2024-07-24 18:57:00 -06:00
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enable_language(Swift)
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if (CMAKE_Swift_COMPILER_VERSION VERSION_LESS 6.0)
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message(FATAL_ERROR
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"Swift 6.0 or newer is required to parse C++ headers in C++23 mode"
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)
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endif()
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# FIXME: How to verify this on non-Apple?
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if (APPLE AND NOT CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
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message(FATAL_ERROR
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"Swift files must use Clang that was bundled with swiftc"
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)
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endif()
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include(${CMAKE_CURRENT_LIST_DIR}/InitializeSwift.cmake)
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include(${CMAKE_CURRENT_LIST_DIR}/GenerateSwiftHeader.cmake)
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add_compile_options("SHELL:$<$<COMPILE_LANGUAGE:Swift>:-Xcc -std=c++23 -cxx-interoperability-mode=default>")
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2024-07-29 17:42:53 -06:00
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# FIXME: https://gitlab.kitware.com/cmake/cmake/-/issues/26174
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if (APPLE)
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set(CMAKE_Swift_COMPILER_TARGET "${CMAKE_SYSTEM_PROCESSOR}-apple-macosx${CMAKE_OSX_DEPLOYMENT_TARGET}")
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endif()
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2024-08-17 12:51:34 -06:00
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# FIXME: https://gitlab.kitware.com/cmake/cmake/-/issues/26195
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# For now, we'll just manually massage the flags.
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function(swizzle_target_properties_for_swift target_name)
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get_property(compile_options TARGET ${target_name} PROPERTY INTERFACE_COMPILE_OPTIONS)
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set(munged_properties "")
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foreach(property IN LISTS compile_options)
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set(cxx_property "$<$<COMPILE_LANGUAGE:C,CXX,ASM>:${property}>")
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set(swift_property "SHELL:$<$<COMPILE_LANGUAGE:Swift>:-Xcc ${property}>")
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list(APPEND munged_properties "${cxx_property}" "${swift_property}")
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endforeach()
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set_property(TARGET ${target_name} PROPERTY INTERFACE_COMPILE_OPTIONS ${munged_properties})
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endfunction()
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