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if(NOT CMAKE_SCRIPT_MODE_FILE)
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set(PROTOBUF_DIR ${CMAKE_CURRENT_LIST_DIR}/protobuf)
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set(PROTOBUF_BUILD ${PROJECT_BINARY_DIR}/protobuf-build)
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set(PROTOBUF_BINARY ${PROJECT_BINARY_DIR}/protobuf-binary)
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set(PROTOBUF_SRC ${PROJECT_BINARY_DIR}/protobuf-src)
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configure_file(${CMAKE_CURRENT_LIST_DIR}/protobuf-CMakeLists.cmake ${PROTOBUF_BUILD}/CMakeLists.txt)
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if(NOT CMAKE_GENERATOR)
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set(CMAKE_GENERATOR "Ninja")
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endif()
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|
execute_process(COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" .
|
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|
|
RESULT_VARIABLE result
|
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|
|
WORKING_DIRECTORY ${PROTOBUF_BUILD} )
|
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|
|
if(result)
|
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|
|
message(FATAL_ERROR "CMake step for protobuf failed: ${result}")
|
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|
|
endif()
|
|
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|
|
# execute_process(COMMAND ${CMAKE_COMMAND} --build .
|
|
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|
|
# RESULT_VARIABLE result
|
|
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|
|
# WORKING_DIRECTORY ${PROTOBUF_BUILD})
|
|
|
|
|
# if(result)
|
|
|
|
|
# message(FATAL_ERROR "Build step for protobuf failed: ${result}")
|
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|
|
# endif()
|
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|
|
|
|
|
set(PROTOC ${PROTOBUF_BINARY}/protoc)
|
|
|
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|
|
|
|
|
|
add_custom_command(OUTPUT ${PROTOC}
|
|
|
|
|
COMMENT "Building protoc binary"
|
|
|
|
|
COMMAND ${CMAKE_COMMAND} --build .
|
|
|
|
|
USES_TERMINAL
|
|
|
|
|
WORKING_DIRECTORY ${PROTOBUF_BUILD})
|
|
|
|
|
endif()
|
|
|
|
|
|
|
|
|
|
# find_program(PROTOC protoc PATHS ${CMAKE_CURRENT_LIST_DIR}/protobuf/cmake/build/)
|
|
|
|
|
|
|
|
|
|
function(proto_generate_cpp PROTO_FILE PB_OUT HDR_VAR SRC_VAR)
|
|
|
|
|
get_filename_component(PROTO_FILE_NAME ${PROTO_FILE} NAME_WE)
|
|
|
|
|
get_filename_component(PROTO_FILE_PATH ${PROTO_FILE} ABSOLUTE BASE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
|
|
|
|
|
get_filename_component(PROTO_FILE_DIR ${PROTO_FILE_PATH} DIRECTORY)
|
|
|
|
|
set(PROTO_HDR "${PB_OUT}/${PROTO_FILE_NAME}.pb.h")
|
|
|
|
|
set(PROTO_SRC "${PB_OUT}/${PROTO_FILE_NAME}.pb.cc")
|
|
|
|
|
set(${HDR_VAR} ${${HDR_VAR}} ${PROTO_HDR} PARENT_SCOPE)
|
|
|
|
|
set(${SRC_VAR} ${${SRC_VAR}} ${PROTO_SRC} PARENT_SCOPE)
|
|
|
|
|
if(NOT CMAKE_SCRIPT_MODE_FILE)
|
|
|
|
|
add_custom_command(OUTPUT ${PROTO_HDR} ${PROTO_SRC}
|
|
|
|
|
COMMAND ${PROTOC}
|
|
|
|
|
--cpp_out=${PB_OUT}
|
|
|
|
|
--proto_path ${PROTO_FILE_DIR}
|
|
|
|
|
${PROTO_FILE_PATH}
|
|
|
|
|
DEPENDS ${PROTO_FILE_PATH} ${PROTOC}
|
|
|
|
|
COMMENT "Generating nanopb sources for ${PROTO_FILE}")
|
|
|
|
|
set_property(SOURCE ${PROTO_HDR} ${PROTO_SRC} PROPERTY GENERATED TRUE)
|
|
|
|
|
set_property(DIRECTORY . APPEND PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${PROTO_HDR} ${PROTO_SRC})
|
|
|
|
|
endif()
|
|
|
|
|
endfunction()
|
