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# Protocol Buffers - Google's data interchange format
# Copyright 2008 Google Inc. All rights reserved.
# https://developers.google.com/protocol-buffers/
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * 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.
# * Neither the name of Google Inc. 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
# OWNER 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.
#Changelog:
#copied from https://github.com/protocolbuffers/protobuf/blob/master/cmake/protobuf-config.cmake.in
#sed -i 's/protobuf_generate/onnxruntime_protobuf_generate/g' protobuf-config.cmake.orig
#replace 'protobuf::protoc' with ${PROTOC_EXECUTABLE} and ${PROTOC_DEPS}
#remove OUTDIR
#add compile options to generated C++ source files to work around warnings
function(onnxruntime_protobuf_generate)
include(CMakeParseArguments)
if(EXISTS "${ONNX_CUSTOM_PROTOC_EXECUTABLE}")
set(PROTOC_EXECUTABLE ${ONNX_CUSTOM_PROTOC_EXECUTABLE})
else()
set(PROTOC_EXECUTABLE $<TARGET_FILE:protobuf::protoc>)
set(PROTOC_DEPS protobuf::protoc)
endif()
set(_options APPEND_PATH NO_SRC_INCLUDES)
set(_singleargs LANGUAGE OUT_VAR EXPORT_MACRO GEN_SRC_PREFIX GEN_SRC_SUB_DIR)
if(COMMAND target_sources)
list(APPEND _singleargs TARGET)
endif()
set(_multiargs PROTOS IMPORT_DIRS GENERATE_EXTENSIONS)
cmake_parse_arguments(onnxruntime_protobuf_generate "${_options}" "${_singleargs}" "${_multiargs}" "${ARGN}")
if(NOT onnxruntime_protobuf_generate_PROTOS AND NOT onnxruntime_protobuf_generate_TARGET)
message(SEND_ERROR "Error: onnxruntime_protobuf_generate called without any targets or source files")
return()
endif()
if(NOT onnxruntime_protobuf_generate_OUT_VAR AND NOT onnxruntime_protobuf_generate_TARGET)
message(SEND_ERROR "Error: onnxruntime_protobuf_generate called without a target or output variable")
return()
endif()
if(NOT onnxruntime_protobuf_generate_LANGUAGE)
set(onnxruntime_protobuf_generate_LANGUAGE cpp)
endif()
string(TOLOWER ${onnxruntime_protobuf_generate_LANGUAGE} onnxruntime_protobuf_generate_LANGUAGE)
if(onnxruntime_protobuf_generate_EXPORT_MACRO AND onnxruntime_protobuf_generate_LANGUAGE STREQUAL cpp)
set(_dll_export_decl "dllexport_decl=${onnxruntime_protobuf_generate_EXPORT_MACRO}:")
endif()
if(NOT onnxruntime_protobuf_generate_EXTENSIONS)
if(onnxruntime_protobuf_generate_LANGUAGE STREQUAL cpp)
set(onnxruntime_protobuf_generate_EXTENSIONS .pb.h .pb.cc)
elseif(onnxruntime_protobuf_generate_LANGUAGE STREQUAL python)
set(onnxruntime_protobuf_generate_EXTENSIONS _pb2.py)
else()
message(SEND_ERROR "Error: onnxruntime_protobuf_generate given unknown Language ${LANGUAGE}, please provide a value for GENERATE_EXTENSIONS")
return()
endif()
endif()
if(onnxruntime_protobuf_generate_TARGET)
get_target_property(_source_list ${onnxruntime_protobuf_generate_TARGET} SOURCES)
foreach(_file ${_source_list})
if(_file MATCHES "proto$")
list(APPEND onnxruntime_protobuf_generate_PROTOS ${_file})
endif()
endforeach()
endif()
if(NOT onnxruntime_protobuf_generate_PROTOS)
message(SEND_ERROR "Error: onnxruntime_protobuf_generate could not find any .proto files")
return()
endif()
if (NOT onnxruntime_protobuf_generate_NO_SRC_INCLUDES)
if(onnxruntime_protobuf_generate_APPEND_PATH)
# Create an include path for each file specified
foreach(_file ${onnxruntime_protobuf_generate_PROTOS})
get_filename_component(_abs_file ${_file} ABSOLUTE)
get_filename_component(_abs_path ${_abs_file} PATH)
list(FIND _protobuf_include_path ${_abs_path} _contains_already)
if(${_contains_already} EQUAL -1)
list(APPEND _protobuf_include_path -I ${_abs_path})
endif()
endforeach()
else()
set(_protobuf_include_path -I ${CMAKE_CURRENT_SOURCE_DIR})
endif()
endif()
foreach(DIR ${onnxruntime_protobuf_generate_IMPORT_DIRS})
get_filename_component(ABS_PATH ${DIR} ABSOLUTE)
list(FIND _protobuf_include_path ${ABS_PATH} _contains_already)
if(${_contains_already} EQUAL -1)
list(APPEND _protobuf_include_path -I ${ABS_PATH})
endif()
endforeach()
set(_generated_srcs_all)
if (onnxruntime_protobuf_generate_GEN_SRC_PREFIX)
set(_src_prefix "${onnxruntime_protobuf_generate_GEN_SRC_PREFIX}")
else()
set(_src_prefix "")
endif()
if (onnxruntime_protobuf_generate_GEN_SRC_SUB_DIR)
set(_src_sub_dir "${onnxruntime_protobuf_generate_GEN_SRC_SUB_DIR}")
if (NOT EXISTS ${_dll_export_decl}${CMAKE_CURRENT_BINARY_DIR}/${_src_sub_dir})
file(MAKE_DIRECTORY ${_dll_export_decl}${CMAKE_CURRENT_BINARY_DIR}/${_src_sub_dir})
endif()
else()
set(_src_sub_dir "")
endif()
foreach(_proto ${onnxruntime_protobuf_generate_PROTOS})
get_filename_component(_abs_file ${_proto} ABSOLUTE)
get_filename_component(_basename ${_proto} NAME_WE)
set(_generated_srcs)
foreach(_ext ${onnxruntime_protobuf_generate_EXTENSIONS})
list(APPEND _generated_srcs "${CMAKE_CURRENT_BINARY_DIR}/${_src_sub_dir}${_src_prefix}${_basename}${_ext}")
endforeach()
list(APPEND _generated_srcs_all ${_generated_srcs})
if (onnxruntime_USE_FULL_PROTOBUF)
add_custom_command(
OUTPUT ${_generated_srcs}
COMMAND ${PROTOC_EXECUTABLE}
ARGS --${onnxruntime_protobuf_generate_LANGUAGE}_out ${_dll_export_decl}${CMAKE_CURRENT_BINARY_DIR}/${_src_sub_dir} ${_protobuf_include_path} ${_abs_file}
DEPENDS ${_abs_file} ${PROTOC_DEPS}
COMMENT "Running ${onnxruntime_protobuf_generate_LANGUAGE} protocol buffer (full) compiler on ${_proto}"
VERBATIM )
else()
add_custom_command(
OUTPUT ${_generated_srcs}
COMMAND ${PROTOC_EXECUTABLE}
ARGS --${onnxruntime_protobuf_generate_LANGUAGE}_out lite:${_dll_export_decl}${CMAKE_CURRENT_BINARY_DIR}/${_src_sub_dir} ${_protobuf_include_path} ${_abs_file}
DEPENDS ${_abs_file} ${PROTOC_DEPS}
COMMENT "Running ${onnxruntime_protobuf_generate_LANGUAGE} protocol buffer compiler (lite) on ${_proto}"
VERBATIM )
endif()
endforeach()
set_source_files_properties(${_generated_srcs_all} PROPERTIES GENERATED TRUE)
if(onnxruntime_protobuf_generate_LANGUAGE STREQUAL cpp)
# work around warnings from protobuf generated C++ code
# TODO remove these if possible when upgrading protobuf. hopefully we don't need to add to them.
set(_warning_options)
if(MSVC)
# google\protobuf\has_bits.h(74,0): Warning C4267: 'argument': conversion from 'size_t' to 'int', possible loss of data
list(APPEND _warning_options "/wd4267")
else()
# TODO remove when we upgrade to a protobuf version where this is fixed (looks like it is addressed in version 22.0+)
# google/protobuf/parse_context.h:328:47: error: implicit conversion loses integer precision: 'long' to 'int' [-Werror,-Wshorten-64-to-32]
# int chunk_size = buffer_end_ + kSlopBytes - ptr;
if(HAS_SHORTEN_64_TO_32)
list(APPEND _warning_options "-Wno-error=shorten-64-to-32")
endif()
endif()
if(_warning_options)
set_source_files_properties(${_generated_srcs_all} PROPERTIES COMPILE_OPTIONS ${_warning_options})
endif()
endif()
if(onnxruntime_protobuf_generate_OUT_VAR)
set(${onnxruntime_protobuf_generate_OUT_VAR} ${_generated_srcs_all} PARENT_SCOPE)
endif()
if(onnxruntime_protobuf_generate_TARGET)
target_sources(${onnxruntime_protobuf_generate_TARGET} PRIVATE ${_generated_srcs_all})
endif()
endfunction()
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