/ffmpeg_compile/lib/libvpx.a(vp9_encoder.c.o) >>>>>> duplicate symbol _motion_compensated_prediction in: >>>>>> /Volumes/ffmpeg_compile/lib/libaom.a(encoder.c.o) >>>>>> /Volumes/ffmpeg_compile/lib/libvpx.a(vp9_encoder.c.o) >>>>>> duplicate symbol _mode_estimation in: >>>>>> /Volumes/ffmpeg_compile/lib/libaom.a(encoder.c.o) >>>>>> /Volumes/ffmpeg_compile/lib/libvpx.a(vp9_encoder.c.o) >>>>>> duplicate symbol _wht_fwd_txfm in: >>>>>> /Volumes/ffmpeg_compile/lib/libaom.a(encoder.c.o) >>>>>> /Volumes/ffmpeg_compile/lib/libvpx.a(vp9_encoder.c.o) >>>>>> duplicate symbol _tpl_model_update in: >>>>>> /Volumes/ffmpeg_compile/lib/libaom.a(encoder.c.o) >>>>>> /Volumes/ffmpeg_compile/lib/libvpx.a(vp9_encoder.c.o) >>>>>> duplicate symbol _tpl_model_store in: >>>>>> /Volumes/ffmpeg_compile/lib/libaom.a(encoder.c.o) >>>>>> /Volumes/ffmpeg_compile/lib/libvpx.a(vp9_encoder.c.o) >>>>>> duplicate symbol _tpl_model_update_b in: >>>>>> /Volumes/ffmpeg_compile/lib/libaom.a(encoder.c.o) >>>>>> /Volumes/ffmpeg_compile/lib/libvpx.a(vp9_encoder.c.o) >>>>>> duplicate symbol _get_overlap_area in: >>>>>> /Volumes/ffmpeg_compile/lib/libaom.a(encoder.c.o) >>>>>> /Volumes/ffmpeg_compile/lib/libvpx.a(vp9_encoder.c.o) >>>>>> ld: 13 duplicate symbols for architecture x86_64 >>>>>> clang: error: linker command failed with exit code 1 (use -v to see >>>>>> invocation) >>>>>> make: *** [ffmpeg_g] Error 1 >>>> >>>> >>>> 1. I can successfully configure ffmpeg. >>>> 2.Then I run “make” command. >>>> 3.Near last portion of “make” process, "LD ffmpeg_g” tells me it’s final >>>> linking process, then I got “duplicate symbol” error on that process. >>>> 4.The console output of near the error is above. >>>> >>>> >>>> Am I explained what is my problem is? >>> >>> So with my poor poor knowledge, I found the following: >>> >>> $ cd /Volumes/ffmpeg_compile/lib/ >>> >>> $ nm libaom.a | grep get_overlap_area >>> 0000000000008840 T _get_overlap_area >>> $ nm libvpx.a | grep get_overlap_area >>> 0000000000004dc0 T _get_overlap_area >>> >>> $ nm libaom.a | grep tpl_model_update_b >>> 00000000000089d0 T _tpl_model_update_b >>> $ nm libvpx.a | grep tpl_model_update_b >>> 0000000000004fc0 T _tpl_model_update_b >>> >>> So libaom.a and libvpx.a seems to have same something. >>> >>> “Duplicated Symbol” means above? “nm” command result should not have same >>> result? >>> >>> AND Is it the problem of google product? Not of ffmpeg? >> >> I found the followings: >> >> 1.Changing to OS environment is not related. >> 2.Rollback both library, i.e. libvpx.a and libaom.a to previous success >> (Aug. 17, 2018) gives ffmpeg without error. >> (Ffmpeg is git head) >> >> So there must be something wrong with both library… But may hard to find >> out the criminal since the good-day is 54 days before. > > I have confirmed that problem is on the libaom side. > > Issue 2196 https://bugs.chromium.org/p/aomedia/issues/detail?id=2196&q= > > is the exactly same issue what I have encountered. > > So currently, if you build static ffmpeg using both libvpx and libaom, you > will be have to rollback local git head to before commit 7cae98f. > > You can find out the commit to rollback at > https://aomedia.googlesource.com/aom/+log
The issue “duplicated symbol” have solved on libaom’s commit cf64444. https://bugs.chromium.org/p/aomedia/issues/detail?id=2196#c7 So no need to rollback anymore!! Best Regards, // Miya aka. TougenRoushi _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".