Compilation failed:
    source file: '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cxx11.cpp'
    check option: ''
===== BUILD LOG =====
Change Dir: /home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_66a90/fast && make[1]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_66a90.dir/build.make CMakeFiles/cmTC_66a90.dir/build
make[2]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_66a90.dir/cxx11.cpp.o
/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-linux-g++ --sysroot=/home/buildroot/autobuild/instance-2/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot    -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -DCV__EXCEPTION_PTR=0   -DNDEBUG -fPIE   -o CMakeFiles/cmTC_66a90.dir/cxx11.cpp.o -c /home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cxx11.cpp
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cxx11.cpp:4:2: error: #error "C++11 is not supported"
 #error "C++11 is not supported"
  ^
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cxx11.cpp: In function 'int main()':
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cxx11.cpp:11:10: error: 'res' does not name a type
     auto res = test();
          ^
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cxx11.cpp:12:12: error: 'res' was not declared in this scope
     return res;
            ^
CMakeFiles/cmTC_66a90.dir/build.make:65: recipe for target 'CMakeFiles/cmTC_66a90.dir/cxx11.cpp.o' failed
make[2]: *** [CMakeFiles/cmTC_66a90.dir/cxx11.cpp.o] Error 1
make[2]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
Makefile:121: recipe for target 'cmTC_66a90/fast' failed
make[1]: *** [cmTC_66a90/fast] Error 2
make[1]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/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 '-Wmissing-prototypes' is valid for C/ObjC but not for C++'
Compilation failed:
    source file: '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp/src.cxx'
    check option: ' -fsigned-char -ffast-math -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/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_b6f7b/fast && make[1]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_b6f7b.dir/build.make CMakeFiles/cmTC_b6f7b.dir/build
make[2]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_b6f7b.dir/src.cxx.o
/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-linux-g++ --sysroot=/home/buildroot/autobuild/instance-2/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot    -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -DCV__EXCEPTION_PTR=0   -DNDEBUG -fPIE    -fsigned-char -ffast-math -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_b6f7b.dir/src.cxx.o -c /home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/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/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp/src.cxx:1:0: warning: ignoring #pragma   [-Wunknown-pragmas]
 #pragma
 ^
Linking CXX executable cmTC_b6f7b
/home/buildroot/autobuild/instance-2/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_b6f7b.dir/link.txt --verbose=1
/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-linux-g++ --sysroot=/home/buildroot/autobuild/instance-2/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -DCV__EXCEPTION_PTR=0   -DNDEBUG    CMakeFiles/cmTC_b6f7b.dir/src.cxx.o  -o cmTC_b6f7b 
make[2]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
make[1]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/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:
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    check option: ' -fsigned-char -ffast-math -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/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_34f14/fast && make[1]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_34f14.dir/build.make CMakeFiles/cmTC_34f14.dir/build
make[2]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_34f14.dir/src.cxx.o
/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-linux-g++ --sysroot=/home/buildroot/autobuild/instance-2/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot    -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -DCV__EXCEPTION_PTR=0   -DNDEBUG -fPIE    -fsigned-char -ffast-math -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_34f14.dir/src.cxx.o -c /home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/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/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp/src.cxx:1:0: warning: ignoring #pragma   [-Wunknown-pragmas]
 #pragma
 ^
Linking CXX executable cmTC_34f14
/home/buildroot/autobuild/instance-2/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_34f14.dir/link.txt --verbose=1
/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-linux-g++ --sysroot=/home/buildroot/autobuild/instance-2/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -DCV__EXCEPTION_PTR=0   -DNDEBUG    CMakeFiles/cmTC_34f14.dir/src.cxx.o  -o cmTC_34f14 
make[2]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
make[1]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'


===== END =====

Build output check failed:
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    Output line: 'cc1: warning: command line option '-Wsign-promo' is valid for C++/ObjC++ but not for C'
Compilation failed:
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    check option: ' -fsigned-char -ffast-math -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/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_e857f/fast && make[1]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_e857f.dir/build.make CMakeFiles/cmTC_e857f.dir/build
make[2]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_e857f.dir/src.c.o
/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-linux-gcc --sysroot=/home/buildroot/autobuild/instance-2/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os   -DNDEBUG -fPIE    -fsigned-char -ffast-math -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_e857f.dir/src.c.o   -c /home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp/src.c
cc1: warning: command line option '-Wsign-promo' is valid for C++/ObjC++ but not for C
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp/src.c:1:0: warning: ignoring #pragma   [-Wunknown-pragmas]
 #pragma
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Linking C executable cmTC_e857f
/home/buildroot/autobuild/instance-2/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_e857f.dir/link.txt --verbose=1
/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-linux-gcc --sysroot=/home/buildroot/autobuild/instance-2/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os   -DNDEBUG    CMakeFiles/cmTC_e857f.dir/src.c.o  -o cmTC_e857f 
make[2]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
make[1]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/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:
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    check option: ' -fsigned-char -ffast-math -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-delete-non-virtual-dtor'
===== BUILD LOG =====
Change Dir: /home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_efc9e/fast && make[1]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_efc9e.dir/build.make CMakeFiles/cmTC_efc9e.dir/build
make[2]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_efc9e.dir/src.c.o
/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-linux-gcc --sysroot=/home/buildroot/autobuild/instance-2/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os   -DNDEBUG -fPIE    -fsigned-char -ffast-math -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-delete-non-virtual-dtor -o CMakeFiles/cmTC_efc9e.dir/src.c.o   -c /home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp/src.c
cc1: warning: command line option '-Wno-delete-non-virtual-dtor' is valid for C++/ObjC++ but not for C
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp/src.c:1:0: warning: ignoring #pragma   [-Wunknown-pragmas]
 #pragma
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Linking C executable cmTC_efc9e
/home/buildroot/autobuild/instance-2/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_efc9e.dir/link.txt --verbose=1
/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-linux-gcc --sysroot=/home/buildroot/autobuild/instance-2/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os   -DNDEBUG    CMakeFiles/cmTC_efc9e.dir/src.c.o  -o cmTC_efc9e 
make[2]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
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Build output check failed:
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Compilation failed:
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===== BUILD LOG =====
Change Dir: /home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_bddbc/fast && make[1]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_bddbc.dir/build.make CMakeFiles/cmTC_bddbc.dir/build
make[2]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_bddbc.dir/src.cxx.o
/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-linux-g++ --sysroot=/home/buildroot/autobuild/instance-2/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot    -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -DCV__EXCEPTION_PTR=0   -DNDEBUG -fPIE    -fsigned-char -ffast-math -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-delete-non-virtual-dtor  -Wno-unnamed-type-template-args -o CMakeFiles/cmTC_bddbc.dir/src.cxx.o -c /home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp/src.cxx
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp/src.cxx:1:0: warning: ignoring #pragma   [-Wunknown-pragmas]
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cc1plus: warning: unrecognized command line option '-Wno-unnamed-type-template-args'
Linking CXX executable cmTC_bddbc
/home/buildroot/autobuild/instance-2/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_bddbc.dir/link.txt --verbose=1
/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-linux-g++ --sysroot=/home/buildroot/autobuild/instance-2/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -DCV__EXCEPTION_PTR=0   -DNDEBUG    CMakeFiles/cmTC_bddbc.dir/src.cxx.o  -o cmTC_bddbc 
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Build output check failed:
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    Output line: 'cc1: warning: unrecognized command line option '-Wno-unnamed-type-template-args''
Compilation failed:
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    check option: ' -fsigned-char -ffast-math -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-unnamed-type-template-args'
===== BUILD LOG =====
Change Dir: /home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_e6904/fast && make[1]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_e6904.dir/build.make CMakeFiles/cmTC_e6904.dir/build
make[2]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_e6904.dir/src.c.o
/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-linux-gcc --sysroot=/home/buildroot/autobuild/instance-2/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os   -DNDEBUG -fPIE    -fsigned-char -ffast-math -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-unnamed-type-template-args -o CMakeFiles/cmTC_e6904.dir/src.c.o   -c /home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp/src.c
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp/src.c:1:0: warning: ignoring #pragma   [-Wunknown-pragmas]
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cc1: warning: unrecognized command line option '-Wno-unnamed-type-template-args'
Linking C executable cmTC_e6904
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/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-linux-gcc --sysroot=/home/buildroot/autobuild/instance-2/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os   -DNDEBUG    CMakeFiles/cmTC_e6904.dir/src.c.o  -o cmTC_e6904 
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    source file: '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_neon.cpp'
    check option: ''
===== BUILD LOG =====
Change Dir: /home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_4710f/fast && make[1]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_4710f.dir/build.make CMakeFiles/cmTC_4710f.dir/build
make[2]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_4710f.dir/cpu_neon.cpp.o
/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-linux-g++ --sysroot=/home/buildroot/autobuild/instance-2/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot    -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -DCV__EXCEPTION_PTR=0   -DNDEBUG -fPIE   -o CMakeFiles/cmTC_4710f.dir/cpu_neon.cpp.o -c /home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_neon.cpp
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_neon.cpp:24:2: error: #error "NEON is not supported"
 #error "NEON is not supported"
  ^
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_neon.cpp:13:30: error: 'uint8x16_t' does not name a type
 void test_aliased_type(const uint8x16_t& a) { }
                              ^
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_neon.cpp:14:30: error: 'int8x16_t' does not name a type
 void test_aliased_type(const int8x16_t& a) { }
                              ^
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_neon.cpp: In function 'void test_aliased_type(const int&)':
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_neon.cpp:14:6: error: redefinition of 'void test_aliased_type(const int&)'
 void test_aliased_type(const int8x16_t& a) { }
      ^
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_neon.cpp:13:6: note: 'void test_aliased_type(const int&)' previously defined here
 void test_aliased_type(const uint8x16_t& a) { }
      ^
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_neon.cpp: In function 'int main()':
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_neon.cpp:29:23: error: 'test' was not declared in this scope
   printf("%d\n", test());
                       ^
CMakeFiles/cmTC_4710f.dir/build.make:65: recipe for target 'CMakeFiles/cmTC_4710f.dir/cpu_neon.cpp.o' failed
make[2]: *** [CMakeFiles/cmTC_4710f.dir/cpu_neon.cpp.o] Error 1
make[2]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
Makefile:121: recipe for target 'cmTC_4710f/fast' failed
make[1]: *** [cmTC_4710f/fast] Error 2
make[1]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'


===== END =====

Compilation failed:
    source file: '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_neon.cpp'
    check option: ' -mfpu=neon'
===== BUILD LOG =====
Change Dir: /home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_8ab66/fast && make[1]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_8ab66.dir/build.make CMakeFiles/cmTC_8ab66.dir/build
make[2]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_8ab66.dir/cpu_neon.cpp.o
/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-linux-g++ --sysroot=/home/buildroot/autobuild/instance-2/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot    -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -DCV__EXCEPTION_PTR=0   -DNDEBUG -fPIE    -mfpu=neon -o CMakeFiles/cmTC_8ab66.dir/cpu_neon.cpp.o -c /home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_neon.cpp
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_neon.cpp:24:2: error: #error "NEON is not supported"
 #error "NEON is not supported"
  ^
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_neon.cpp:13:30: error: 'uint8x16_t' does not name a type
 void test_aliased_type(const uint8x16_t& a) { }
                              ^
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_neon.cpp:14:30: error: 'int8x16_t' does not name a type
 void test_aliased_type(const int8x16_t& a) { }
                              ^
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_neon.cpp: In function 'void test_aliased_type(const int&)':
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_neon.cpp:14:6: error: redefinition of 'void test_aliased_type(const int&)'
 void test_aliased_type(const int8x16_t& a) { }
      ^
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_neon.cpp:13:6: note: 'void test_aliased_type(const int&)' previously defined here
 void test_aliased_type(const uint8x16_t& a) { }
      ^
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_neon.cpp: In function 'int main()':
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_neon.cpp:29:23: error: 'test' was not declared in this scope
   printf("%d\n", test());
                       ^
CMakeFiles/cmTC_8ab66.dir/build.make:65: recipe for target 'CMakeFiles/cmTC_8ab66.dir/cpu_neon.cpp.o' failed
make[2]: *** [CMakeFiles/cmTC_8ab66.dir/cpu_neon.cpp.o] Error 1
make[2]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
Makefile:121: recipe for target 'cmTC_8ab66/fast' failed
make[1]: *** [cmTC_8ab66/fast] Error 2
make[1]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'


===== END =====

Compilation failed:
    source file: '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_fp16.cpp'
    check option: ''
===== BUILD LOG =====
Change Dir: /home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_5f1de/fast && make[1]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_5f1de.dir/build.make CMakeFiles/cmTC_5f1de.dir/build
make[2]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_5f1de.dir/cpu_fp16.cpp.o
/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-linux-g++ --sysroot=/home/buildroot/autobuild/instance-2/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot    -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -DCV__EXCEPTION_PTR=0   -DNDEBUG -fPIE   -o CMakeFiles/cmTC_5f1de.dir/cpu_fp16.cpp.o -c /home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_fp16.cpp
In file included from /home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_fp16.cpp:15:0:
/home/buildroot/autobuild/instance-2/output-1/host/opt/ext-toolchain/lib/gcc/arm-buildroot-linux-uclibcgnueabi/5.5.0/include/arm_neon.h:31:2: error: #error You must enable NEON instructions (e.g. -mfloat-abi=softfp -mfpu=neon) to use arm_neon.h
 #error You must enable NEON instructions (e.g. -mfloat-abi=softfp -mfpu=neon) to use arm_neon.h
  ^
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_fp16.cpp: In function 'int test()':
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_fp16.cpp:20:5: error: 'float32x4_t' was not declared in this scope
     float32x4_t v_src = *(float32x4_t*)src;
     ^
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_fp16.cpp:21:5: error: 'float16x4_t' was not declared in this scope
     float16x4_t v_dst = vcvt_f16_f32(v_src);
     ^
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_fp16.cpp:22:19: error: expected primary-expression before ')' token
     *(float16x4_t*)dst = v_dst;
                   ^
CMakeFiles/cmTC_5f1de.dir/build.make:65: recipe for target 'CMakeFiles/cmTC_5f1de.dir/cpu_fp16.cpp.o' failed
make[2]: *** [CMakeFiles/cmTC_5f1de.dir/cpu_fp16.cpp.o] Error 1
make[2]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
Makefile:121: recipe for target 'cmTC_5f1de/fast' failed
make[1]: *** [cmTC_5f1de/fast] Error 2
make[1]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'


===== END =====

Compilation failed:
    source file: '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_fp16.cpp'
    check option: ' -mfpu=neon-fp16 -mfp16-format=ieee'
===== BUILD LOG =====
Change Dir: /home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_158c6/fast && make[1]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_158c6.dir/build.make CMakeFiles/cmTC_158c6.dir/build
make[2]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_158c6.dir/cpu_fp16.cpp.o
/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-linux-g++ --sysroot=/home/buildroot/autobuild/instance-2/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot    -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -DCV__EXCEPTION_PTR=0   -DNDEBUG -fPIE    -mfpu=neon-fp16 -mfp16-format=ieee -o CMakeFiles/cmTC_158c6.dir/cpu_fp16.cpp.o -c /home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_fp16.cpp
In file included from /home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_fp16.cpp:15:0:
/home/buildroot/autobuild/instance-2/output-1/host/opt/ext-toolchain/lib/gcc/arm-buildroot-linux-uclibcgnueabi/5.5.0/include/arm_neon.h:31:2: error: #error You must enable NEON instructions (e.g. -mfloat-abi=softfp -mfpu=neon) to use arm_neon.h
 #error You must enable NEON instructions (e.g. -mfloat-abi=softfp -mfpu=neon) to use arm_neon.h
  ^
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_fp16.cpp: In function 'int test()':
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_fp16.cpp:20:5: error: 'float32x4_t' was not declared in this scope
     float32x4_t v_src = *(float32x4_t*)src;
     ^
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_fp16.cpp:21:5: error: 'float16x4_t' was not declared in this scope
     float16x4_t v_dst = vcvt_f16_f32(v_src);
     ^
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/cmake/checks/cpu_fp16.cpp:22:19: error: expected primary-expression before ')' token
     *(float16x4_t*)dst = v_dst;
                   ^
CMakeFiles/cmTC_158c6.dir/build.make:65: recipe for target 'CMakeFiles/cmTC_158c6.dir/cpu_fp16.cpp.o' failed
make[2]: *** [CMakeFiles/cmTC_158c6.dir/cpu_fp16.cpp.o] Error 1
make[2]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
Makefile:121: recipe for target 'cmTC_158c6/fast' failed
make[1]: *** [cmTC_158c6/fast] Error 2
make[1]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/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 '-fvisibility-inlines-hidden' is valid for C++/ObjC++ but not for C'
Compilation failed:
    source file: '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp/src.c'
    check option: ' -fsigned-char -ffast-math -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-comment -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections  -fvisibility=hidden  -fvisibility-inlines-hidden'
===== BUILD LOG =====
Change Dir: /home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_23685/fast && make[1]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_23685.dir/build.make CMakeFiles/cmTC_23685.dir/build
make[2]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_23685.dir/src.c.o
/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-linux-gcc --sysroot=/home/buildroot/autobuild/instance-2/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os   -DNDEBUG -fPIE    -fsigned-char -ffast-math -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-comment -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections  -fvisibility=hidden  -fvisibility-inlines-hidden -o CMakeFiles/cmTC_23685.dir/src.c.o   -c /home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp/src.c
cc1: warning: command line option '-fvisibility-inlines-hidden' is valid for C++/ObjC++ but not for C
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp/src.c:1:0: warning: ignoring #pragma   [-Wunknown-pragmas]
 #pragma
 ^
Linking C executable cmTC_23685
/home/buildroot/autobuild/instance-2/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_23685.dir/link.txt --verbose=1
/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-linux-gcc --sysroot=/home/buildroot/autobuild/instance-2/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os   -DNDEBUG    CMakeFiles/cmTC_23685.dir/src.c.o  -o cmTC_23685 
make[2]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
make[1]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'


===== END =====

Build output check failed:
    Regex: 'unrecognized .*option'
    Output line: 'cc1: warning: unrecognized command line option '-Wno-implicit-fallthrough''
Compilation failed:
    source file: '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp/src.c'
    check option: ' -Wno-implicit-fallthrough'
===== BUILD LOG =====
Change Dir: /home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_dfc28/fast && make[1]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_dfc28.dir/build.make CMakeFiles/cmTC_dfc28.dir/build
make[2]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_dfc28.dir/src.c.o
/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-linux-gcc --sysroot=/home/buildroot/autobuild/instance-2/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os   -fsigned-char -ffast-math -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-comment -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections  -fvisibility=hidden   -DNDEBUG -fPIE    -Wno-implicit-fallthrough -o CMakeFiles/cmTC_dfc28.dir/src.c.o   -c /home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp/src.c
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp/src.c:1:0: warning: ignoring #pragma   [-Wunknown-pragmas]
 #pragma
 ^
cc1: warning: unrecognized command line option '-Wno-implicit-fallthrough'
Linking C executable cmTC_dfc28
/home/buildroot/autobuild/instance-2/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_dfc28.dir/link.txt --verbose=1
/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-linux-gcc --sysroot=/home/buildroot/autobuild/instance-2/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os   -fsigned-char -ffast-math -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-comment -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections  -fvisibility=hidden   -DNDEBUG    -Wl,--gc-sections  CMakeFiles/cmTC_dfc28.dir/src.c.o  -o cmTC_dfc28 
make[2]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
make[1]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/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 '-Wno-missing-prototypes' is valid for C/ObjC but not for C++'
Compilation failed:
    source file: '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp/src.cxx'
    check option: ' -Wno-missing-prototypes'
===== BUILD LOG =====
Change Dir: /home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_eec1b/fast && make[1]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_eec1b.dir/build.make CMakeFiles/cmTC_eec1b.dir/build
make[2]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_eec1b.dir/src.cxx.o
/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-linux-g++ --sysroot=/home/buildroot/autobuild/instance-2/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot    -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -DCV__EXCEPTION_PTR=0   -fsigned-char -ffast-math -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-delete-non-virtual-dtor -Wno-comment -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections  -fvisibility=hidden -fvisibility-inlines-hidden -Wno-deprecated   -DNDEBUG -fPIE    -Wno-missing-prototypes -o CMakeFiles/cmTC_eec1b.dir/src.cxx.o -c /home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp/src.cxx
cc1plus: warning: command line option '-Wno-missing-prototypes' is valid for C/ObjC but not for C++
/home/buildroot/autobuild/instance-2/output-1/build/opencv3-3.4.9/buildroot-build/CMakeFiles/CMakeTmp/src.cxx:1:0: warning: ignoring #pragma   [-Wunknown-pragmas]
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Linking CXX executable cmTC_eec1b
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