function(compile_proto OUT_HDRS OUT_SRCS DESTDIR HDR_OUTPUT_DIR PROTO_DIR PROTO_FILES) foreach(P ${PROTO_FILES}) string(REPLACE .proto .pb.h HDR ${P}) set(HDR_RELATIVE ${HDR}) set(HDR ${DESTDIR}/${HDR}) string(REPLACE .proto .pb.cc SRC ${P}) set(SRC ${DESTDIR}/${SRC}) list(APPEND HDRS ${HDR}) list(APPEND SRCS ${SRC}) add_custom_command( OUTPUT ${HDR} ${SRC} COMMAND ${PROTOBUF_PROTOC_EXECUTABLE} ${PROTOC_FLAGS} -I${PROTO_DIR} --cpp_out=${DESTDIR} ${PROTO_DIR}/${P} COMMAND ${CMAKE_COMMAND} -E copy ${HDR} ${HDR_OUTPUT_DIR}/${HDR_RELATIVE} DEPENDS ${PROTO_DIR}/${P} ) endforeach() set(${OUT_HDRS} ${HDRS} PARENT_SCOPE) set(${OUT_SRCS} ${SRCS} PARENT_SCOPE) endfunction()