122 lines
4.4 KiB
CMake
122 lines
4.4 KiB
CMake
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# Locate and configure the Google Protocol Buffers library.
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# Defines the following variables:
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#
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# PROTOBUF_FOUND - Found the Google Protocol Buffers library
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# PROTOBUF_INCLUDE_DIRS - Include directories for Google Protocol Buffers
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# PROTOBUF_LIBRARIES - The protobuf library
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#
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# The following cache variables are also defined:
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# PROTOBUF_LIBRARY - The protobuf library
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# PROTOBUF_PROTOC_LIBRARY - The protoc library
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# PROTOBUF_INCLUDE_DIR - The include directory for protocol buffers
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# PROTOBUF_PROTOC_EXECUTABLE - The protoc compiler
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#
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# ====================================================================
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# Example:
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#
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# find_package(Protobuf REQUIRED)
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# include_directories(${PROTOBUF_INCLUDE_DIRS})
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#
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# include_directories(${CMAKE_CURRENT_BINARY_DIR})
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# PROTOBUF_GENERATE_CPP(PROTO_SRCS PROTO_HDRS foo.proto)
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# add_executable(bar bar.cc ${PROTO_SRCS} ${PROTO_HDRS})
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# target_link_libraries(bar ${PROTOBUF_LIBRARY})
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#
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# NOTE: You may need to link against pthreads, depending
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# on the platform.
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# ====================================================================
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#
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# PROTOBUF_GENERATE_CPP (public function)
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# SRCS = Variable to define with autogenerated
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# source files
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# HDRS = Variable to define with autogenerated
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# header files
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# ARGN = proto files
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#
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# ====================================================================
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#=============================================================================
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# Copyright 2009 Kitware, Inc.
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# Copyright 2009 Philip Lowman <philip@yhbt.com>
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# Copyright 2008 Esben Mose Hansen, Ange Optimization ApS
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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# (To distributed this file outside of CMake, substitute the full
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# License text for the above reference.)
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function(PROTOBUF_GENERATE_CPP SRCS HDRS)
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if(NOT ARGN)
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message(SEND_ERROR "Error: PROTOBUF_GENERATE_CPP() called without any proto files")
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return()
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endif(NOT ARGN)
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set(${SRCS})
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set(${HDRS})
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foreach(FIL ${ARGN})
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get_filename_component(ABS_FIL ${FIL} ABSOLUTE)
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get_filename_component(FIL_WE ${FIL} NAME_WE)
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list(APPEND ${SRCS} "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.cc")
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list(APPEND ${HDRS} "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.h")
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add_custom_command(
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OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.cc"
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"${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.h"
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COMMAND ${PROTOBUF_PROTOC_EXECUTABLE}
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ARGS --cpp_out ${CMAKE_CURRENT_BINARY_DIR} --proto_path ${CMAKE_CURRENT_SOURCE_DIR} ${ABS_FIL}
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DEPENDS ${ABS_FIL}
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COMMENT "Running C++ protocol buffer compiler on ${FIL}"
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VERBATIM )
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endforeach()
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set_source_files_properties(${${SRCS}} ${${HDRS}} PROPERTIES GENERATED TRUE)
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set(${SRCS} ${${SRCS}} PARENT_SCOPE)
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set(${HDRS} ${${HDRS}} PARENT_SCOPE)
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endfunction()
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find_path(PROTOBUF_INCLUDE_DIR google/protobuf/service.h)
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# Google's provided vcproj files generate libraries with a "lib"
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# prefix on Windows
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if(WIN32)
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set(PROTOBUF_ORIG_FIND_LIBRARY_PREFIXES "${CMAKE_FIND_LIBRARY_PREFIXES}")
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set(CMAKE_FIND_LIBRARY_PREFIXES "lib" "")
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endif()
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find_library(PROTOBUF_LIBRARY NAMES protobuf
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DOC "The Google Protocol Buffers Library"
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)
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find_library(PROTOBUF_PROTOC_LIBRARY NAMES protoc
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DOC "The Google Protocol Buffers Compiler Library"
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)
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find_program(PROTOBUF_PROTOC_EXECUTABLE NAMES protoc
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DOC "The Google Protocol Buffers Compiler"
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)
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mark_as_advanced(PROTOBUF_INCLUDE_DIR
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PROTOBUF_LIBRARY
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PROTOBUF_PROTOC_LIBRARY
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PROTOBUF_PROTOC_EXECUTABLE)
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# Restore original find library prefixes
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if(WIN32)
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set(CMAKE_FIND_LIBRARY_PREFIXES "${PROTOBUF_ORIG_FIND_LIBRARY_PREFIXES}")
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endif()
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include(FindPackageHandleStandardArgs)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(PROTOBUF DEFAULT_MSG
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PROTOBUF_LIBRARY PROTOBUF_INCLUDE_DIR)
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if(PROTOBUF_FOUND)
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set(PROTOBUF_INCLUDE_DIRS ${PROTOBUF_INCLUDE_DIR})
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set(PROTOBUF_LIBRARIES ${PROTOBUF_LIBRARY})
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endif()
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