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protobufConfig.cmake.in
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protobufConfig.cmake.in
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#=============================================================================
# Copyright 2009 Kitware, Inc.
# Copyright 2009-2011 Philip Lowman <[email protected]>
# Copyright 2008 Esben Mose Hansen, Ange Optimization ApS
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# protoc logic taken from CMake's FindProto.cmake.
#
# cmcurlConfig.cmake - the config file for curl.
set(protobuf_INCLUDE_DIRS "@PROTOBUF_INCLUDE_DIRS@")
set(protobuf_EXPORTS_FILE "@PROTOBUF_EXPORTS_FILE@")
include("${protobuf_EXPORTS_FILE}")
#-------------------------------------------------------------------------------
# Macro to call protoc on multiple proto files
#
# PROTOC (outfile proto_file )
macro(protoc outfile proto_file )
GET_FILENAME_COMPONENT(basename ${proto_file} NAME_WE)
GET_FILENAME_COMPONENT(absolute ${proto_file} ABSOLUTE)
GET_FILENAME_COMPONENT(path ${absolute} PATH)
SET(${outfile} ${CMAKE_CURRENT_BINARY_DIR}/${basename}.pb.cc)
ADD_CUSTOM_COMMAND(
OUTPUT ${${outfile}}
COMMAND protoc_compiler --cpp_out=${CMAKE_CURRENT_BINARY_DIR} --proto_path ${path} ${absolute}
DEPENDS ${proto_file} protoc_compiler
)
endmacro()
function(PROTOBUF_GENERATE_CPP SRCS HDRS)
if(NOT ARGN)
message(SEND_ERROR "Error: PROTOBUF_GENERATE_CPP() called without any proto files")
return()
endif()
if(PROTOBUF_GENERATE_CPP_APPEND_PATH)
# Create an include path for each file specified
foreach(FIL ${ARGN})
get_filename_component(ABS_FIL ${FIL} ABSOLUTE)
get_filename_component(ABS_PATH ${ABS_FIL} 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()
if(DEFINED PROTOBUF_IMPORT_DIRS)
foreach(DIR ${PROTOBUF_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 ${ABS_PATH})
endif()
endforeach()
endif()
set(${SRCS})
set(${HDRS})
foreach(FIL ${ARGN})
get_filename_component(ABS_FIL ${FIL} ABSOLUTE)
get_filename_component(FIL_WE ${FIL} NAME_WE)
list(APPEND ${SRCS} "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.cc")
list(APPEND ${HDRS} "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.h")
add_custom_command(
OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.cc"
"${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.h"
COMMAND protoc_compiler
ARGS --cpp_out ${CMAKE_CURRENT_BINARY_DIR} ${_protobuf_include_path} ${ABS_FIL}
DEPENDS ${ABS_FIL}
COMMENT "Running C++ protocol buffer compiler on ${FIL}"
VERBATIM )
endforeach()
set_source_files_properties(${${SRCS}} ${${HDRS}} PROPERTIES GENERATED TRUE)
set(${SRCS} ${${SRCS}} PARENT_SCOPE)
set(${HDRS} ${${HDRS}} PARENT_SCOPE)
endfunction()