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bf11253163
Allow the `Swift` language to be enabled with the Xcode generator for Xcode >= 6.1. Reject it on other generators and with older Xcode versions. Since Apple is the only vendor implementing the language right now, the compiler id can be just `Apple`.
54 lines
2.0 KiB
CMake
54 lines
2.0 KiB
CMake
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#=============================================================================
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# Copyright 2002-2015 Kitware, Inc.
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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 distribute this file outside of CMake, substitute the full
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# License text for the above reference.)
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include(${CMAKE_ROOT}/Modules/CMakeDetermineCompiler.cmake)
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if("${CMAKE_GENERATOR}" STREQUAL "Xcode")
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if(XCODE_VERSION VERSION_LESS 6.1)
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message(FATAL_ERROR "Swift language not supported by Xcode ${XCODE_VERSION}")
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endif()
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set(CMAKE_Swift_COMPILER_XCODE_TYPE sourcecode.swift)
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_cmake_find_compiler_path(Swift)
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else()
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message(FATAL_ERROR "Swift language not supported by \"${CMAKE_GENERATOR}\" generator")
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endif()
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# Build a small source file to identify the compiler.
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if(NOT CMAKE_Swift_COMPILER_ID_RUN)
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set(CMAKE_Swift_COMPILER_ID_RUN 1)
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list(APPEND CMAKE_Swift_COMPILER_ID_MATCH_VENDORS Apple)
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set(CMAKE_Swift_COMPILER_ID_MATCH_VENDOR_REGEX_Apple "com.apple.xcode.tools.swift.compiler")
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set(CMAKE_Swift_COMPILER_ID_TOOL_MATCH_REGEX "\nCompileSwiftSources[^\n]*(\n[ \t]+[^\n]*)*\n[ \t]+([^ \t\r\n]+)[^\r\n]* -c[^\r\n]*CompilerIdSwift/CompilerId/main.swift")
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set(CMAKE_Swift_COMPILER_ID_TOOL_MATCH_INDEX 2)
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# Try to identify the compiler.
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set(CMAKE_Swift_COMPILER_ID)
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include(${CMAKE_ROOT}/Modules/CMakeDetermineCompilerId.cmake)
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CMAKE_DETERMINE_COMPILER_ID(Swift "" CompilerId/main.swift)
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endif()
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if (NOT _CMAKE_TOOLCHAIN_LOCATION)
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get_filename_component(_CMAKE_TOOLCHAIN_LOCATION "${CMAKE_Swift_COMPILER}" PATH)
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endif ()
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include(CMakeFindBinUtils)
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# configure variables set in this file for fast reload later on
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configure_file(${CMAKE_ROOT}/Modules/CMakeSwiftCompiler.cmake.in
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${CMAKE_PLATFORM_INFO_DIR}/CMakeSwiftCompiler.cmake
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@ONLY
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)
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