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Merge e467b38d3d
into d6bcd3fb0b
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commit
14df797360
1 changed files with 9 additions and 8 deletions
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@ -1,16 +1,17 @@
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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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message(FATAL_ERROR "Swift 6.0 or newer is required to parse C++ headers in C++23 mode")
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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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# Check for a Swift-aware clang
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include(CheckCXXSourceCompiles)
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check_cxx_source_compiles([=[
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struct __attribute__((swift_name("CxxS"))) __attribute__((swift_attr("~Copyable"))) S { int& x; };
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int main() {}
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]=] CXX_COMPILER_SUPPORTS_SWIFT_ATTRS)
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if (NOT CXX_COMPILER_SUPPORTS_SWIFT_ATTRS)
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message(FATAL_ERROR "A Swift-aware C++ compiler is required to build with Swift interop enabled")
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endif()
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include(${CMAKE_CURRENT_LIST_DIR}/InitializeSwift.cmake)
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