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 <file:///usr/share/doc/gcc-4.9/README.Bugs> for instructions.
make[2]: *** [source_subfolder/cmake/CMakeFiles/libprotoc.dir/__/src/google/protobuf/compiler/cpp/cpp_message.cc.o] Error 4
make[2]: *** Waiting for unfinished jobs....
Terminated
make[2]: *** [source_subfolder/cmake/CMakeFiles/libprotoc.dir/__/src/google/protobuf/compiler/cpp/cpp_message_field.cc.o] Error 143
g++: internal compiler error: Terminated (program cc1plus)
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-4.9/README.Bugs> for instructions.
make[2]: *** [source_subfolder/cmake/CMakeFiles/libprotoc.dir/__/src/google/protobuf/compiler/cpp/cpp_padding_optimizer.cc.o] Error 4
make[1]: *** [source_subfolder/cmake/CMakeFiles/libprotoc.dir/all] Terminated
make: *** [all] Error 2
protobuf/3.9.1: ERROR: Package '12e5893b8fc659201c13cf8aada0e395245207b9' build failed
protobuf/3.9.1: WARN: Build folder /home/conan/w/cci_PR-2037/.conan/data/protobuf/3.9.1/_/_/build/12e5893b8fc659201c13cf8aada0e395245207b9
ERROR: protobuf/3.9.1: Error in build() method, line 102
	cmake.build()
	ConanException: Error 2 while executing cmake --build '/home/conan/w/cci_PR-2037/.conan/data/protobuf/3.9.1/_/_/build/12e5893b8fc659201c13cf8aada0e395245207b9/build_subfolder' '--' '-j3'
Terminated