Build output check failed: Regex: 'command line option .* is valid for .* but not for C\+\+' Output line: 'cc1plus: warning: command line option '-Wmissing-prototypes' is valid for C/ObjC but not for C++' Compilation failed: source file: '/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp/src.cxx' check option: ' -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes' ===== BUILD LOG ===== Change Dir: /home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_893dd/fast && make[1]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_893dd.dir/build.make CMakeFiles/cmTC_893dd.dir/build make[2]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_893dd.dir/src.cxx.o /home/buildroot/autobuild/run/instance-2/output-1/host/bin/powerpc-buildroot-linux-uclibc-g++ --sysroot=/home/buildroot/autobuild/run/instance-2/output-1/host/powerpc-buildroot-linux-uclibc/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g2 -D__STDC_LIMIT_MACROS -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -o CMakeFiles/cmTC_893dd.dir/src.cxx.o -c /home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp/src.cxx cc1plus: warning: command line option '-Wmissing-prototypes' is valid for C/ObjC but not for C++ /home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp/src.cxx:1: warning: ignoring #pragma [-Wunknown-pragmas] 1 | #pragma | Linking CXX executable cmTC_893dd /home/buildroot/autobuild/run/instance-2/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_893dd.dir/link.txt --verbose=1 /home/buildroot/autobuild/run/instance-2/output-1/host/bin/powerpc-buildroot-linux-uclibc-g++ --sysroot=/home/buildroot/autobuild/run/instance-2/output-1/host/powerpc-buildroot-linux-uclibc/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g2 -D__STDC_LIMIT_MACROS CMakeFiles/cmTC_893dd.dir/src.cxx.o -o cmTC_893dd make[2]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp' make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp' ===== END ===== Build output check failed: Regex: 'command line option .* is valid for .* but not for C\+\+' Output line: 'cc1plus: warning: command line option '-Wstrict-prototypes' is valid for C/ObjC but not for C++' Compilation failed: source file: '/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp/src.cxx' check option: ' -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wstrict-prototypes' ===== BUILD LOG ===== Change Dir: /home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_17f4c/fast && make[1]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_17f4c.dir/build.make CMakeFiles/cmTC_17f4c.dir/build make[2]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_17f4c.dir/src.cxx.o /home/buildroot/autobuild/run/instance-2/output-1/host/bin/powerpc-buildroot-linux-uclibc-g++ --sysroot=/home/buildroot/autobuild/run/instance-2/output-1/host/powerpc-buildroot-linux-uclibc/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g2 -D__STDC_LIMIT_MACROS -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wstrict-prototypes -o CMakeFiles/cmTC_17f4c.dir/src.cxx.o -c /home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp/src.cxx cc1plus: warning: command line option '-Wstrict-prototypes' is valid for C/ObjC but not for C++ /home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp/src.cxx:1: warning: ignoring #pragma [-Wunknown-pragmas] 1 | #pragma | Linking CXX executable cmTC_17f4c /home/buildroot/autobuild/run/instance-2/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_17f4c.dir/link.txt --verbose=1 /home/buildroot/autobuild/run/instance-2/output-1/host/bin/powerpc-buildroot-linux-uclibc-g++ --sysroot=/home/buildroot/autobuild/run/instance-2/output-1/host/powerpc-buildroot-linux-uclibc/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g2 -D__STDC_LIMIT_MACROS CMakeFiles/cmTC_17f4c.dir/src.cxx.o -o cmTC_17f4c make[2]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp' make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp' ===== END ===== Build output check failed: Regex: 'command line option .* is valid for .* but not for C' Output line: 'cc1: warning: command line option '-Wsign-promo' is valid for C++/ObjC++ but not for C' Compilation failed: source file: '/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp/src.c' check option: ' -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 -Wsign-promo' ===== BUILD LOG ===== Change Dir: /home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_b6329/fast && make[1]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_b6329.dir/build.make CMakeFiles/cmTC_b6329.dir/build make[2]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_b6329.dir/src.c.o /home/buildroot/autobuild/run/instance-2/output-1/host/bin/powerpc-buildroot-linux-uclibc-gcc --sysroot=/home/buildroot/autobuild/run/instance-2/output-1/host/powerpc-buildroot-linux-uclibc/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g2 -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 -Wsign-promo -o CMakeFiles/cmTC_b6329.dir/src.c.o -c /home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp/src.c cc1: warning: '-Werror=' argument '-Werror=non-virtual-dtor' is not valid for C cc1: warning: command line option '-Wsign-promo' is valid for C++/ObjC++ but not for C /home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp/src.c:1: warning: ignoring #pragma [-Wunknown-pragmas] 1 | #pragma | Linking C executable cmTC_b6329 /home/buildroot/autobuild/run/instance-2/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_b6329.dir/link.txt --verbose=1 /home/buildroot/autobuild/run/instance-2/output-1/host/bin/powerpc-buildroot-linux-uclibc-gcc --sysroot=/home/buildroot/autobuild/run/instance-2/output-1/host/powerpc-buildroot-linux-uclibc/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g2 CMakeFiles/cmTC_b6329.dir/src.c.o -o cmTC_b6329 make[2]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp' make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp' ===== END ===== Build output check failed: Regex: 'command line option .* is valid for .* but not for C' Output line: 'cc1: warning: command line option '-Wno-delete-non-virtual-dtor' is valid for C++/ObjC++ but not for C' Compilation failed: source file: '/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp/src.c' check option: ' -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 -Wno-narrowing -Wno-delete-non-virtual-dtor' ===== BUILD LOG ===== Change Dir: /home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_ee369/fast && make[1]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_ee369.dir/build.make CMakeFiles/cmTC_ee369.dir/build make[2]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_ee369.dir/src.c.o /home/buildroot/autobuild/run/instance-2/output-1/host/bin/powerpc-buildroot-linux-uclibc-gcc --sysroot=/home/buildroot/autobuild/run/instance-2/output-1/host/powerpc-buildroot-linux-uclibc/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g2 -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 -Wno-narrowing -Wno-delete-non-virtual-dtor -o CMakeFiles/cmTC_ee369.dir/src.c.o -c /home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp/src.c cc1: warning: '-Werror=' argument '-Werror=non-virtual-dtor' is not valid for C cc1: warning: command line option '-Wno-delete-non-virtual-dtor' is valid for C++/ObjC++ but not for C /home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp/src.c:1: warning: ignoring #pragma [-Wunknown-pragmas] 1 | #pragma | Linking C executable cmTC_ee369 /home/buildroot/autobuild/run/instance-2/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_ee369.dir/link.txt --verbose=1 /home/buildroot/autobuild/run/instance-2/output-1/host/bin/powerpc-buildroot-linux-uclibc-gcc --sysroot=/home/buildroot/autobuild/run/instance-2/output-1/host/powerpc-buildroot-linux-uclibc/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g2 CMakeFiles/cmTC_ee369.dir/src.c.o -o cmTC_ee369 make[2]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp' make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp' ===== END ===== Build output check failed: Regex: 'unrecognized .*option' Output line: 'cc1plus: warning: unrecognized command line option '-Wno-unnamed-type-template-args'' Compilation failed: source file: '/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp/src.cxx' check option: ' -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 -Wno-narrowing -Wno-delete-non-virtual-dtor -Wno-unnamed-type-template-args' ===== BUILD LOG ===== Change Dir: /home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_f1635/fast && make[1]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_f1635.dir/build.make CMakeFiles/cmTC_f1635.dir/build make[2]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_f1635.dir/src.cxx.o /home/buildroot/autobuild/run/instance-2/output-1/host/bin/powerpc-buildroot-linux-uclibc-g++ --sysroot=/home/buildroot/autobuild/run/instance-2/output-1/host/powerpc-buildroot-linux-uclibc/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g2 -D__STDC_LIMIT_MACROS -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 -Wno-narrowing -Wno-delete-non-virtual-dtor -Wno-unnamed-type-template-args -o CMakeFiles/cmTC_f1635.dir/src.cxx.o -c /home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp/src.cxx /home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp/src.cxx:1: warning: ignoring #pragma [-Wunknown-pragmas] 1 | #pragma | cc1plus: warning: unrecognized command line option '-Wno-unnamed-type-template-args' Linking CXX executable cmTC_f1635 /home/buildroot/autobuild/run/instance-2/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_f1635.dir/link.txt --verbose=1 /home/buildroot/autobuild/run/instance-2/output-1/host/bin/powerpc-buildroot-linux-uclibc-g++ --sysroot=/home/buildroot/autobuild/run/instance-2/output-1/host/powerpc-buildroot-linux-uclibc/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g2 -D__STDC_LIMIT_MACROS CMakeFiles/cmTC_f1635.dir/src.cxx.o -o cmTC_f1635 make[2]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp' make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp' ===== END ===== Build output check failed: Regex: 'unrecognized .*option' Output line: 'cc1: warning: unrecognized command line option '-Wno-unnamed-type-template-args'' Compilation failed: source file: '/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp/src.c' check option: ' -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 -Wno-narrowing -Wno-unnamed-type-template-args' ===== BUILD LOG ===== Change Dir: /home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_5c54d/fast && make[1]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_5c54d.dir/build.make CMakeFiles/cmTC_5c54d.dir/build make[2]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_5c54d.dir/src.c.o /home/buildroot/autobuild/run/instance-2/output-1/host/bin/powerpc-buildroot-linux-uclibc-gcc --sysroot=/home/buildroot/autobuild/run/instance-2/output-1/host/powerpc-buildroot-linux-uclibc/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g2 -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 -Wno-narrowing -Wno-unnamed-type-template-args -o CMakeFiles/cmTC_5c54d.dir/src.c.o -c /home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp/src.c cc1: warning: '-Werror=' argument '-Werror=non-virtual-dtor' is not valid for C /home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp/src.c:1: warning: ignoring #pragma [-Wunknown-pragmas] 1 | #pragma | cc1: warning: unrecognized command line option '-Wno-unnamed-type-template-args' Linking C executable cmTC_5c54d /home/buildroot/autobuild/run/instance-2/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_5c54d.dir/link.txt --verbose=1 /home/buildroot/autobuild/run/instance-2/output-1/host/bin/powerpc-buildroot-linux-uclibc-gcc --sysroot=/home/buildroot/autobuild/run/instance-2/output-1/host/powerpc-buildroot-linux-uclibc/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g2 CMakeFiles/cmTC_5c54d.dir/src.c.o -o cmTC_5c54d make[2]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp' make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp' ===== END ===== Determining if the include file /home/buildroot/autobuild/run/instance-2/output-1/host/powerpc-buildroot-linux-uclibc/sysroot/usr/include/libpng/png.h exists failed with the following output: Change Dir: /home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_ccaa7/fast && make[1]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_ccaa7.dir/build.make CMakeFiles/cmTC_ccaa7.dir/build make[2]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_ccaa7.dir/CheckIncludeFile.c.o /home/buildroot/autobuild/run/instance-2/output-1/host/bin/powerpc-buildroot-linux-uclibc-gcc --sysroot=/home/buildroot/autobuild/run/instance-2/output-1/host/powerpc-buildroot-linux-uclibc/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g2 -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 -Wno-narrowing -Wno-comment -Wno-array-bounds -Wno-aggressive-loop-optimizations -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -o CMakeFiles/cmTC_ccaa7.dir/CheckIncludeFile.c.o -c /home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp/CheckIncludeFile.c cc1: warning: '-Werror=' argument '-Werror=non-virtual-dtor' is not valid for C /home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp/CheckIncludeFile.c:1:10: fatal error: /home/buildroot/autobuild/run/instance-2/output-1/host/powerpc-buildroot-linux-uclibc/sysroot/usr/include/libpng/png.h: No such file or directory 1 | #include | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ compilation terminated. make[2]: *** [CMakeFiles/cmTC_ccaa7.dir/CheckIncludeFile.c.o] Error 1 make[2]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp' make[1]: *** [cmTC_ccaa7/fast] Error 2 make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/opencv-2.4.13.7/buildroot-build/CMakeFiles/CMakeTmp'