2016-07-13 20:47:51 +00:00
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if(protobuf_VERBOSE)
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message(STATUS "Protocol Buffers Examples Configuring...")
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endif()
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get_filename_component(examples_dir "../examples" ABSOLUTE)
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if(protobuf_VERBOSE)
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message(STATUS "Protocol Buffers Examples Configuring done")
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endif()
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include(ExternalProject)
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# Internal utility function: Create a custom target representing a build of examples with custom options.
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function(add_examples_build NAME)
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ExternalProject_Add(${NAME}
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PREFIX ${NAME}
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SOURCE_DIR "${examples_dir}"
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BINARY_DIR ${NAME}
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STAMP_DIR ${NAME}/logs
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INSTALL_COMMAND "" #Skip
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LOG_CONFIGURE 1
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CMAKE_CACHE_ARGS "-DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}"
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"-Dprotobuf_VERBOSE:BOOL=${protobuf_VERBOSE}"
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${ARGN}
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)
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set_property(TARGET ${NAME} PROPERTY FOLDER "Examples")
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set_property(TARGET ${NAME} PROPERTY EXCLUDE_FROM_ALL TRUE)
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endfunction()
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# Add examples as an external project.
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# sub_directory cannot be used because the find_package(protobuf) call would cause failures with redefined targets.
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add_examples_build(examples "-Dprotobuf_DIR:PATH=${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_CMAKEDIR}")
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add_dependencies(examples libprotobuf protoc)
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option(protobuf_BUILD_EXAMPLES_MULTITEST "Build Examples in multiple configurations. Useful for testing." OFF)
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mark_as_advanced(protobuf_BUILD_EXAMPLES_MULTITEST)
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if(protobuf_BUILD_EXAMPLES_MULTITEST)
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set_property(GLOBAL PROPERTY USE_FOLDERS ON)
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#Build using the legacy compatibility module.
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add_examples_build(examples-legacy
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"-Dprotobuf_DIR:PATH=${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_CMAKEDIR}"
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"-Dprotobuf_MODULE_COMPATIBLE:BOOL=TRUE"
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)
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add_dependencies(examples-legacy libprotobuf protoc)
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#Build using the installed library.
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add_examples_build(examples-installed
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"-Dprotobuf_DIR:PATH=${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_CMAKEDIR}"
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)
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#Build using the installed library in legacy compatibility mode.
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add_examples_build(examples-installed-legacy
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"-Dprotobuf_DIR:PATH=${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_CMAKEDIR}"
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"-Dprotobuf_MODULE_COMPATIBLE:BOOL=TRUE"
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)
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endif()
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