Compilation failed:
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    check option: ''
===== BUILD LOG =====
Change Dir: /data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_dc6b6/fast && make[1]: Entering directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_dc6b6.dir/build.make CMakeFiles/cmTC_dc6b6.dir/build
make[2]: Entering directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_dc6b6.dir/cxx11.cpp.o
/data/buildroot-test/instance-1/output-1/host/bin/arm-none-linux-gnueabi-g++ --sysroot=/data/buildroot-test/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot    -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -latomic   -DNDEBUG -fPIE   -o CMakeFiles/cmTC_dc6b6.dir/cxx11.cpp.o -c /data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/cmake/checks/cxx11.cpp
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/cmake/checks/cxx11.cpp:4:2: error: #error "C++11 is not supported"
 #error "C++11 is not supported"
  ^
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/cmake/checks/cxx11.cpp: In function 'int main()':
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/cmake/checks/cxx11.cpp:11:10: error: 'res' does not name a type
     auto res = test();
          ^
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/cmake/checks/cxx11.cpp:12:12: error: 'res' was not declared in this scope
     return res;
            ^
make[2]: *** [CMakeFiles/cmTC_dc6b6.dir/build.make:66: CMakeFiles/cmTC_dc6b6.dir/cxx11.cpp.o] Error 1
make[2]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
make[1]: *** [Makefile:121: cmTC_dc6b6/fast] Error 2
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===== 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++ [enabled by default]'
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'
===== BUILD LOG =====
Change Dir: /data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_e2d09/fast && make[1]: Entering directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_e2d09.dir/build.make CMakeFiles/cmTC_e2d09.dir/build
make[2]: Entering directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_e2d09.dir/src.cxx.o
/data/buildroot-test/instance-1/output-1/host/bin/arm-none-linux-gnueabi-g++ --sysroot=/data/buildroot-test/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot    -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -latomic   -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_e2d09.dir/src.cxx.o -c /data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp/src.cxx
cc1plus: warning: command line option '-Wmissing-prototypes' is valid for C/ObjC but not for C++ [enabled by default]
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp/src.cxx:1:0: warning: ignoring #pragma   [-Wunknown-pragmas]
 #pragma
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Linking CXX executable cmTC_e2d09
/data/buildroot-test/instance-1/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_e2d09.dir/link.txt --verbose=1
/data/buildroot-test/instance-1/output-1/host/bin/arm-none-linux-gnueabi-g++ --sysroot=/data/buildroot-test/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -latomic   -DNDEBUG    CMakeFiles/cmTC_e2d09.dir/src.cxx.o  -o cmTC_e2d09 
make[2]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
make[1]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/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++ [enabled by default]'
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: /data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_a247e/fast && make[1]: Entering directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_a247e.dir/build.make CMakeFiles/cmTC_a247e.dir/build
make[2]: Entering directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_a247e.dir/src.cxx.o
/data/buildroot-test/instance-1/output-1/host/bin/arm-none-linux-gnueabi-g++ --sysroot=/data/buildroot-test/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot    -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -latomic   -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_a247e.dir/src.cxx.o -c /data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp/src.cxx
cc1plus: warning: command line option '-Wstrict-prototypes' is valid for C/ObjC but not for C++ [enabled by default]
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp/src.cxx:1:0: warning: ignoring #pragma   [-Wunknown-pragmas]
 #pragma
 ^
Linking CXX executable cmTC_a247e
/data/buildroot-test/instance-1/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_a247e.dir/link.txt --verbose=1
/data/buildroot-test/instance-1/output-1/host/bin/arm-none-linux-gnueabi-g++ --sysroot=/data/buildroot-test/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -latomic   -DNDEBUG    CMakeFiles/cmTC_a247e.dir/src.cxx.o  -o cmTC_a247e 
make[2]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
make[1]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/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 [enabled by default]'
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: /data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_aaf89/fast && make[1]: Entering directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_aaf89.dir/build.make CMakeFiles/cmTC_aaf89.dir/build
make[2]: Entering directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_aaf89.dir/src.c.o
/data/buildroot-test/instance-1/output-1/host/bin/arm-none-linux-gnueabi-gcc --sysroot=/data/buildroot-test/instance-1/output-1/host/arm-buildroot-linux-gnueabi/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_aaf89.dir/src.c.o   -c /data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp/src.c
cc1: warning: command line option '-Wsign-promo' is valid for C++/ObjC++ but not for C [enabled by default]
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp/src.c:1:0: warning: ignoring #pragma   [-Wunknown-pragmas]
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Linking C executable cmTC_aaf89
/data/buildroot-test/instance-1/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_aaf89.dir/link.txt --verbose=1
/data/buildroot-test/instance-1/output-1/host/bin/arm-none-linux-gnueabi-gcc --sysroot=/data/buildroot-test/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os   -DNDEBUG    CMakeFiles/cmTC_aaf89.dir/src.c.o  -o cmTC_aaf89 
make[2]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
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===== END =====

Build output check failed:
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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: /data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_c2ff8/fast && make[1]: Entering directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_c2ff8.dir/build.make CMakeFiles/cmTC_c2ff8.dir/build
make[2]: Entering directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_c2ff8.dir/src.c.o
/data/buildroot-test/instance-1/output-1/host/bin/arm-none-linux-gnueabi-gcc --sysroot=/data/buildroot-test/instance-1/output-1/host/arm-buildroot-linux-gnueabi/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_c2ff8.dir/src.c.o   -c /data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/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 [enabled by default]
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp/src.c:1:0: warning: ignoring #pragma   [-Wunknown-pragmas]
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Linking C executable cmTC_c2ff8
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/data/buildroot-test/instance-1/output-1/host/bin/arm-none-linux-gnueabi-gcc --sysroot=/data/buildroot-test/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os   -DNDEBUG    CMakeFiles/cmTC_c2ff8.dir/src.c.o  -o cmTC_c2ff8 
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Build output check failed:
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    Output line: 'cc1plus: warning: unrecognized command line option "-Wno-unnamed-type-template-args" [enabled by default]'
Compilation failed:
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===== BUILD LOG =====
Change Dir: /data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_f7791/fast && make[1]: Entering directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_f7791.dir/build.make CMakeFiles/cmTC_f7791.dir/build
make[2]: Entering directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_f7791.dir/src.cxx.o
/data/buildroot-test/instance-1/output-1/host/bin/arm-none-linux-gnueabi-g++ --sysroot=/data/buildroot-test/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot    -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -latomic   -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_f7791.dir/src.cxx.o -c /data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp/src.cxx
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/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" [enabled by default]
Linking CXX executable cmTC_f7791
/data/buildroot-test/instance-1/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_f7791.dir/link.txt --verbose=1
/data/buildroot-test/instance-1/output-1/host/bin/arm-none-linux-gnueabi-g++ --sysroot=/data/buildroot-test/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -latomic   -DNDEBUG    CMakeFiles/cmTC_f7791.dir/src.cxx.o  -o cmTC_f7791 
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===== END =====

Build output check failed:
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    Output line: 'cc1: warning: unrecognized command line option "-Wno-unnamed-type-template-args" [enabled by default]'
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: /data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_2661f/fast && make[1]: Entering directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_2661f.dir/build.make CMakeFiles/cmTC_2661f.dir/build
make[2]: Entering directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
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/data/buildroot-test/instance-1/output-1/host/bin/arm-none-linux-gnueabi-gcc --sysroot=/data/buildroot-test/instance-1/output-1/host/arm-buildroot-linux-gnueabi/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_2661f.dir/src.c.o   -c /data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp/src.c
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/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" [enabled by default]
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/data/buildroot-test/instance-1/output-1/host/bin/arm-none-linux-gnueabi-gcc --sysroot=/data/buildroot-test/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os   -DNDEBUG    CMakeFiles/cmTC_2661f.dir/src.c.o  -o cmTC_2661f 
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===== BUILD LOG =====
Change Dir: /data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_71212/fast && make[1]: Entering directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_71212.dir/build.make CMakeFiles/cmTC_71212.dir/build
make[2]: Entering directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_71212.dir/cpu_neon.cpp.o
/data/buildroot-test/instance-1/output-1/host/bin/arm-none-linux-gnueabi-g++ --sysroot=/data/buildroot-test/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot    -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -latomic   -DNDEBUG -fPIE   -o CMakeFiles/cmTC_71212.dir/cpu_neon.cpp.o -c /data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/cmake/checks/cpu_neon.cpp
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/cmake/checks/cpu_neon.cpp:24:2: error: #error "NEON is not supported"
 #error "NEON is not supported"
  ^
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/cmake/checks/cpu_neon.cpp:13:30: error: 'uint8x16_t' does not name a type
 void test_aliased_type(const uint8x16_t& a) { }
                              ^
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/cmake/checks/cpu_neon.cpp:13:42: error: ISO C++ forbids declaration of 'a' with no type [-fpermissive]
 void test_aliased_type(const uint8x16_t& a) { }
                                          ^
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/cmake/checks/cpu_neon.cpp:14:30: error: 'int8x16_t' does not name a type
 void test_aliased_type(const int8x16_t& a) { }
                              ^
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/cmake/checks/cpu_neon.cpp:14:41: error: ISO C++ forbids declaration of 'a' with no type [-fpermissive]
 void test_aliased_type(const int8x16_t& a) { }
                                         ^
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/cmake/checks/cpu_neon.cpp: In function 'void test_aliased_type(const int&)':
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/cmake/checks/cpu_neon.cpp:14:6: error: redefinition of 'void test_aliased_type(const int&)'
 void test_aliased_type(const int8x16_t& a) { }
      ^
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/cmake/checks/cpu_neon.cpp:13:6: error: 'void test_aliased_type(const int&)' previously defined here
 void test_aliased_type(const uint8x16_t& a) { }
      ^
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/cmake/checks/cpu_neon.cpp: In function 'int main()':
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/cmake/checks/cpu_neon.cpp:29:23: error: 'test' was not declared in this scope
   printf("%d\n", test());
                       ^
make[2]: *** [CMakeFiles/cmTC_71212.dir/build.make:66: CMakeFiles/cmTC_71212.dir/cpu_neon.cpp.o] Error 1
make[2]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
make[1]: *** [Makefile:121: cmTC_71212/fast] Error 2
make[1]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'


===== END =====

Compilation failed:
    source file: '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/cmake/checks/cpu_fp16.cpp'
    check option: ' -mfpu=neon'
===== BUILD LOG =====
Change Dir: /data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_e960d/fast && make[1]: Entering directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_e960d.dir/build.make CMakeFiles/cmTC_e960d.dir/build
make[2]: Entering directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_e960d.dir/cpu_fp16.cpp.o
/data/buildroot-test/instance-1/output-1/host/bin/arm-none-linux-gnueabi-g++ --sysroot=/data/buildroot-test/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot    -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -latomic   -DNDEBUG -fPIE    -mfpu=neon -o CMakeFiles/cmTC_e960d.dir/cpu_fp16.cpp.o -c /data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/cmake/checks/cpu_fp16.cpp
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/cmake/checks/cpu_fp16.cpp: In function 'int test()':
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/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);
     ^
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/cmake/checks/cpu_fp16.cpp:21:17: error: expected ';' before 'v_dst'
     float16x4_t v_dst = vcvt_f16_f32(v_src);
                 ^
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/cmake/checks/cpu_fp16.cpp:22:19: error: expected primary-expression before ')' token
     *(float16x4_t*)dst = v_dst;
                   ^
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/cmake/checks/cpu_fp16.cpp:22:20: error: expected ';' before 'dst'
     *(float16x4_t*)dst = v_dst;
                    ^
make[2]: *** [CMakeFiles/cmTC_e960d.dir/build.make:66: CMakeFiles/cmTC_e960d.dir/cpu_fp16.cpp.o] Error 1
make[2]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
make[1]: *** [Makefile:121: cmTC_e960d/fast] Error 2
make[1]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'


===== END =====

Compilation failed:
    source file: '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/cmake/checks/cpu_fp16.cpp'
    check option: ' -mfpu=neon-fp16 -mfp16-format=ieee'
===== BUILD LOG =====
Change Dir: /data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_c8eea/fast && make[1]: Entering directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_c8eea.dir/build.make CMakeFiles/cmTC_c8eea.dir/build
make[2]: Entering directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_c8eea.dir/cpu_fp16.cpp.o
/data/buildroot-test/instance-1/output-1/host/bin/arm-none-linux-gnueabi-g++ --sysroot=/data/buildroot-test/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot    -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -latomic   -DNDEBUG -fPIE    -mfpu=neon-fp16 -mfp16-format=ieee -o CMakeFiles/cmTC_c8eea.dir/cpu_fp16.cpp.o -c /data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/cmake/checks/cpu_fp16.cpp
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/cmake/checks/cpu_fp16.cpp: In function 'int test()':
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/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);
     ^
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/cmake/checks/cpu_fp16.cpp:21:17: error: expected ';' before 'v_dst'
     float16x4_t v_dst = vcvt_f16_f32(v_src);
                 ^
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/cmake/checks/cpu_fp16.cpp:22:19: error: expected primary-expression before ')' token
     *(float16x4_t*)dst = v_dst;
                   ^
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/cmake/checks/cpu_fp16.cpp:22:20: error: expected ';' before 'dst'
     *(float16x4_t*)dst = v_dst;
                    ^
make[2]: *** [CMakeFiles/cmTC_c8eea.dir/build.make:66: CMakeFiles/cmTC_c8eea.dir/cpu_fp16.cpp.o] Error 1
make[2]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
make[1]: *** [Makefile:121: cmTC_c8eea/fast] Error 2
make[1]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/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 [enabled by default]'
Compilation failed:
    source file: '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/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 -Wno-missing-field-initializers -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections  -mfpu=neon -fvisibility=hidden  -fvisibility-inlines-hidden'
===== BUILD LOG =====
Change Dir: /data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_17354/fast && make[1]: Entering directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_17354.dir/build.make CMakeFiles/cmTC_17354.dir/build
make[2]: Entering directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_17354.dir/src.c.o
/data/buildroot-test/instance-1/output-1/host/bin/arm-none-linux-gnueabi-gcc --sysroot=/data/buildroot-test/instance-1/output-1/host/arm-buildroot-linux-gnueabi/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 -Wno-missing-field-initializers -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections  -mfpu=neon -fvisibility=hidden  -fvisibility-inlines-hidden -o CMakeFiles/cmTC_17354.dir/src.c.o   -c /data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp/src.c
cc1: warning: command line option '-fvisibility-inlines-hidden' is valid for C++/ObjC++ but not for C [enabled by default]
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp/src.c:1:0: warning: ignoring #pragma   [-Wunknown-pragmas]
 #pragma
 ^
Linking C executable cmTC_17354
/data/buildroot-test/instance-1/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_17354.dir/link.txt --verbose=1
/data/buildroot-test/instance-1/output-1/host/bin/arm-none-linux-gnueabi-gcc --sysroot=/data/buildroot-test/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os   -DNDEBUG    CMakeFiles/cmTC_17354.dir/src.c.o  -o cmTC_17354 
make[2]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
make[1]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'


===== END =====

Build output check failed:
    Regex: 'unrecognized .*option'
    Output line: 'cc1: warning: unrecognized command line option "-Wno-implicit-fallthrough" [enabled by default]'
Compilation failed:
    source file: '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp/src.c'
    check option: ' -Wno-implicit-fallthrough'
===== BUILD LOG =====
Change Dir: /data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_55ec1/fast && make[1]: Entering directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_55ec1.dir/build.make CMakeFiles/cmTC_55ec1.dir/build
make[2]: Entering directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_55ec1.dir/src.c.o
/data/buildroot-test/instance-1/output-1/host/bin/arm-none-linux-gnueabi-gcc --sysroot=/data/buildroot-test/instance-1/output-1/host/arm-buildroot-linux-gnueabi/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 -Wno-missing-field-initializers -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections  -mfpu=neon -fvisibility=hidden   -DNDEBUG  -DNDEBUG -fPIE    -Wno-implicit-fallthrough -o CMakeFiles/cmTC_55ec1.dir/src.c.o   -c /data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp/src.c
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp/src.c:1:0: warning: ignoring #pragma   [-Wunknown-pragmas]
 #pragma
 ^
cc1: warning: unrecognized command line option "-Wno-implicit-fallthrough" [enabled by default]
Linking C executable cmTC_55ec1
/data/buildroot-test/instance-1/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_55ec1.dir/link.txt --verbose=1
/data/buildroot-test/instance-1/output-1/host/bin/arm-none-linux-gnueabi-gcc --sysroot=/data/buildroot-test/instance-1/output-1/host/arm-buildroot-linux-gnueabi/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 -Wno-missing-field-initializers -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections  -mfpu=neon -fvisibility=hidden   -DNDEBUG  -DNDEBUG    -Wl,--gc-sections -Wl,--as-needed  CMakeFiles/cmTC_55ec1.dir/src.c.o  -o cmTC_55ec1 
make[2]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
make[1]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/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++ [enabled by default]'
Compilation failed:
    source file: '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp/src.cxx'
    check option: ' -Wno-missing-prototypes'
===== BUILD LOG =====
Change Dir: /data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_e343b/fast && make[1]: Entering directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_e343b.dir/build.make CMakeFiles/cmTC_e343b.dir/build
make[2]: Entering directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_e343b.dir/src.cxx.o
/data/buildroot-test/instance-1/output-1/host/bin/arm-none-linux-gnueabi-g++ --sysroot=/data/buildroot-test/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot    -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -latomic   -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 -Wno-missing-field-initializers -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections  -mfpu=neon -fvisibility=hidden -fvisibility-inlines-hidden -Wno-deprecated   -DNDEBUG  -DNDEBUG -fPIE    -Wno-missing-prototypes -o CMakeFiles/cmTC_e343b.dir/src.cxx.o -c /data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp/src.cxx
cc1plus: warning: command line option '-Wno-missing-prototypes' is valid for C/ObjC but not for C++ [enabled by default]
/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp/src.cxx:1:0: warning: ignoring #pragma   [-Wunknown-pragmas]
 #pragma
 ^
Linking CXX executable cmTC_e343b
/data/buildroot-test/instance-1/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_e343b.dir/link.txt --verbose=1
/data/buildroot-test/instance-1/output-1/host/bin/arm-none-linux-gnueabi-g++ --sysroot=/data/buildroot-test/instance-1/output-1/host/arm-buildroot-linux-gnueabi/sysroot  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -latomic   -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 -Wno-missing-field-initializers -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections  -mfpu=neon -fvisibility=hidden -fvisibility-inlines-hidden -Wno-deprecated   -DNDEBUG  -DNDEBUG    -Wl,--gc-sections -Wl,--as-needed  CMakeFiles/cmTC_e343b.dir/src.cxx.o  -o cmTC_e343b 
make[2]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
make[1]: Leaving directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'


===== END =====

Build output check failed:
    Regex: 'unrecognized .*option'
    Output line: 'cc1plus: warning: unrecognized command line option "-Wno-suggest-override" [enabled by default]'
Compilation failed:
    source file: '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp/src.cxx'
    check option: ' -Wno-suggest-override'
===== BUILD LOG =====
Change Dir: /data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_c61f4/fast && make[1]: Entering directory '/data/buildroot-test/instance-1/output-1/build/opencv3-3.4.12/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_c61f4.dir/build.make CMakeFiles/cmTC_c61f4.dir/build
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