cmake_minimum_required(VERSION 3.5) set(PROTO_COMPILER "protoc") set(PROTO_C_COMPILER "protoc-c") set(C_OUT_PATH "${CMAKE_CURRENT_LIST_DIR}/../proto-c") set(PY_OUT_PATH "${CMAKE_CURRENT_LIST_DIR}/../python") set(PROTO_SRCS "constants.proto" "sec0.proto" "sec1.proto" "session.proto") add_custom_target(c_proto COMMAND ${PROTO_C_COMPILER} --c_out=${C_OUT_PATH} -I . ${PROTO_SRCS} VERBATIM WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR} ) add_custom_target(python_proto COMMAND ${PROTO_COMPILER} --python_out=${PY_OUT_PATH} -I . ${PROTO_SRCS} VERBATIM WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR} ) add_custom_target(proto ALL DEPENDS c_proto python_proto VERBATIM WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR} )