CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY g++: fatal error: Terminated signal terminated program cc1plus compilation terminated. make[2]: *** [source_subfolder/cmake/CMakeFiles/libprotoc.dir/build.make:167: source_subfolder/cmake/CMakeFiles/libprotoc.dir/__/src/google/protobuf/compiler/cpp/cpp_helpers.cc.o] Error 1 make[2]: *** Waiting for unfinished jobs.... g++: fatal error: Terminated signal terminated program cc1plus compilation terminated. make[2]: *** [source_subfolder/cmake/CMakeFiles/libprotoc.dir/build.make:141: source_subfolder/cmake/CMakeFiles/libprotoc.dir/__/src/google/protobuf/compiler/cpp/cpp_file.cc.o] Error 1 g++: fatal error: Terminated signal terminated program cc1plus compilation terminated. make[2]: *** [source_subfolder/cmake/CMakeFiles/libprotoc.dir/build.make:154: source_subfolder/cmake/CMakeFiles/libprotoc.dir/__/src/google/protobuf/compiler/cpp/cpp_generator.cc.o] Error 1 make[1]: *** [CMakeFiles/Makefile2:127: source_subfolder/cmake/CMakeFiles/libprotoc.dir/all] Error 2 make: *** [Makefile:130: all] Error 2 protobuf/3.9.1: ERROR: Package '038baac88f4c7bfa972ce5adac1616bed8fe2ef4' build failed protobuf/3.9.1: WARN: Build folder /home/conan/w/cci_PR-2037/.conan/data/protobuf/3.9.1/_/_/build/038baac88f4c7bfa972ce5adac1616bed8fe2ef4 ERROR: Exiting with code: 5