2015-11-17 17:22:37 +01:00
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cmake_minimum_required(VERSION 3.3)
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2021-09-14 00:13:48 +02:00
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if(POLICY CMP0126)
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cmake_policy(SET CMP0126 NEW)
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endif()
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2020-08-30 11:54:41 +02:00
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# NOTE: Force the Release mode configuration as there are some issues with the
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# debug information handling on macOS on certain Xcode builds.
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if(NOT CMAKE_CONFIGURATION_TYPES)
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set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build" FORCE)
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endif()
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# NOTE: enable shared libraries by default. Older Xcode releases do not play
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# well with static libraries, and Windows does not currently support static
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# libraries in Swift.
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set(BUILD_SHARED_LIBS YES)
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2015-11-17 17:22:37 +01:00
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project(SwiftOnly Swift)
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2019-11-11 23:01:05 +01:00
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if(NOT XCODE_VERSION VERSION_LESS 10.2)
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set(CMAKE_Swift_LANGUAGE_VERSION 5.0)
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elseif(NOT XCODE_VERSION VERSION_LESS 8.0)
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2016-10-30 18:24:19 +01:00
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set(CMAKE_Swift_LANGUAGE_VERSION 3.0)
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endif()
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2022-11-16 20:14:03 +01:00
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add_subdirectory(SubA)
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add_subdirectory(SubB)
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2020-08-30 11:54:41 +02:00
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set(CMAKE_Swift_MODULE_DIRECTORY ${CMAKE_BINARY_DIR}/swift)
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2015-11-17 17:22:37 +01:00
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add_executable(SwiftOnly main.swift)
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2022-11-16 20:14:03 +01:00
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target_compile_definitions(SwiftOnly PRIVATE SWIFTONLY)
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2019-11-11 23:01:05 +01:00
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2020-08-30 11:54:41 +02:00
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add_library(L L.swift)
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add_library(M M.swift)
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target_link_libraries(M PUBLIC
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L)
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add_library(N N.swift)
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target_link_libraries(N PUBLIC
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M)
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2019-11-11 23:01:05 +01:00
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# Dummy to make sure generation works with such targets.
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add_library(SwiftIface INTERFACE)
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2020-08-30 11:54:41 +02:00
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target_link_libraries(SwiftOnly PRIVATE SwiftIface)
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2023-05-23 16:38:00 +02:00
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# @_alwaysEmitIntoClient ensures that the function body is inserted into the
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# swiftmodule instead of as a symbol in the binary itself. I'm doing this to
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# avoid having to link the executable. There are some flags required in order to
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# link an executable into a library that I didn't see CMake emitting for Swift
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# on macOS. AEIC is the easiest workaround that still tests this functionality.
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# Unfortunately, AEIC was only added recently (~Swift 5.2), so we need to check
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# that it is available before using it.
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if(CMAKE_Swift_COMPILER_VERSION VERSION_GREATER_EQUAL 5.2)
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add_subdirectory("SwiftPlugin")
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endif()
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