Created
October 21, 2013 11:17
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This Gist demonstrates how to integrate the compilation of Protocol Buffer files into your CMake project
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| # Protobuf setup, these should be set to your project's directories, and currently assumes | |
| # that everything is relative to CMAKE_SOURCE_DIR (the directory CMake is run from) | |
| set (PROTO_IN_DIR ${CMAKE_SOURCE_DIR}/proto) | |
| set (PROTO_OUT_DIR ${CMAKE_SOURCE_DIR}/build/proto) | |
| set (PROTOC_BIN ${CMAKE_SOURCE_DIR}/thirdparty/protobuf/bin/protoc) | |
| set (PROTOC_INCLUDE_DIR ${CMAKE_SOURCE_DIR}/thirdparty/protobuf/include) | |
| set (PROTOC_LIB_DIR ${CMAKE_SOURCE_DIR}/thirdparty/protobuf/lib | |
| # Protobuf files | |
| set (PROTO_FILES | |
| ${PROTO_DIR}/common.proto | |
| ${PROTO_DIR}/packet.proto | |
| ${PROTO_DIR}/rpc.proto) | |
| # Protobuf output files | |
| foreach (PROTO_FILE ${PROTO_FILES}) | |
| get_filename_component (PROTO_NAME ${PROTO_FILE} NAME_WE) | |
| set (PROTO_SRC_FILES ${PROTO_SRC_FILES} | |
| ${PROTOC_OUT_DIR}/${PROTO_NAME}.pb.cc) | |
| set (PROTO_INCLUDE_FILES ${PROTO_INCLUDE_FILES} | |
| ${PROTOC_OUT_DIR}/${PROTO_NAME}.pb.h) | |
| endforeach (PROTO_FILE ${PROTO_FILES}) | |
| # Custom protobuf command | |
| file (MAKE_DIRECTORY ${PROTOC_SRC_DIR}) | |
| add_custom_command ( | |
| OUTPUT ${PROTO_SRC_FILES} ${PROTO_INCLUDE_FILES} | |
| COMMAND ${PROTOC_BIN} ${PROTO_FILES} | |
| --proto_path=${PROTO_IN_DIR} | |
| --cpp_out=${PROTOC_OUT_DIR} | |
| DEPENDS ${PROTO_FILES} | |
| WORKING_DIRECTORY ${PROTO_IN_DIR}) | |
| # Add Protobuf to compiler and linker command lines | |
| include_directotries (${PROTOC_INCLUDE_DIR}) | |
| link_directories (${PROTOC_LIB_DIR}) |
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