69 lines
2.5 KiB
CMake
69 lines
2.5 KiB
CMake
|
# Copyright 2022 Google LLC. All rights reserved.
|
||
|
|
#
|
||
|
|
# Use of this source code is governed by a BSD-style
|
||
|
|
# license that can be found in the LICENSE file or at
|
||
|
|
# https://developers.google.com/open-source/licenses/bsd
|
||
|
|
|
||
|
|
# Define a custom function to create protobuf libraries. This is similar to
|
||
|
|
# the one defined in the CMake FindProtobuf.cmake module, but allows us to more
|
||
|
|
# easily hook into the protobuf submodule to do the work instead of searching
|
||
|
|
# for a system-wide installation.
|
||
|
|
|
||
|
|
function(add_proto_library NAME)
|
||
|
|
cmake_parse_arguments(PARSE_ARGV
|
||
|
|
# How many arguments to skip (1 for the library name)
|
||
|
|
1
|
||
|
|
# Prefix for automatic variables created by the parser
|
||
|
|
ADD_PROTO_LIBRARY
|
||
|
|
# Options for the function, passed directly to add_library
|
||
|
|
"STATIC;SHARED;MODULE;EXCLUDE_FROM_ALL"
|
||
|
|
# One-value arguments
|
||
|
|
""
|
||
|
|
# Multi-value arguments
|
||
|
|
"")
|
||
|
|
|
||
|
|
if(${ADD_PROTO_LIBRARY_STATIC})
|
||
|
|
set(ADD_PROTO_LIBRARY_TYPE STATIC)
|
||
|
|
elseif(${ADD_PROTO_LIBRARY_SHARED})
|
||
|
|
set(ADD_PROTO_LIBRARY_TYPE SHARED)
|
||
|
|
elseif(${ADD_PROTO_LIBRARY_MODULE})
|
||
|
|
set(ADD_PROTO_LIBRARY_TYPE MODULE)
|
||
|
|
else()
|
||
|
|
set(ADD_PROTO_LIBRARY_TYPE)
|
||
|
|
endif()
|
||
|
|
|
||
|
|
if(${ADD_PROTO_LIBRARY_EXCLUDE_FROM_ALL})
|
||
|
|
set(ADD_PROTO_LIBRARY_EXCLUDE_FROM_ALL EXCLUDE_FROM_ALL)
|
||
|
|
else()
|
||
|
|
set(ADD_PROTO_LIBRARY_EXCLUDE_FROM_ALL)
|
||
|
|
endif()
|
||
|
|
|
||
|
|
set(ADD_PROTO_LIBRARY_GENERATED_SOURCES)
|
||
|
|
foreach(_path ${ADD_PROTO_LIBRARY_UNPARSED_ARGUMENTS})
|
||
|
|
get_filename_component(_dir ${_path} DIRECTORY)
|
||
|
|
get_filename_component(_basename ${_path} NAME_WLE)
|
||
|
|
|
||
|
|
set(_generated_cpp "${CMAKE_CURRENT_BINARY_DIR}/${_dir}/${_basename}.pb.cc")
|
||
|
|
set(_generated_h "${CMAKE_CURRENT_BINARY_DIR}/${_dir}/${_basename}.pb.h")
|
||
|
|
list(APPEND ADD_PROTO_LIBRARY_GENERATED_SOURCES
|
||
|
|
${_generated_cpp} ${_generated_h})
|
||
|
|
|
||
|
|
add_custom_command(
|
||
|
|
OUTPUT ${_generated_cpp} ${_generated_h}
|
||
|
|
COMMAND protoc
|
||
|
|
ARGS -I${CMAKE_CURRENT_SOURCE_DIR}/${_dir} --cpp_out=${CMAKE_CURRENT_BINARY_DIR}/${_dir} ${CMAKE_CURRENT_SOURCE_DIR}/${_path}
|
||
|
|
DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${_path} protoc
|
||
|
|
COMMENT "Running C++ protocol buffer compiler on ${_path}"
|
||
|
|
VERBATIM)
|
||
|
|
endforeach()
|
||
|
|
|
||
|
|
add_library(${NAME}
|
||
|
|
${ADD_PROTO_LIBRARY_TYPE}
|
||
|
|
${ADD_PROTO_LIBRARY_EXCLUDE_FROM_ALL}
|
||
|
|
${ADD_PROTO_LIBRARY_GENERATED_SOURCES})
|
||
|
|
target_link_libraries(${NAME} libprotobuf)
|
||
|
|
|
||
|
|
# Anyone who depends on this proto library will need this include directory.
|
||
|
|
target_include_directories(${NAME} PUBLIC "${CMAKE_BINARY_DIR}")
|
||
|
|
endfunction()
|