The system is: Linux - 4.4.0-148-generic - x86_64 Compiling the C compiler identification source file "CMakeCCompilerId.c" succeeded. Compiler: /usr/bin/gcc Build flags: -O2;-I/home/buildroot/autobuild/run/instance-2/output-1/host/include Id flags: The output was: 0 Compilation of the C compiler identification source "CMakeCCompilerId.c" produced "a.out" The C compiler identification is GNU, found in "/home/buildroot/autobuild/run/instance-2/output-1/build/host-grpc-1.25.0/CMakeFiles/3.15.5/CompilerIdC/a.out" Compiling the CXX compiler identification source file "CMakeCXXCompilerId.cpp" succeeded. Compiler: /usr/bin/g++ Build flags: -O2;-I/home/buildroot/autobuild/run/instance-2/output-1/host/include Id flags: The output was: 0 Compilation of the CXX compiler identification source "CMakeCXXCompilerId.cpp" produced "a.out" The CXX compiler identification is GNU, found in "/home/buildroot/autobuild/run/instance-2/output-1/build/host-grpc-1.25.0/CMakeFiles/3.15.5/CompilerIdCXX/a.out" Determining if the C compiler works passed with the following output: Change Dir: /home/buildroot/autobuild/run/instance-2/output-1/build/host-grpc-1.25.0/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_a0fc9/fast && make[1]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/host-grpc-1.25.0/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_a0fc9.dir/build.make CMakeFiles/cmTC_a0fc9.dir/build make[2]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/host-grpc-1.25.0/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_a0fc9.dir/testCCompiler.c.o /usr/bin/gcc -O2 -I/home/buildroot/autobuild/run/instance-2/output-1/host/include -o CMakeFiles/cmTC_a0fc9.dir/testCCompiler.c.o -c /home/buildroot/autobuild/run/instance-2/output-1/build/host-grpc-1.25.0/CMakeFiles/CMakeTmp/testCCompiler.c Linking C executable cmTC_a0fc9 /home/buildroot/autobuild/run/instance-2/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_a0fc9.dir/link.txt --verbose=1 /usr/bin/gcc -O2 -I/home/buildroot/autobuild/run/instance-2/output-1/host/include -L/home/buildroot/autobuild/run/instance-2/output-1/host/lib -Wl,-rpath,/home/buildroot/autobuild/run/instance-2/output-1/host/lib CMakeFiles/cmTC_a0fc9.dir/testCCompiler.c.o -o cmTC_a0fc9 make[2]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/host-grpc-1.25.0/CMakeFiles/CMakeTmp' make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/host-grpc-1.25.0/CMakeFiles/CMakeTmp' Detecting C compiler ABI info compiled with the following output: Change Dir: /home/buildroot/autobuild/run/instance-2/output-1/build/host-grpc-1.25.0/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_69333/fast && make[1]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/host-grpc-1.25.0/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_69333.dir/build.make CMakeFiles/cmTC_69333.dir/build make[2]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/host-grpc-1.25.0/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_69333.dir/CMakeCCompilerABI.c.o /usr/bin/gcc -O2 -I/home/buildroot/autobuild/run/instance-2/output-1/host/include -v -o CMakeFiles/cmTC_69333.dir/CMakeCCompilerABI.c.o -c /home/buildroot/autobuild/run/instance-2/output-1/host/share/cmake-3.15/Modules/CMakeCCompilerABI.c Using built-in specs. 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`/home/buildroot/autobuild/run/instance-2/output-1/build/host-grpc-1.25.0/CMakeFiles/CMakeTmp' make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/host-grpc-1.25.0/CMakeFiles/CMakeTmp' Feature record: CXX_FEATURE:1cxx_template_template_parameters 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_auto_type Feature record: CXX_FEATURE:1cxx_constexpr Feature record: CXX_FEATURE:1cxx_decltype 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_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_inheriting_constructors Feature record: CXX_FEATURE:1cxx_inline_namespaces Feature record: CXX_FEATURE:1cxx_lambdas 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_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_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_variadic_macros Feature record: CXX_FEATURE:1cxx_variadic_templates Feature record: CXX_FEATURE:0cxx_aggregate_default_initializers Feature record: CXX_FEATURE:0cxx_attribute_deprecated Feature record: CXX_FEATURE:0cxx_binary_literals Feature record: CXX_FEATURE:0cxx_contextual_conversions Feature record: CXX_FEATURE:0cxx_decltype_auto Feature record: CXX_FEATURE:0cxx_digit_separators Feature record: CXX_FEATURE:0cxx_generic_lambdas Feature record: CXX_FEATURE:0cxx_lambda_init_captures Feature record: CXX_FEATURE:0cxx_relaxed_constexpr Feature record: CXX_FEATURE:0cxx_return_type_deduction Feature record: CXX_FEATURE:0cxx_variable_templates Determining if the include file pthread.h exists passed with the following output: Change Dir: /home/buildroot/autobuild/run/instance-2/output-1/build/host-grpc-1.25.0/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_0d7b6/fast && make[1]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/host-grpc-1.25.0/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_0d7b6.dir/build.make CMakeFiles/cmTC_0d7b6.dir/build make[2]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/host-grpc-1.25.0/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_0d7b6.dir/CheckIncludeFile.c.o /usr/bin/gcc -O2 -I/home/buildroot/autobuild/run/instance-2/output-1/host/include -fPIE -o CMakeFiles/cmTC_0d7b6.dir/CheckIncludeFile.c.o -c /home/buildroot/autobuild/run/instance-2/output-1/build/host-grpc-1.25.0/CMakeFiles/CMakeTmp/CheckIncludeFile.c Linking C executable cmTC_0d7b6 /home/buildroot/autobuild/run/instance-2/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_0d7b6.dir/link.txt --verbose=1 /usr/bin/gcc -O2 -I/home/buildroot/autobuild/run/instance-2/output-1/host/include -L/home/buildroot/autobuild/run/instance-2/output-1/host/lib -Wl,-rpath,/home/buildroot/autobuild/run/instance-2/output-1/host/lib CMakeFiles/cmTC_0d7b6.dir/CheckIncludeFile.c.o -o cmTC_0d7b6 make[2]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/host-grpc-1.25.0/CMakeFiles/CMakeTmp' make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/host-grpc-1.25.0/CMakeFiles/CMakeTmp' Determining if the function pthread_create exists in the pthread passed with the following output: Change Dir: /home/buildroot/autobuild/run/instance-2/output-1/build/host-grpc-1.25.0/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_205bf/fast && make[1]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/host-grpc-1.25.0/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_205bf.dir/build.make CMakeFiles/cmTC_205bf.dir/build make[2]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/host-grpc-1.25.0/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_205bf.dir/CheckFunctionExists.c.o /usr/bin/gcc -O2 -I/home/buildroot/autobuild/run/instance-2/output-1/host/include -DCHECK_FUNCTION_EXISTS=pthread_create -fPIE -o CMakeFiles/cmTC_205bf.dir/CheckFunctionExists.c.o -c /home/buildroot/autobuild/run/instance-2/output-1/host/share/cmake-3.15/Modules/CheckFunctionExists.c Linking C executable cmTC_205bf /home/buildroot/autobuild/run/instance-2/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_205bf.dir/link.txt --verbose=1 /usr/bin/gcc -O2 -I/home/buildroot/autobuild/run/instance-2/output-1/host/include -DCHECK_FUNCTION_EXISTS=pthread_create -L/home/buildroot/autobuild/run/instance-2/output-1/host/lib -Wl,-rpath,/home/buildroot/autobuild/run/instance-2/output-1/host/lib CMakeFiles/cmTC_205bf.dir/CheckFunctionExists.c.o -o cmTC_205bf -lpthread make[2]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/host-grpc-1.25.0/CMakeFiles/CMakeTmp' make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/host-grpc-1.25.0/CMakeFiles/CMakeTmp'