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/java/java_helpers.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 <file:///usr/share/doc/gcc-4.9/README.Bugs> for instructions.
make[2]: *** [source_subfolder/cmake/CMakeFiles/libprotoc.dir/__/src/google/protobuf/compiler/java/java_file.cc.o] Error 4
g++: internal compiler error: Terminated (program cc1plus)
Terminated
make[2]: *** [source_subfolder/cmake/CMakeFiles/libprotoc.dir/__/src/google/protobuf/compiler/java/java_generator.cc.o] Error 143
make[1]: *** [source_subfolder/cmake/CMakeFiles/libprotoc.dir/all] Error 2
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 105
	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