lavformat -lxcb -lX11 -lm -llzma -lz -lavcodec -lswresample -lswscale Wl,-rpath,/usr/local/lib:/home/guilmort/ffmpeg_build/lib -rdynamic ffunction-sections -msse -msse2 -msse3 -fvisibility=hiddenĬMakeFiles/cmTC_846ee.dir/ffmpeg_ -o cmTC_846ee -L/usr/local/lib fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer Wno-narrowing -Wno-delete-non-virtual-dtor -Wno-comment Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Winit-self Werror=format-security -Wmissing-declarations -Wundef -Winit-self Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat usr/bin/c++ -fsigned-char -W -Wall -Werror=return-type usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_846ee.dir/link.txt home/guilmort/opencv-3.3.1/cmake/checks/ffmpeg_test.cpp msse2 -msse3 -fvisibility=hidden -fvisibility-inlines-hidden -O3 -DNDEBUG Wno-long-long -pthread -fomit-frame-pointer -ffunction-sections -msse Wno-delete-non-virtual-dtor -Wno-comment -fdiagnostics-show-option Wsign-promo -Wuninitialized -Winit-self -Wno-narrowing Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow Werror=address -Werror=sequence-point -Wformat -Werror=format-security fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor usr/bin/c++ -I/usr/local/include -I/home/guilmort/ffmpeg_build/include '/home/guilmort/opencv-3.3.1/build/CMakeFiles/CMakeTmp'īuilding CXX object CMakeFiles/cmTC_846ee.dir/ffmpeg_ Then I modified opencv cmake/OpenCVFindLibsVideo.cmake:239 in order to check for FFMPEG fatal compilation errors and I got : make: Entering directory configure -prefix='$HOME/ffmpeg_build' -pkg-config-flags='-static' -extra-cflags='-I$HOME/ffmpeg_build/include' -extra-ldflags='-L$HOME/ffmpeg_build/lib' -extra-libs='-lpthread -lm' -bindir='$HOME/bin' -enable-gpl -enable-libass -enable-libfdk-aac -enable-libfreetype -enable-libmp3lame -enable-libopus -enable-libtheora -enable-libvorbis -enable-libvpx -enable-libx264 -enable-libx265 -enable-nonfree -enable-pic -enable-avresample Several hours now spent for still cannot use opencv with mp4 files.

Ffmpeg build configure options