CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY g++: internal compiler error: Terminated (program cc1plus) Please submit a full bug report, with preprocessed source if appropriate. See for instructions. make[2]: *** [source_subfolder/cmake/CMakeFiles/libprotobuf-lite.dir/__/src/google/protobuf/stubs/time.cc.o] Error 4 make[1]: *** [source_subfolder/cmake/CMakeFiles/libprotobuf-lite.dir/all] Error 2 make[1]: *** Waiting for unfinished jobs.... g++: internal compiler error: Terminated (program cc1plus) Please submit a full bug report, with preprocessed source if appropriate. See for instructions. make[2]: *** [source_subfolder/cmake/CMakeFiles/libprotobuf.dir/__/src/google/protobuf/api.pb.cc.o] Error 4 make[2]: *** Waiting for unfinished jobs.... g++: internal compiler error: Terminated (program cc1plus) Please submit a full bug report, with preprocessed source if appropriate. See for instructions. make[2]: *** [source_subfolder/cmake/CMakeFiles/libprotobuf.dir/__/src/google/protobuf/any.pb.cc.o] Error 4 make[2]: *** [source_subfolder/cmake/CMakeFiles/libprotobuf.dir/__/src/google/protobuf/compiler/importer.cc.o] Terminated make[1]: *** [source_subfolder/cmake/CMakeFiles/libprotobuf.dir/all] Terminated make: *** [all] Error 2 protobuf/3.9.1: ERROR: Package 'b759e10106fc0b4923414b05bb78eba0bbc8b30b' build failed protobuf/3.9.1: WARN: Build folder /home/conan/w/cci_PR-2037/.conan/data/protobuf/3.9.1/_/_/build/b759e10106fc0b4923414b05bb78eba0bbc8b30b ERROR: protobuf/3.9.1: Error in build() method, line 105 cmake.build() ConanException: Error 2 while executing cmake --build '/home/conan/w/cci_PR-2037/.conan/data/protobuf/3.9.1/_/_/build/b759e10106fc0b4923414b05bb78eba0bbc8b30b/build_subfolder' '--' '-j3' Terminated