blob: 731068f9cdd01211d7b2bd29f6127cf92049538d [file] [log] [blame] [edit]
# Copyright 2023 The Dawn & Tint Authors
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
set(protobuf_INSTALL OFF CACHE BOOL "Install protobuf binaries and files" FORCE)
set(protobuf_BUILD_CONFORMANCE OFF CACHE BOOL "Build conformance tests" FORCE)
set(protobuf_BUILD_EXAMPLES OFF CACHE BOOL "Build examples" FORCE)
set(protobuf_BUILD_LIBPROTOC OFF CACHE BOOL "Build libprotoc" FORCE)
set(protobuf_BUILD_TESTS OFF CACHE BOOL "Controls whether protobuf tests are built" FORCE)
set(protobuf_MSVC_STATIC_RUNTIME OFF CACHE BOOL "Controls whether a protobuf static runtime is built" FORCE)
set(protobuf_BUILD_PROTOC_BINARIES ON CACHE BOOL "Build libprotoc and protoc compiler" FORCE)
set(protobuf_DISABLE_RTTI ON CACHE BOOL "Remove runtime type information in the binaries" FORCE)
add_subdirectory("${DAWN_PROTOBUF_DIR}/cmake")
target_compile_definitions(libprotobuf PUBLIC "-DGOOGLE_PROTOBUF_INTERNAL_DONATE_STEAL_INLINE=0")
# A simplified version of protobuf_generate()
function(generate_protos)
set(OPTIONS APPEND_PATH)
set(SINGLE_ARGS TARGET LANGUAGE EXPORT_MACRO PROTOC_OUT_DIR PLUGIN PLUGIN_OPTIONS)
set(MULTI_ARGS IMPORT_DIRS GENERATE_EXTENSIONS PROTOC_OPTIONS)
cmake_parse_arguments(ARGS "${OPTIONS}" "${SINGLE_ARGS}" "${MULTI_ARGS}" "${ARGN}")
if(NOT ARGS_TARGET)
message(FATAL_ERROR "generate_protos called without a target")
endif()
if(NOT ARGS_LANGUAGE)
set(ARGS_LANGUAGE cpp)
endif()
string(TOLOWER ${ARGS_LANGUAGE} ARGS_LANGUAGE)
if(NOT ARGS_PROTOC_OUT_DIR)
set(ARGS_PROTOC_OUT_DIR ${CMAKE_CURRENT_BINARY_DIR})
endif()
foreach(OPTION ${ARGS_PLUGIN_OPTIONS})
# append comma - not using CMake lists and string replacement as users
# might have semicolons in options
if(PLUGIN_OPTIONS)
set( PLUGIN_OPTIONS "${PLUGIN_OPTIONS},")
endif()
set(PLUGIN_OPTIONS "${PLUGIN_OPTIONS}${OPTION}")
endforeach()
if(ARGS_PLUGIN)
set(_plugin "--plugin=${ARGS_PLUGIN}")
endif()
if(NOT ARGS_GENERATE_EXTENSIONS)
if(ARGS_LANGUAGE STREQUAL cpp)
set(ARGS_GENERATE_EXTENSIONS .pb.h .pb.cc)
elseif(ARGS_LANGUAGE STREQUAL python)
set(ARGS_GENERATE_EXTENSIONS _pb2.py)
else()
message(FATAL_ERROR "generate_protos given unknown Language ${LANGUAGE}, please provide a value for GENERATE_EXTENSIONS")
endif()
endif()
if(ARGS_TARGET)
get_target_property(SOURCE_LIST ${ARGS_TARGET} SOURCES)
foreach(FILE ${SOURCE_LIST})
if(FILE MATCHES ".proto$")
list(APPEND PROTO_FILES ${FILE})
endif()
endforeach()
endif()
if(NOT PROTO_FILES)
message(FATAL_ERROR "generate_protos could not find any .proto files")
endif()
if(ARGS_APPEND_PATH)
# Create an include path for each file specified
foreach(FILE ${PROTO_FILES})
get_filename_component(ABS_FILE ${FILE} ABSOLUTE)
get_filename_component(ABS_PATH ${ABS_FILE} PATH)
list(FIND PROTOBUF_INCLUDE_PATH ${ABS_PATH} FOUND)
if(${FOUND} EQUAL -1)
list(APPEND PROTOBUF_INCLUDE_PATH -I ${ABS_PATH})
endif()
endforeach()
endif()
foreach(DIR ${ARGS_IMPORT_DIRS})
get_filename_component(ABS_PATH ${DIR} ABSOLUTE)
list(FIND PROTOBUF_INCLUDE_PATH ${ABS_PATH} FOUND)
if(${FOUND} EQUAL -1)
list(APPEND PROTOBUF_INCLUDE_PATH -I ${ABS_PATH})
endif()
endforeach()
if(NOT PROTOBUF_INCLUDE_PATH)
set(PROTOBUF_INCLUDE_PATH -I ${CMAKE_CURRENT_SOURCE_DIR})
endif()
set(ALL_GENERATED_SRCS)
foreach(PROTO_FILE ${PROTO_FILES})
get_filename_component(ABS_FILE ${PROTO_FILE} ABSOLUTE)
get_filename_component(ABS_DIR ${ABS_FILE} DIRECTORY)
get_filename_component(FILE_FULL_NAME ${PROTO_FILE} NAME)
string(FIND "${FILE_FULL_NAME}" "." FILE_LAST_EXT_POS REVERSE)
string(SUBSTRING "${FILE_FULL_NAME}" 0 ${FILE_LAST_EXT_POS} BASENAME)
set(SUITABLE_INCLUDE_FOUND FALSE)
foreach(DIR ${PROTOBUF_INCLUDE_PATH})
if(NOT DIR STREQUAL "-I")
file(RELATIVE_PATH REL_DIR ${DIR} ${ABS_DIR})
string(FIND "${REL_DIR}" "../" IS_IN_PARENT_FOLDER)
if (NOT ${IS_IN_PARENT_FOLDER} EQUAL 0)
set(SUITABLE_INCLUDE_FOUND TRUE)
break()
endif()
endif()
endforeach()
if(NOT SUITABLE_INCLUDE_FOUND)
message(FATAL_ERROR "generate_protos could not find any correct proto include directory.")
endif()
set(GENERATED_SRCS)
foreach(EXT ${ARGS_GENERATE_EXTENSIONS})
list(APPEND GENERATED_SRCS "${ARGS_PROTOC_OUT_DIR}/${REL_DIR}/${BASENAME}${EXT}")
endforeach()
list(APPEND ALL_GENERATED_SRCS ${GENERATED_SRCS})
set(COMMENT "Running ${ARGS_LANGUAGE} protocol buffer compiler on ${PROTO_FILE}")
if(ARGS_PROTOC_OPTIONS)
set(COMMENT "${COMMENT}, protoc-options: ${ARGS_PROTOC_OPTIONS}")
endif()
if(PLUGIN_OPTIONS)
set(COMMENT "${COMMENT}, plugin-options: ${PLUGIN_OPTIONS}")
endif()
add_custom_command(
OUTPUT ${GENERATED_SRCS}
COMMAND protobuf::protoc
ARGS ${ARGS_PROTOC_OPTIONS} --${ARGS_LANGUAGE}_out ${_plugin_options}:${ARGS_PROTOC_OUT_DIR} ${_plugin} ${PROTOBUF_INCLUDE_PATH} ${ABS_FILE}
DEPENDS ${ABS_FILE} protobuf::protoc
COMMENT ${COMMENT}
VERBATIM)
endforeach()
set_source_files_properties(${ALL_GENERATED_SRCS} PROPERTIES GENERATED TRUE)
if(ARGS_TARGET)
target_sources(${ARGS_TARGET} PRIVATE ${ALL_GENERATED_SRCS})
endif()
endfunction()