Building protobuf-python v2.5.0 with C++ implementation for Centos 7

build.sh

    # Install build tools
    sudo yum -y install epel-release
    sudo yum -y install rpm-devel rpm-build rpmdevtools python-setuptools python-devel
    sudo yum -y install mock
    sudo yum -y install fedora-packager
    
    # Install build dependencies
    sudo yum install automake libtool emacs emacs-el java-devel jpackage-utils  maven-local maven-compiler-plugin maven-install-plugin maven-jar-plugin  maven-javadoc-plugin maven-resources-plugin maven-surefire-plugin maven-antrun-plugin
    
    # Add user to 'mock' group, or create new user in 'mock' group.
    sudo usermod -a -G mock vagrant
    
    rpmdev-setuptree
    
    rpm --nomd5 -ih http://dl.fedoraproject.org/pub/epel/7/SRPMS/p/protobuf-2.5.0-7.el7.src.rpm
    
    # Modify spec file
    sed -i -- 's/get_python_lib()/get_python_lib(plat_specific=True)/g' ~/rpmbuild/SPECS/protobuf.spec
    sed -i -- 's/build\/lib\/google\/protobuf\/descriptor_pb2.py/build\/lib*\/google\/protobuf\/descriptor_pb2.py/g' ~/rpmbuild/SPECS/protobuf.spec
    sed -i -- 's/python .\/setup.py/PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION=cpp  LDFLAGS="-L..\/src\/.libs" CPLUS_INCLUDE_PATH=..\/src\/ python .\/setup.py/g' ~/rpmbuild/SPECS/protobuf.spec
    
    rpmbuild-md5 -bs ~/rpmbuild/SPECS/protobuf.spec
    mock --rebuild ~/rpmbuild/SRPMS/protobuf-2.5.0-7.el7.centos.src.rpm
    
    

test.py

try:
    from google.protobuf.internal import cpp_message
except ImportError:
    print "Fail!"
else:
    print "Success!"

Note: To use C++ implementation set PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION to cpp:

export PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION=cpp

References:

• https://fedoraproject.org/wiki/Mock
• https://www.zabbix.org/wiki/Docs/howto/rebuild_rpms
• http://blog.packagecloud.io/eng/2015/05/11/building-rpm-packages-with-mock/