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--enable-libstdcxx-time --enable-shared --enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu --enable-multilib --with-multilib-list=m32,m64 --disable-altivec --disable-fixed-point --enable-targets=all --enable-libgomp --disable-libmudflap --disable-libssp --disable-libmpx --disable-systemtap --enable-vtable-verify --enable-libvtv --enable-lto --without-isl --enable-libsanitizer --enable-default-pie --enable-default-ssp] ignore line: [Thread model: posix] ignore line: [gcc version 8.2.0 (Gentoo 8.2.0-r6 p1.7) ] ignore line: [COMPILER_PATH=/usr/libexec/gcc/x86_64-pc-linux-gnu/8.2.0/:/usr/libexec/gcc/x86_64-pc-linux-gnu/8.2.0/:/usr/libexec/gcc/x86_64-pc-linux-gnu/:/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/:/usr/lib/gcc/x86_64-pc-linux-gnu/:/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../x86_64-pc-linux-gnu/bin/] ignore line: [LIBRARY_PATH=/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/:/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../lib64/:/lib/../lib64/:/usr/lib/../lib64/:/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../x86_64-pc-linux-gnu/lib/:/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../:/lib/:/usr/lib/] ignore line: [COLLECT_GCC_OPTIONS='-march=native' '-O2' '-pipe' '-v' '-rdynamic' '-o' 'cmTC_b9374' '-shared-libgcc'] link line: [ /usr/libexec/gcc/x86_64-pc-linux-gnu/8.2.0/collect2 -plugin /usr/libexec/gcc/x86_64-pc-linux-gnu/8.2.0/liblto_plugin.so -plugin-opt=/usr/libexec/gcc/x86_64-pc-linux-gnu/8.2.0/lto-wrapper -plugin-opt=-fresolution=/var/tmp/portage/media-libs/opencv-3.4.1-r5/temp/cc6KwNOa.res -plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lc -plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lgcc --eh-frame-hdr -m elf_x86_64 -export-dynamic -dynamic-linker /lib64/ld-linux-x86-64.so.2 -pie -o cmTC_b9374 /usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../lib64/Scrt1.o /usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../lib64/crti.o /usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/crtbeginS.o -L/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0 -L/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../lib64 -L/lib/../lib64 -L/usr/lib/../lib64 -L/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../x86_64-pc-linux-gnu/lib -L/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../.. -O1 --as-needed CMakeFiles/cmTC_b9374.dir/CMakeCXXCompilerABI.cpp.o -lstdc++ -lm -lgcc_s -lgcc -lc -lgcc_s -lgcc /usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/crtendS.o /usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../lib64/crtn.o] arg [/usr/libexec/gcc/x86_64-pc-linux-gnu/8.2.0/collect2] ==> ignore arg [-plugin] ==> ignore arg [/usr/libexec/gcc/x86_64-pc-linux-gnu/8.2.0/liblto_plugin.so] ==> ignore arg [-plugin-opt=/usr/libexec/gcc/x86_64-pc-linux-gnu/8.2.0/lto-wrapper] ==> ignore arg [-plugin-opt=-fresolution=/var/tmp/portage/media-libs/opencv-3.4.1-r5/temp/cc6KwNOa.res] ==> ignore arg [-plugin-opt=-pass-through=-lgcc_s] ==> ignore arg [-plugin-opt=-pass-through=-lgcc] ==> ignore arg [-plugin-opt=-pass-through=-lc] ==> ignore arg [-plugin-opt=-pass-through=-lgcc_s] ==> ignore arg [-plugin-opt=-pass-through=-lgcc] ==> ignore arg [--eh-frame-hdr] ==> ignore arg [-m] ==> ignore arg [elf_x86_64] ==> ignore arg [-export-dynamic] ==> ignore arg [-dynamic-linker] ==> ignore arg [/lib64/ld-linux-x86-64.so.2] ==> ignore arg [-pie] ==> ignore arg [-o] ==> ignore arg [cmTC_b9374] ==> ignore arg [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../lib64/Scrt1.o] ==> ignore arg [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../lib64/crti.o] ==> ignore arg [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/crtbeginS.o] ==> ignore arg [-L/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0] ==> dir [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0] arg [-L/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../lib64] ==> dir [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../lib64] arg [-L/lib/../lib64] ==> dir [/lib/../lib64] arg [-L/usr/lib/../lib64] ==> dir [/usr/lib/../lib64] arg [-L/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../x86_64-pc-linux-gnu/lib] ==> dir [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../x86_64-pc-linux-gnu/lib] arg [-L/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../..] ==> dir [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../..] arg [-O1] ==> ignore arg [--as-needed] ==> ignore arg [CMakeFiles/cmTC_b9374.dir/CMakeCXXCompilerABI.cpp.o] ==> ignore arg [-lstdc++] ==> lib [stdc++] arg [-lm] ==> lib [m] arg [-lgcc_s] ==> lib [gcc_s] arg [-lgcc] ==> lib [gcc] arg [-lc] ==> lib [c] arg [-lgcc_s] ==> lib [gcc_s] arg [-lgcc] ==> lib [gcc] arg [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/crtendS.o] ==> ignore arg [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../lib64/crtn.o] ==> ignore collapse library dir [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0] ==> [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0] collapse library dir [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../lib64] ==> [/usr/lib64] collapse library dir [/lib/../lib64] ==> [/lib64] collapse library dir [/usr/lib/../lib64] ==> [/usr/lib64] collapse library dir [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../x86_64-pc-linux-gnu/lib] ==> [/usr/x86_64-pc-linux-gnu/lib] collapse library dir [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../..] ==> [/usr/lib] implicit libs: [stdc++;m;gcc_s;gcc;c;gcc_s;gcc] implicit dirs: [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0;/usr/lib64;/lib64;/usr/x86_64-pc-linux-gnu/lib;/usr/lib] implicit fwks: [] Detecting CXX [-std=c++2a] compiler features compiled with the following output: Change Dir: /var/tmp/portage/media-libs/opencv-3.4.1-r5/work/opencv-3.4.1-abi_x86_64.amd64/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/ninja cmTC_ffdc4 [1/2] Building CXX object CMakeFiles/cmTC_ffdc4.dir/feature_tests.cxx.o [2/2] Linking CXX executable cmTC_ffdc4 Feature record: CXX_FEATURE:1cxx_aggregate_default_initializers Feature record: CXX_FEATURE:1cxx_alias_templates Feature record: CXX_FEATURE:1cxx_alignas Feature record: CXX_FEATURE:1cxx_alignof Feature record: CXX_FEATURE:1cxx_attributes Feature record: CXX_FEATURE:1cxx_attribute_deprecated Feature record: CXX_FEATURE:1cxx_auto_type Feature record: CXX_FEATURE:1cxx_binary_literals Feature record: CXX_FEATURE:1cxx_constexpr Feature record: CXX_FEATURE:1cxx_contextual_conversions Feature record: CXX_FEATURE:1cxx_decltype Feature record: CXX_FEATURE:1cxx_decltype_auto Feature record: CXX_FEATURE:1cxx_decltype_incomplete_return_types Feature record: CXX_FEATURE:1cxx_default_function_template_args Feature record: CXX_FEATURE:1cxx_defaulted_functions Feature record: CXX_FEATURE:1cxx_defaulted_move_initializers Feature record: CXX_FEATURE:1cxx_delegating_constructors Feature record: CXX_FEATURE:1cxx_deleted_functions Feature record: CXX_FEATURE:1cxx_digit_separators Feature record: CXX_FEATURE:1cxx_enum_forward_declarations Feature record: CXX_FEATURE:1cxx_explicit_conversions Feature record: CXX_FEATURE:1cxx_extended_friend_declarations Feature record: CXX_FEATURE:1cxx_extern_templates Feature record: CXX_FEATURE:1cxx_final Feature record: CXX_FEATURE:1cxx_func_identifier Feature record: CXX_FEATURE:1cxx_generalized_initializers Feature record: CXX_FEATURE:1cxx_generic_lambdas Feature record: CXX_FEATURE:1cxx_inheriting_constructors Feature record: CXX_FEATURE:1cxx_inline_namespaces Feature record: CXX_FEATURE:1cxx_lambdas Feature record: CXX_FEATURE:1cxx_lambda_init_captures Feature record: CXX_FEATURE:1cxx_local_type_template_args Feature record: CXX_FEATURE:1cxx_long_long_type Feature record: CXX_FEATURE:1cxx_noexcept Feature record: CXX_FEATURE:1cxx_nonstatic_member_init Feature record: CXX_FEATURE:1cxx_nullptr Feature record: CXX_FEATURE:1cxx_override Feature record: CXX_FEATURE:1cxx_range_for Feature record: CXX_FEATURE:1cxx_raw_string_literals Feature record: CXX_FEATURE:1cxx_reference_qualified_functions Feature record: CXX_FEATURE:1cxx_relaxed_constexpr Feature record: CXX_FEATURE:1cxx_return_type_deduction Feature record: CXX_FEATURE:1cxx_right_angle_brackets Feature record: CXX_FEATURE:1cxx_rvalue_references Feature record: CXX_FEATURE:1cxx_sizeof_member Feature record: CXX_FEATURE:1cxx_static_assert Feature record: CXX_FEATURE:1cxx_strong_enums Feature record: CXX_FEATURE:1cxx_template_template_parameters Feature record: CXX_FEATURE:1cxx_thread_local Feature record: CXX_FEATURE:1cxx_trailing_return_types Feature record: CXX_FEATURE:1cxx_unicode_literals Feature record: CXX_FEATURE:1cxx_uniform_initialization Feature record: CXX_FEATURE:1cxx_unrestricted_unions Feature record: CXX_FEATURE:1cxx_user_literals Feature record: CXX_FEATURE:1cxx_variable_templates Feature record: CXX_FEATURE:1cxx_variadic_macros Feature record: CXX_FEATURE:1cxx_variadic_templates Detecting CXX [-std=c++17] compiler features compiled with the following output: Change Dir: /var/tmp/portage/media-libs/opencv-3.4.1-r5/work/opencv-3.4.1-abi_x86_64.amd64/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/ninja cmTC_fe62d [1/2] Building CXX object CMakeFiles/cmTC_fe62d.dir/feature_tests.cxx.o [2/2] Linking CXX executable cmTC_fe62d Feature record: CXX_FEATURE:1cxx_aggregate_default_initializers Feature record: CXX_FEATURE:1cxx_alias_templates Feature record: CXX_FEATURE:1cxx_alignas Feature record: CXX_FEATURE:1cxx_alignof Feature record: CXX_FEATURE:1cxx_attributes Feature record: CXX_FEATURE:1cxx_attribute_deprecated Feature record: CXX_FEATURE:1cxx_auto_type Feature record: CXX_FEATURE:1cxx_binary_literals Feature record: CXX_FEATURE:1cxx_constexpr Feature record: CXX_FEATURE:1cxx_contextual_conversions Feature record: CXX_FEATURE:1cxx_decltype Feature record: CXX_FEATURE:1cxx_decltype_auto Feature record: CXX_FEATURE:1cxx_decltype_incomplete_return_types Feature record: CXX_FEATURE:1cxx_default_function_template_args Feature record: CXX_FEATURE:1cxx_defaulted_functions Feature record: CXX_FEATURE:1cxx_defaulted_move_initializers Feature record: CXX_FEATURE:1cxx_delegating_constructors Feature record: CXX_FEATURE:1cxx_deleted_functions Feature record: CXX_FEATURE:1cxx_digit_separators Feature record: CXX_FEATURE:1cxx_enum_forward_declarations Feature record: CXX_FEATURE:1cxx_explicit_conversions Feature record: CXX_FEATURE:1cxx_extended_friend_declarations Feature record: CXX_FEATURE:1cxx_extern_templates Feature record: CXX_FEATURE:1cxx_final Feature record: CXX_FEATURE:1cxx_func_identifier Feature record: CXX_FEATURE:1cxx_generalized_initializers Feature record: CXX_FEATURE:1cxx_generic_lambdas Feature record: CXX_FEATURE:1cxx_inheriting_constructors Feature record: CXX_FEATURE:1cxx_inline_namespaces Feature record: CXX_FEATURE:1cxx_lambdas Feature record: CXX_FEATURE:1cxx_lambda_init_captures Feature record: CXX_FEATURE:1cxx_local_type_template_args Feature record: CXX_FEATURE:1cxx_long_long_type Feature record: CXX_FEATURE:1cxx_noexcept Feature record: CXX_FEATURE:1cxx_nonstatic_member_init Feature record: CXX_FEATURE:1cxx_nullptr Feature record: CXX_FEATURE:1cxx_override Feature record: CXX_FEATURE:1cxx_range_for Feature record: CXX_FEATURE:1cxx_raw_string_literals Feature record: CXX_FEATURE:1cxx_reference_qualified_functions Feature record: CXX_FEATURE:1cxx_relaxed_constexpr Feature record: CXX_FEATURE:1cxx_return_type_deduction Feature record: CXX_FEATURE:1cxx_right_angle_brackets Feature record: CXX_FEATURE:1cxx_rvalue_references Feature record: CXX_FEATURE:1cxx_sizeof_member Feature record: CXX_FEATURE:1cxx_static_assert Feature record: CXX_FEATURE:1cxx_strong_enums Feature record: CXX_FEATURE:1cxx_template_template_parameters Feature record: CXX_FEATURE:1cxx_thread_local Feature record: CXX_FEATURE:1cxx_trailing_return_types Feature record: CXX_FEATURE:1cxx_unicode_literals Feature record: CXX_FEATURE:1cxx_uniform_initialization Feature record: CXX_FEATURE:1cxx_unrestricted_unions Feature record: CXX_FEATURE:1cxx_user_literals Feature record: CXX_FEATURE:1cxx_variable_templates Feature record: CXX_FEATURE:1cxx_variadic_macros Feature record: CXX_FEATURE:1cxx_variadic_templates Detecting CXX [-std=c++14] compiler features compiled with the following output: Change Dir: /var/tmp/portage/media-libs/opencv-3.4.1-r5/work/opencv-3.4.1-abi_x86_64.amd64/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/ninja cmTC_cea65 [1/2] Building CXX object CMakeFiles/cmTC_cea65.dir/feature_tests.cxx.o [2/2] Linking CXX executable cmTC_cea65 Feature record: CXX_FEATURE:1cxx_aggregate_default_initializers Feature record: CXX_FEATURE:1cxx_alias_templates Feature record: CXX_FEATURE:1cxx_alignas Feature record: CXX_FEATURE:1cxx_alignof Feature record: CXX_FEATURE:1cxx_attributes Feature record: CXX_FEATURE:1cxx_attribute_deprecated Feature record: CXX_FEATURE:1cxx_auto_type Feature record: CXX_FEATURE:1cxx_binary_literals Feature record: CXX_FEATURE:1cxx_constexpr Feature record: CXX_FEATURE:1cxx_contextual_conversions Feature record: CXX_FEATURE:1cxx_decltype Feature record: CXX_FEATURE:1cxx_decltype_auto Feature record: CXX_FEATURE:1cxx_decltype_incomplete_return_types Feature record: CXX_FEATURE:1cxx_default_function_template_args Feature record: CXX_FEATURE:1cxx_defaulted_functions Feature record: CXX_FEATURE:1cxx_defaulted_move_initializers Feature record: CXX_FEATURE:1cxx_delegating_constructors Feature record: CXX_FEATURE:1cxx_deleted_functions Feature record: CXX_FEATURE:1cxx_digit_separators Feature record: CXX_FEATURE:1cxx_enum_forward_declarations Feature record: CXX_FEATURE:1cxx_explicit_conversions Feature record: CXX_FEATURE:1cxx_extended_friend_declarations Feature record: CXX_FEATURE:1cxx_extern_templates Feature record: CXX_FEATURE:1cxx_final Feature record: CXX_FEATURE:1cxx_func_identifier Feature record: CXX_FEATURE:1cxx_generalized_initializers Feature record: CXX_FEATURE:1cxx_generic_lambdas Feature record: CXX_FEATURE:1cxx_inheriting_constructors Feature record: CXX_FEATURE:1cxx_inline_namespaces Feature record: CXX_FEATURE:1cxx_lambdas Feature record: CXX_FEATURE:1cxx_lambda_init_captures Feature record: CXX_FEATURE:1cxx_local_type_template_args Feature record: CXX_FEATURE:1cxx_long_long_type Feature record: CXX_FEATURE:1cxx_noexcept Feature record: CXX_FEATURE:1cxx_nonstatic_member_init Feature record: CXX_FEATURE:1cxx_nullptr Feature record: CXX_FEATURE:1cxx_override Feature record: CXX_FEATURE:1cxx_range_for Feature record: CXX_FEATURE:1cxx_raw_string_literals Feature record: CXX_FEATURE:1cxx_reference_qualified_functions Feature record: CXX_FEATURE:1cxx_relaxed_constexpr Feature record: CXX_FEATURE:1cxx_return_type_deduction Feature record: CXX_FEATURE:1cxx_right_angle_brackets Feature record: CXX_FEATURE:1cxx_rvalue_references Feature record: CXX_FEATURE:1cxx_sizeof_member Feature record: CXX_FEATURE:1cxx_static_assert Feature record: CXX_FEATURE:1cxx_strong_enums Feature record: CXX_FEATURE:1cxx_template_template_parameters Feature record: CXX_FEATURE:1cxx_thread_local Feature record: CXX_FEATURE:1cxx_trailing_return_types Feature record: CXX_FEATURE:1cxx_unicode_literals Feature record: CXX_FEATURE:1cxx_uniform_initialization Feature record: CXX_FEATURE:1cxx_unrestricted_unions Feature record: CXX_FEATURE:1cxx_user_literals Feature record: CXX_FEATURE:1cxx_variable_templates Feature record: CXX_FEATURE:1cxx_variadic_macros Feature record: CXX_FEATURE:1cxx_variadic_templates Detecting CXX [-std=c++11] compiler features compiled with the following output: Change Dir: /var/tmp/portage/media-libs/opencv-3.4.1-r5/work/opencv-3.4.1-abi_x86_64.amd64/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/ninja cmTC_ed47c [1/2] Building CXX object CMakeFiles/cmTC_ed47c.dir/feature_tests.cxx.o [2/2] Linking CXX executable cmTC_ed47c Feature record: CXX_FEATURE:0cxx_aggregate_default_initializers Feature record: CXX_FEATURE:1cxx_alias_templates Feature record: CXX_FEATURE:1cxx_alignas Feature record: CXX_FEATURE:1cxx_alignof Feature record: CXX_FEATURE:1cxx_attributes Feature record: CXX_FEATURE:0cxx_attribute_deprecated Feature record: CXX_FEATURE:1cxx_auto_type Feature record: CXX_FEATURE:0cxx_binary_literals Feature record: CXX_FEATURE:1cxx_constexpr Feature record: CXX_FEATURE:0cxx_contextual_conversions Feature record: CXX_FEATURE:1cxx_decltype Feature record: CXX_FEATURE:0cxx_decltype_auto Feature record: CXX_FEATURE:1cxx_decltype_incomplete_return_types Feature record: CXX_FEATURE:1cxx_default_function_template_args Feature record: CXX_FEATURE:1cxx_defaulted_functions Feature record: CXX_FEATURE:1cxx_defaulted_move_initializers Feature record: CXX_FEATURE:1cxx_delegating_constructors Feature record: CXX_FEATURE:1cxx_deleted_functions Feature record: CXX_FEATURE:0cxx_digit_separators Feature record: CXX_FEATURE:1cxx_enum_forward_declarations Feature record: CXX_FEATURE:1cxx_explicit_conversions Feature record: CXX_FEATURE:1cxx_extended_friend_declarations Feature record: CXX_FEATURE:1cxx_extern_templates Feature record: CXX_FEATURE:1cxx_final Feature record: CXX_FEATURE:1cxx_func_identifier Feature record: CXX_FEATURE:1cxx_generalized_initializers Feature record: CXX_FEATURE:0cxx_generic_lambdas Feature record: CXX_FEATURE:1cxx_inheriting_constructors Feature record: CXX_FEATURE:1cxx_inline_namespaces Feature record: CXX_FEATURE:1cxx_lambdas Feature record: CXX_FEATURE:0cxx_lambda_init_captures Feature record: CXX_FEATURE:1cxx_local_type_template_args Feature record: CXX_FEATURE:1cxx_long_long_type Feature record: CXX_FEATURE:1cxx_noexcept Feature record: CXX_FEATURE:1cxx_nonstatic_member_init Feature record: CXX_FEATURE:1cxx_nullptr Feature record: CXX_FEATURE:1cxx_override Feature record: CXX_FEATURE:1cxx_range_for Feature record: CXX_FEATURE:1cxx_raw_string_literals Feature record: CXX_FEATURE:1cxx_reference_qualified_functions Feature record: CXX_FEATURE:0cxx_relaxed_constexpr Feature record: CXX_FEATURE:0cxx_return_type_deduction Feature record: CXX_FEATURE:1cxx_right_angle_brackets Feature record: CXX_FEATURE:1cxx_rvalue_references Feature record: CXX_FEATURE:1cxx_sizeof_member Feature record: CXX_FEATURE:1cxx_static_assert Feature record: CXX_FEATURE:1cxx_strong_enums Feature record: CXX_FEATURE:1cxx_template_template_parameters Feature record: CXX_FEATURE:1cxx_thread_local Feature record: CXX_FEATURE:1cxx_trailing_return_types Feature record: CXX_FEATURE:1cxx_unicode_literals Feature record: CXX_FEATURE:1cxx_uniform_initialization Feature record: CXX_FEATURE:1cxx_unrestricted_unions Feature record: CXX_FEATURE:1cxx_user_literals Feature record: CXX_FEATURE:0cxx_variable_templates Feature record: CXX_FEATURE:1cxx_variadic_macros Feature record: CXX_FEATURE:1cxx_variadic_templates Detecting CXX [-std=c++98] compiler features compiled with the following output: Change Dir: 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Feature record: CXX_FEATURE:0cxx_user_literals Feature record: CXX_FEATURE:0cxx_variable_templates Feature record: CXX_FEATURE:0cxx_variadic_macros Feature record: CXX_FEATURE:0cxx_variadic_templates Determining if the C compiler works passed with the following output: Change Dir: /var/tmp/portage/media-libs/opencv-3.4.1-r5/work/opencv-3.4.1-abi_x86_64.amd64/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/ninja cmTC_3aefc [1/2] Building C object CMakeFiles/cmTC_3aefc.dir/testCCompiler.c.o [2/2] Linking C executable cmTC_3aefc Detecting C compiler ABI info compiled with the following output: Change Dir: /var/tmp/portage/media-libs/opencv-3.4.1-r5/work/opencv-3.4.1-abi_x86_64.amd64/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/ninja cmTC_05bab [1/2] Building C object CMakeFiles/cmTC_05bab.dir/CMakeCCompilerABI.c.o Using built-in specs. 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[/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0] ==> [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0] collapse library dir [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../lib64] ==> [/usr/lib64] collapse library dir [/lib/../lib64] ==> [/lib64] collapse library dir [/usr/lib/../lib64] ==> [/usr/lib64] collapse library dir [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../x86_64-pc-linux-gnu/lib] ==> [/usr/x86_64-pc-linux-gnu/lib] collapse library dir [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../..] ==> [/usr/lib] implicit libs: [gcc;gcc_s;c;gcc;gcc_s] implicit dirs: [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0;/usr/lib64;/lib64;/usr/x86_64-pc-linux-gnu/lib;/usr/lib] implicit fwks: [] Detecting C [-std=c11] compiler features compiled with the following output: Change Dir: /var/tmp/portage/media-libs/opencv-3.4.1-r5/work/opencv-3.4.1-abi_x86_64.amd64/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/ninja cmTC_3dab5 [1/2] Building C object CMakeFiles/cmTC_3dab5.dir/feature_tests.c.o [2/2] Linking C 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/var/tmp/portage/media-libs/opencv-3.4.1-r5/work/opencv-3.4.1-abi_x86_64.amd64/CMakeFiles/CMakeTmp/CheckSymbolExists.c: /* */ #include int main(int argc, char** argv) { (void)argv; #ifndef memalign return ((int*)(&memalign))[argc]; #else (void)argc; return 0; #endif } Determining if the include file sys/types.h exists passed with the following output: Change Dir: /var/tmp/portage/media-libs/opencv-3.4.1-r5/work/opencv-3.4.1-abi_x86_64.amd64/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/ninja cmTC_0ea04 [1/2] Building C object CMakeFiles/cmTC_0ea04.dir/CheckIncludeFile.c.o [2/2] Linking C executable cmTC_0ea04 Determining if the include file stdint.h exists passed with the following output: Change Dir: /var/tmp/portage/media-libs/opencv-3.4.1-r5/work/opencv-3.4.1-abi_x86_64.amd64/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/ninja cmTC_96a04 [1/2] Building C object CMakeFiles/cmTC_96a04.dir/CheckIncludeFile.c.o [2/2] Linking C executable cmTC_96a04 Determining if the include file stddef.h exists passed with the following output: Change Dir: /var/tmp/portage/media-libs/opencv-3.4.1-r5/work/opencv-3.4.1-abi_x86_64.amd64/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/ninja cmTC_f0154 [1/2] Building C object CMakeFiles/cmTC_f0154.dir/CheckIncludeFile.c.o [2/2] Linking C executable cmTC_f0154 Determining size of unsigned short passed with the following output: Change Dir: /var/tmp/portage/media-libs/opencv-3.4.1-r5/work/opencv-3.4.1-abi_x86_64.amd64/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/ninja cmTC_a0c92 [1/2] Building C object CMakeFiles/cmTC_a0c92.dir/CMAKE_SIZEOF_UNSIGNED_SHORT.c.o [2/2] Linking C executable cmTC_a0c92 Determining if the system is big endian passed with the following output: Change Dir: /var/tmp/portage/media-libs/opencv-3.4.1-r5/work/opencv-3.4.1-abi_x86_64.amd64/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/ninja cmTC_34e4b [1/2] Building C object CMakeFiles/cmTC_34e4b.dir/TestEndianess.c.o [2/2] Linking C executable cmTC_34e4b TestEndianess.c: /* A 16 bit integer is required. */ typedef unsigned short cmakeint16; /* On a little endian machine, these 16bit ints will give "THIS IS LITTLE ENDIAN." 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CXX_FEATURE:1cxx_enum_forward_declarations Feature record: CXX_FEATURE:1cxx_explicit_conversions Feature record: CXX_FEATURE:1cxx_extended_friend_declarations Feature record: CXX_FEATURE:1cxx_extern_templates Feature record: CXX_FEATURE:1cxx_final Feature record: CXX_FEATURE:1cxx_func_identifier Feature record: CXX_FEATURE:1cxx_generalized_initializers Feature record: CXX_FEATURE:1cxx_generic_lambdas Feature record: CXX_FEATURE:1cxx_inheriting_constructors Feature record: CXX_FEATURE:1cxx_inline_namespaces Feature record: CXX_FEATURE:1cxx_lambdas Feature record: CXX_FEATURE:1cxx_lambda_init_captures Feature record: CXX_FEATURE:1cxx_local_type_template_args Feature record: CXX_FEATURE:1cxx_long_long_type Feature record: CXX_FEATURE:1cxx_noexcept Feature record: CXX_FEATURE:1cxx_nonstatic_member_init Feature record: CXX_FEATURE:1cxx_nullptr Feature record: CXX_FEATURE:1cxx_override Feature record: CXX_FEATURE:1cxx_range_for Feature record: CXX_FEATURE:1cxx_raw_string_literals Feature record: CXX_FEATURE:1cxx_reference_qualified_functions Feature record: CXX_FEATURE:1cxx_relaxed_constexpr Feature record: CXX_FEATURE:1cxx_return_type_deduction Feature record: CXX_FEATURE:1cxx_right_angle_brackets Feature record: CXX_FEATURE:1cxx_rvalue_references Feature record: CXX_FEATURE:1cxx_sizeof_member Feature record: CXX_FEATURE:1cxx_static_assert Feature record: CXX_FEATURE:1cxx_strong_enums Feature record: CXX_FEATURE:1cxx_template_template_parameters Feature record: CXX_FEATURE:1cxx_thread_local Feature record: CXX_FEATURE:1cxx_trailing_return_types Feature record: CXX_FEATURE:1cxx_unicode_literals Feature record: CXX_FEATURE:1cxx_uniform_initialization Feature record: CXX_FEATURE:1cxx_unrestricted_unions Feature record: CXX_FEATURE:1cxx_user_literals Feature record: CXX_FEATURE:1cxx_variable_templates Feature record: CXX_FEATURE:1cxx_variadic_macros Feature record: CXX_FEATURE:1cxx_variadic_templates Detecting CXX [-std=c++17] compiler features compiled with the following output: Change Dir: /var/tmp/portage/media-libs/opencv-3.4.1-r5/work/opencv-3.4.1-abi_x86_64.amd64/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/ninja cmTC_840ef [1/2] Building CXX object CMakeFiles/cmTC_840ef.dir/feature_tests.cxx.o [2/2] Linking CXX executable cmTC_840ef Feature record: CXX_FEATURE:1cxx_aggregate_default_initializers Feature record: CXX_FEATURE:1cxx_alias_templates Feature record: CXX_FEATURE:1cxx_alignas Feature record: CXX_FEATURE:1cxx_alignof Feature record: CXX_FEATURE:1cxx_attributes Feature record: CXX_FEATURE:1cxx_attribute_deprecated Feature record: CXX_FEATURE:1cxx_auto_type Feature record: CXX_FEATURE:1cxx_binary_literals Feature record: CXX_FEATURE:1cxx_constexpr Feature record: CXX_FEATURE:1cxx_contextual_conversions Feature record: CXX_FEATURE:1cxx_decltype Feature record: CXX_FEATURE:1cxx_decltype_auto Feature record: CXX_FEATURE:1cxx_decltype_incomplete_return_types Feature record: CXX_FEATURE:1cxx_default_function_template_args Feature record: CXX_FEATURE:1cxx_defaulted_functions Feature record: CXX_FEATURE:1cxx_defaulted_move_initializers Feature record: CXX_FEATURE:1cxx_delegating_constructors Feature record: CXX_FEATURE:1cxx_deleted_functions Feature record: CXX_FEATURE:1cxx_digit_separators Feature record: CXX_FEATURE:1cxx_enum_forward_declarations Feature record: CXX_FEATURE:1cxx_explicit_conversions Feature record: CXX_FEATURE:1cxx_extended_friend_declarations Feature record: CXX_FEATURE:1cxx_extern_templates Feature record: CXX_FEATURE:1cxx_final Feature record: CXX_FEATURE:1cxx_func_identifier Feature record: CXX_FEATURE:1cxx_generalized_initializers Feature record: CXX_FEATURE:1cxx_generic_lambdas Feature record: CXX_FEATURE:1cxx_inheriting_constructors Feature record: CXX_FEATURE:1cxx_inline_namespaces Feature record: CXX_FEATURE:1cxx_lambdas Feature record: CXX_FEATURE:1cxx_lambda_init_captures Feature record: CXX_FEATURE:1cxx_local_type_template_args Feature record: CXX_FEATURE:1cxx_long_long_type Feature record: CXX_FEATURE:1cxx_noexcept Feature record: CXX_FEATURE:1cxx_nonstatic_member_init Feature record: CXX_FEATURE:1cxx_nullptr Feature record: CXX_FEATURE:1cxx_override Feature record: CXX_FEATURE:1cxx_range_for Feature record: CXX_FEATURE:1cxx_raw_string_literals Feature record: CXX_FEATURE:1cxx_reference_qualified_functions Feature record: CXX_FEATURE:1cxx_relaxed_constexpr Feature record: CXX_FEATURE:1cxx_return_type_deduction Feature record: CXX_FEATURE:1cxx_right_angle_brackets Feature record: CXX_FEATURE:1cxx_rvalue_references Feature record: CXX_FEATURE:1cxx_sizeof_member Feature record: CXX_FEATURE:1cxx_static_assert Feature record: CXX_FEATURE:1cxx_strong_enums Feature record: CXX_FEATURE:1cxx_template_template_parameters Feature record: CXX_FEATURE:1cxx_thread_local Feature record: CXX_FEATURE:1cxx_trailing_return_types Feature record: CXX_FEATURE:1cxx_unicode_literals Feature record: CXX_FEATURE:1cxx_uniform_initialization Feature record: CXX_FEATURE:1cxx_unrestricted_unions Feature record: CXX_FEATURE:1cxx_user_literals Feature record: CXX_FEATURE:1cxx_variable_templates Feature record: CXX_FEATURE:1cxx_variadic_macros Feature record: CXX_FEATURE:1cxx_variadic_templates Detecting CXX [-std=c++14] compiler features compiled with the following output: Change Dir: /var/tmp/portage/media-libs/opencv-3.4.1-r5/work/opencv-3.4.1-abi_x86_64.amd64/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/ninja cmTC_e45aa [1/2] Building CXX object CMakeFiles/cmTC_e45aa.dir/feature_tests.cxx.o [2/2] Linking CXX executable cmTC_e45aa Feature record: CXX_FEATURE:1cxx_aggregate_default_initializers Feature record: CXX_FEATURE:1cxx_alias_templates Feature record: CXX_FEATURE:1cxx_alignas Feature record: CXX_FEATURE:1cxx_alignof Feature record: CXX_FEATURE:1cxx_attributes Feature record: CXX_FEATURE:1cxx_attribute_deprecated Feature record: CXX_FEATURE:1cxx_auto_type Feature record: CXX_FEATURE:1cxx_binary_literals Feature record: CXX_FEATURE:1cxx_constexpr Feature record: CXX_FEATURE:1cxx_contextual_conversions Feature record: CXX_FEATURE:1cxx_decltype Feature record: CXX_FEATURE:1cxx_decltype_auto Feature record: CXX_FEATURE:1cxx_decltype_incomplete_return_types Feature record: CXX_FEATURE:1cxx_default_function_template_args Feature record: CXX_FEATURE:1cxx_defaulted_functions Feature record: CXX_FEATURE:1cxx_defaulted_move_initializers Feature record: CXX_FEATURE:1cxx_delegating_constructors Feature record: CXX_FEATURE:1cxx_deleted_functions Feature record: CXX_FEATURE:1cxx_digit_separators Feature record: CXX_FEATURE:1cxx_enum_forward_declarations Feature record: CXX_FEATURE:1cxx_explicit_conversions Feature record: CXX_FEATURE:1cxx_extended_friend_declarations Feature record: CXX_FEATURE:1cxx_extern_templates Feature record: CXX_FEATURE:1cxx_final Feature record: CXX_FEATURE:1cxx_func_identifier Feature record: CXX_FEATURE:1cxx_generalized_initializers Feature record: CXX_FEATURE:1cxx_generic_lambdas Feature record: CXX_FEATURE:1cxx_inheriting_constructors Feature record: CXX_FEATURE:1cxx_inline_namespaces Feature record: CXX_FEATURE:1cxx_lambdas Feature record: CXX_FEATURE:1cxx_lambda_init_captures Feature record: CXX_FEATURE:1cxx_local_type_template_args Feature record: CXX_FEATURE:1cxx_long_long_type Feature record: CXX_FEATURE:1cxx_noexcept Feature record: CXX_FEATURE:1cxx_nonstatic_member_init Feature record: CXX_FEATURE:1cxx_nullptr Feature record: CXX_FEATURE:1cxx_override Feature record: CXX_FEATURE:1cxx_range_for Feature record: CXX_FEATURE:1cxx_raw_string_literals Feature record: CXX_FEATURE:1cxx_reference_qualified_functions Feature record: CXX_FEATURE:1cxx_relaxed_constexpr Feature record: CXX_FEATURE:1cxx_return_type_deduction Feature record: CXX_FEATURE:1cxx_right_angle_brackets Feature record: CXX_FEATURE:1cxx_rvalue_references Feature record: CXX_FEATURE:1cxx_sizeof_member Feature record: CXX_FEATURE:1cxx_static_assert Feature record: CXX_FEATURE:1cxx_strong_enums Feature record: CXX_FEATURE:1cxx_template_template_parameters Feature record: CXX_FEATURE:1cxx_thread_local Feature record: CXX_FEATURE:1cxx_trailing_return_types Feature record: CXX_FEATURE:1cxx_unicode_literals Feature record: CXX_FEATURE:1cxx_uniform_initialization Feature record: CXX_FEATURE:1cxx_unrestricted_unions Feature record: CXX_FEATURE:1cxx_user_literals Feature record: CXX_FEATURE:1cxx_variable_templates Feature record: CXX_FEATURE:1cxx_variadic_macros Feature record: CXX_FEATURE:1cxx_variadic_templates Detecting CXX [-std=c++11] compiler features compiled with the following output: Change Dir: /var/tmp/portage/media-libs/opencv-3.4.1-r5/work/opencv-3.4.1-abi_x86_64.amd64/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/ninja cmTC_f4dd2 [1/2] Building CXX object CMakeFiles/cmTC_f4dd2.dir/feature_tests.cxx.o [2/2] Linking CXX executable cmTC_f4dd2 Feature record: CXX_FEATURE:0cxx_aggregate_default_initializers Feature record: CXX_FEATURE:1cxx_alias_templates Feature record: CXX_FEATURE:1cxx_alignas Feature record: CXX_FEATURE:1cxx_alignof Feature record: CXX_FEATURE:1cxx_attributes Feature record: CXX_FEATURE:0cxx_attribute_deprecated Feature record: CXX_FEATURE:1cxx_auto_type Feature record: CXX_FEATURE:0cxx_binary_literals Feature record: CXX_FEATURE:1cxx_constexpr Feature record: CXX_FEATURE:0cxx_contextual_conversions Feature record: CXX_FEATURE:1cxx_decltype Feature record: CXX_FEATURE:0cxx_decltype_auto Feature record: CXX_FEATURE:1cxx_decltype_incomplete_return_types Feature record: CXX_FEATURE:1cxx_default_function_template_args Feature record: CXX_FEATURE:1cxx_defaulted_functions Feature record: CXX_FEATURE:1cxx_defaulted_move_initializers Feature record: CXX_FEATURE:1cxx_delegating_constructors Feature record: CXX_FEATURE:1cxx_deleted_functions Feature record: CXX_FEATURE:0cxx_digit_separators Feature record: CXX_FEATURE:1cxx_enum_forward_declarations Feature record: CXX_FEATURE:1cxx_explicit_conversions Feature record: CXX_FEATURE:1cxx_extended_friend_declarations Feature record: CXX_FEATURE:1cxx_extern_templates Feature record: CXX_FEATURE:1cxx_final Feature record: CXX_FEATURE:1cxx_func_identifier Feature record: CXX_FEATURE:1cxx_generalized_initializers Feature record: CXX_FEATURE:0cxx_generic_lambdas Feature record: CXX_FEATURE:1cxx_inheriting_constructors Feature record: CXX_FEATURE:1cxx_inline_namespaces Feature record: CXX_FEATURE:1cxx_lambdas Feature record: CXX_FEATURE:0cxx_lambda_init_captures Feature record: CXX_FEATURE:1cxx_local_type_template_args Feature record: CXX_FEATURE:1cxx_long_long_type Feature record: CXX_FEATURE:1cxx_noexcept Feature record: CXX_FEATURE:1cxx_nonstatic_member_init Feature record: CXX_FEATURE:1cxx_nullptr Feature record: CXX_FEATURE:1cxx_override Feature record: CXX_FEATURE:1cxx_range_for Feature record: CXX_FEATURE:1cxx_raw_string_literals Feature record: CXX_FEATURE:1cxx_reference_qualified_functions Feature record: CXX_FEATURE:0cxx_relaxed_constexpr Feature record: CXX_FEATURE:0cxx_return_type_deduction Feature record: CXX_FEATURE:1cxx_right_angle_brackets Feature record: CXX_FEATURE:1cxx_rvalue_references Feature record: CXX_FEATURE:1cxx_sizeof_member Feature record: CXX_FEATURE:1cxx_static_assert Feature record: CXX_FEATURE:1cxx_strong_enums Feature record: CXX_FEATURE:1cxx_template_template_parameters Feature record: CXX_FEATURE:1cxx_thread_local Feature record: CXX_FEATURE:1cxx_trailing_return_types Feature record: CXX_FEATURE:1cxx_unicode_literals Feature record: CXX_FEATURE:1cxx_uniform_initialization Feature record: CXX_FEATURE:1cxx_unrestricted_unions Feature record: CXX_FEATURE:1cxx_user_literals Feature record: CXX_FEATURE:0cxx_variable_templates Feature record: CXX_FEATURE:1cxx_variadic_macros Feature record: CXX_FEATURE:1cxx_variadic_templates Detecting CXX [-std=c++98] compiler features compiled with the following output: Change Dir: /var/tmp/portage/media-libs/opencv-3.4.1-r5/work/opencv-3.4.1-abi_x86_64.amd64/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/ninja cmTC_14720 [1/2] Building CXX object CMakeFiles/cmTC_14720.dir/feature_tests.cxx.o [2/2] Linking CXX executable cmTC_14720 Feature record: CXX_FEATURE:0cxx_aggregate_default_initializers Feature record: CXX_FEATURE:0cxx_alias_templates Feature record: CXX_FEATURE:0cxx_alignas Feature record: CXX_FEATURE:0cxx_alignof Feature record: CXX_FEATURE:0cxx_attributes Feature record: CXX_FEATURE:0cxx_attribute_deprecated Feature record: CXX_FEATURE:0cxx_auto_type Feature record: CXX_FEATURE:0cxx_binary_literals Feature record: CXX_FEATURE:0cxx_constexpr Feature record: CXX_FEATURE:0cxx_contextual_conversions Feature record: CXX_FEATURE:0cxx_decltype Feature record: CXX_FEATURE:0cxx_decltype_auto Feature record: CXX_FEATURE:0cxx_decltype_incomplete_return_types Feature record: CXX_FEATURE:0cxx_default_function_template_args Feature record: CXX_FEATURE:0cxx_defaulted_functions Feature record: CXX_FEATURE:0cxx_defaulted_move_initializers Feature record: CXX_FEATURE:0cxx_delegating_constructors Feature record: CXX_FEATURE:0cxx_deleted_functions Feature record: CXX_FEATURE:0cxx_digit_separators Feature record: CXX_FEATURE:0cxx_enum_forward_declarations Feature record: CXX_FEATURE:0cxx_explicit_conversions Feature record: CXX_FEATURE:0cxx_extended_friend_declarations Feature record: CXX_FEATURE:0cxx_extern_templates Feature record: CXX_FEATURE:0cxx_final Feature record: CXX_FEATURE:0cxx_func_identifier Feature record: CXX_FEATURE:0cxx_generalized_initializers Feature record: CXX_FEATURE:0cxx_generic_lambdas Feature record: CXX_FEATURE:0cxx_inheriting_constructors Feature record: CXX_FEATURE:0cxx_inline_namespaces Feature record: CXX_FEATURE:0cxx_lambdas Feature record: CXX_FEATURE:0cxx_lambda_init_captures Feature record: CXX_FEATURE:0cxx_local_type_template_args Feature record: CXX_FEATURE:0cxx_long_long_type Feature record: CXX_FEATURE:0cxx_noexcept Feature record: CXX_FEATURE:0cxx_nonstatic_member_init Feature record: CXX_FEATURE:0cxx_nullptr Feature record: CXX_FEATURE:0cxx_override Feature record: CXX_FEATURE:0cxx_range_for Feature record: CXX_FEATURE:0cxx_raw_string_literals Feature record: CXX_FEATURE:0cxx_reference_qualified_functions Feature record: CXX_FEATURE:0cxx_relaxed_constexpr Feature record: CXX_FEATURE:0cxx_return_type_deduction Feature record: CXX_FEATURE:0cxx_right_angle_brackets Feature record: CXX_FEATURE:0cxx_rvalue_references Feature record: CXX_FEATURE:0cxx_sizeof_member Feature record: CXX_FEATURE:0cxx_static_assert Feature record: CXX_FEATURE:0cxx_strong_enums Feature record: CXX_FEATURE:1cxx_template_template_parameters Feature record: CXX_FEATURE:0cxx_thread_local Feature record: CXX_FEATURE:0cxx_trailing_return_types Feature record: CXX_FEATURE:0cxx_unicode_literals Feature record: CXX_FEATURE:0cxx_uniform_initialization Feature record: CXX_FEATURE:0cxx_unrestricted_unions Feature record: CXX_FEATURE:0cxx_user_literals Feature record: CXX_FEATURE:0cxx_variable_templates Feature record: CXX_FEATURE:0cxx_variadic_macros Feature record: CXX_FEATURE:0cxx_variadic_templates Determining if the C compiler works passed with the following output: Change Dir: /var/tmp/portage/media-libs/opencv-3.4.1-r5/work/opencv-3.4.1-abi_x86_64.amd64/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/ninja cmTC_f0587 [1/2] Building C object CMakeFiles/cmTC_f0587.dir/testCCompiler.c.o [2/2] Linking C executable cmTC_f0587 Detecting C compiler ABI info compiled with the following output: Change Dir: /var/tmp/portage/media-libs/opencv-3.4.1-r5/work/opencv-3.4.1-abi_x86_64.amd64/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/ninja cmTC_1a8c9 [1/2] Building C object CMakeFiles/cmTC_1a8c9.dir/CMakeCCompilerABI.c.o Using built-in specs. 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GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 ignoring nonexistent directory "/usr/local/include" ignoring nonexistent directory "/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../x86_64-pc-linux-gnu/include" #include "..." search starts here: #include <...> search starts here: /usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/include /usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/include-fixed /usr/include End of search list. GNU C17 (Gentoo 8.2.0-r6 p1.7) version 8.2.0 (x86_64-pc-linux-gnu) compiled by GNU C version 8.2.0, GMP version 6.1.2, MPFR version 4.0.1, MPC version 1.1.0, isl version none warning: MPFR header version 4.0.1 differs from library version 4.0.2. 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==> dir [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../lib64] arg [-L/lib/../lib64] ==> dir [/lib/../lib64] arg [-L/usr/lib/../lib64] ==> dir [/usr/lib/../lib64] arg [-L/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../x86_64-pc-linux-gnu/lib] ==> dir [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../x86_64-pc-linux-gnu/lib] arg [-L/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../..] ==> dir [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../..] arg [-O1] ==> ignore arg [--as-needed] ==> ignore arg [CMakeFiles/cmTC_1a8c9.dir/CMakeCCompilerABI.c.o] ==> ignore arg [-lgcc] ==> lib [gcc] arg [--as-needed] ==> ignore arg [-lgcc_s] ==> lib [gcc_s] arg [--no-as-needed] ==> ignore arg [-lc] ==> lib [c] arg [-lgcc] ==> lib [gcc] arg [--as-needed] ==> ignore arg [-lgcc_s] ==> lib [gcc_s] arg [--no-as-needed] ==> ignore arg [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/crtendS.o] ==> ignore arg [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../lib64/crtn.o] ==> ignore collapse library dir [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0] ==> [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0] collapse library dir [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../lib64] ==> [/usr/lib64] collapse library dir [/lib/../lib64] ==> [/lib64] collapse library dir [/usr/lib/../lib64] ==> [/usr/lib64] collapse library dir [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../../../x86_64-pc-linux-gnu/lib] ==> [/usr/x86_64-pc-linux-gnu/lib] collapse library dir [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/../../..] ==> [/usr/lib] implicit libs: [gcc;gcc_s;c;gcc;gcc_s] implicit dirs: [/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0;/usr/lib64;/lib64;/usr/x86_64-pc-linux-gnu/lib;/usr/lib] implicit fwks: [] Detecting C [-std=c11] compiler features compiled with the following output: Change Dir: /var/tmp/portage/media-libs/opencv-3.4.1-r5/work/opencv-3.4.1-abi_x86_64.amd64/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/ninja cmTC_b81b3 [1/2] Building C object CMakeFiles/cmTC_b81b3.dir/feature_tests.c.o [2/2] Linking C executable cmTC_b81b3 Feature record: C_FEATURE:1c_function_prototypes Feature record: C_FEATURE:1c_restrict Feature record: C_FEATURE:1c_static_assert Feature record: C_FEATURE:1c_variadic_macros Detecting C [-std=c99] compiler features compiled with the following output: Change Dir: /var/tmp/portage/media-libs/opencv-3.4.1-r5/work/opencv-3.4.1-abi_x86_64.amd64/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/ninja cmTC_aed20 [1/2] Building C object CMakeFiles/cmTC_aed20.dir/feature_tests.c.o [2/2] Linking C executable cmTC_aed20 Feature record: C_FEATURE:1c_function_prototypes Feature record: C_FEATURE:1c_restrict Feature record: C_FEATURE:0c_static_assert Feature record: C_FEATURE:1c_variadic_macros Detecting C [-std=c90] compiler features compiled with the following output: Change Dir: /var/tmp/portage/media-libs/opencv-3.4.1-r5/work/opencv-3.4.1-abi_x86_64.amd64/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/ninja cmTC_eaa6a [1/2] Building C object CMakeFiles/cmTC_eaa6a.dir/feature_tests.c.o [2/2] Linking C executable cmTC_eaa6a Feature record: C_FEATURE:1c_function_prototypes Feature record: C_FEATURE:0c_restrict Feature record: C_FEATURE:0c_static_assert Feature record: C_FEATURE:0c_variadic_macros