protobuf.cmake

INCLUDE(ExternalProject)

SET(PROTOBUF_SOURCES_DIR ${THIRD_PARTY_PATH}/protobuf-2.5.0)
SET(PROTOBUF_INSTALL_DIR ${PROTOBUF_SOURCES_DIR}/output)
SET(PROTOBUF_INCLUDE_DIR "${PROTOBUF_INSTALL_DIR}/include" CACHE PATH "gflags include directory." FORCE)

ExternalProject_Add(
    extern_protobuf
    DOWNLOAD_DIR ${THIRD_PARTY_PATH}
    DOWNLOAD_COMMAND rm -rf  ${PROTOBUF_SOURCES_DIR} && wget https://github.com/google/protobuf/releases/download/v2.5.0/protobuf-2.5.0.tar.gz -O protobuf-2.5.0.tar.gz && tar zxvf protobuf-2.5.0.tar.gz
    CONFIGURE_COMMAND cd ${PROTOBUF_SOURCES_DIR} && ./autogen.sh && CXXFLAGS=-fPIC ./configure prefix=${PROTOBUF_INSTALL_DIR}
    BUILD_COMMAND cd ${PROTOBUF_SOURCES_DIR} && make -j 12
    INSTALL_COMMAND cd ${PROTOBUF_SOURCES_DIR} && make install && cp -r ${PROTOBUF_INSTALL_DIR}/lib ${THIRD_PARTY_PATH} && cp -r ${PROTOBUF_INSTALL_DIR}/include ${THIRD_PARTY_PATH} && cp ${PROTOBUF_INSTALL_DIR}/bin/protoc ${THIRD_PARTY_PATH}/lib
)
ADD_LIBRARY(protobuf STATIC IMPORTED GLOBAL)
SET_PROPERTY(TARGET protobuf PROPERTY IMPORTED_LOCATION ${PROTOBUF_INSTALL_DIR}/lib/libprotobuf.a)
ADD_DEPENDENCIES(protobuf extern_protobuf)

SET(Protobuf_PROTOC_EXECUTABLE "${PROTOBUF_INSTALL_DIR}/bin/protoc")
LIST(APPEND external_project_dependencies protobuf)