CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY
    protobuf_BUILD_LIBPROTOC


g++: fatal error: Terminated signal terminated program cc1plus
compilation terminated.
make[2]: *** [source_subfolder/cmake/CMakeFiles/libprotoc.dir/__/src/google/protobuf/compiler/objectivec/objectivec_generator.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/__/src/google/protobuf/compiler/objectivec/objectivec_helpers.cc.o] Error 1
g++: fatal error: Terminated signal terminated program cc1plus
compilation terminated.
make[2]: *** [source_subfolder/cmake/CMakeFiles/libprotoc.dir/__/src/google/protobuf/compiler/objectivec/objectivec_file.cc.o] Error 1
make[1]: *** [source_subfolder/cmake/CMakeFiles/libprotoc.dir/all] Error 2
make: *** [all] Error 2
ERROR: Exiting with code: 5