fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Winit-self -Wno-narrowing -Wno-delete-non-virtual-dtor -Wno-comment -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -mfp16-format=ieee -fvisibility=hidden -fvisibility-inlines-hidden -O3 -DNDEBUG -DNDEBUGĬ++ flags (Debug): -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Winit-self -Wno-narrowing -Wno-delete-non-virtual-dtor -Wno-comment -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -mfp16-format=ieee -fvisibility=hidden -fvisibility-inlines-hidden -g -O0 -DDEBUG -D_DEBUGĬ flags (Release): -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Winit-self -Wno-narrowing -Wno-comment -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -mfp16-format=ieee -fvisibility=hidden -O3 -DNDEBUG -DNDEBUGĬ flags (Debug): -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Winit-self -Wno-narrowing -Wno-comment -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -mfp16-format=ieee -fvisibility=hidden -g -O0 -DDEBUG -D_DEBUG General configuration for OpenCV 3.4.0-dev
#Ffmpeg build rpi install#
Looks like there is some conflict with x264 library (you can install it later once you are done with OpenCV build), remove that library then install gstreamer sudo apt-get install gstreamer1.0 I also tried remove all those libraries and building opencv source with ffmpeg and contrib (yet build crashes at 23% for opencv 3.4 and 39% for opencv 3.3)
(prerequisite libraries before building) I installed all libraries (mentioned in below link) Makefile:160: recipe for target 'all' failed make: *** Error 2 Recipe for target 'modules/videoio/CMakeFiles/opencv_videoio.dir/all' Modules/videoio/CMakeFiles/opencv_videoio.dir/build.make:228: recipeįor target 'lib/libopencv_videoio.so.3.3.0' failed make: * R_ARM_MOVW_ABS_NC against `a local symbol' can not be used when makingĪ shared object recompile with -fPIC /usr/local/lib/libx264.a: errorĪdding symbols: Bad value collect2: error: ld returned 1 exit status usr/bin/ld: /usr/local/lib/libx264.a(common.o): relocation Operating System / Platform => raspberry pi 3 model B(debian).