diff options
Diffstat (limited to 'docs/markdown/snippets')
| -rw-r--r-- | docs/markdown/snippets/swift-pass-c-compiler-options.md | 7 | ||||
| -rw-r--r-- | docs/markdown/snippets/swift_cxx_interoperability.md | 16 |
2 files changed, 17 insertions, 6 deletions
diff --git a/docs/markdown/snippets/swift-pass-c-compiler-options.md b/docs/markdown/snippets/swift-pass-c-compiler-options.md index 3610a8e..90904b9 100644 --- a/docs/markdown/snippets/swift-pass-c-compiler-options.md +++ b/docs/markdown/snippets/swift-pass-c-compiler-options.md @@ -1,8 +1,9 @@ ## Swift compiler receives select C family compiler options -Meson now passes select few C family (C/Obj-C) compiler options to the -Swift compiler, notably *-std=*, in order to improve the compatibility -of C code as interpreted by the C compiler and the Swift compiler. +Meson now passes select few C family (C/C++/Obj-C/Obj-C++) compiler +options to the Swift compiler, notably *-std=*, in order to improve +the compatibility of C code as interpreted by the C compiler and the +Swift compiler. NB: This does not include any of the options set in the target's c_flags. diff --git a/docs/markdown/snippets/swift_cxx_interoperability.md b/docs/markdown/snippets/swift_cxx_interoperability.md index f18e114..9e324f9 100644 --- a/docs/markdown/snippets/swift_cxx_interoperability.md +++ b/docs/markdown/snippets/swift_cxx_interoperability.md @@ -1,13 +1,23 @@ ## Swift/C++ interoperability is now supported It is now possible to create Swift executables that can link to C++ or -Objective-C++ libraries. Only specifying a bridging header for the Swift -target is required. +Objective-C++ libraries. To enable this feature, set the target kwarg +_swift\_interoperability\_mode_ to 'cpp'. + +To import C++ code, specify a bridging header in the Swift target's +sources, or use another way such as adding a directory containing a +Clang module map to its include path. + +Note: Enabling C++ interoperability in a library target is a breaking +change. Swift libraries that enable it need their consumers to enable +it as well, as per [the Swift documentation][1]. Swift 5.9 is required to use this feature. Xcode 15 is required if the Xcode backend is used. ```meson lib = static_library('mylib', 'mylib.cpp') -exe = executable('prog', 'main.swift', 'mylib.h', link_with: lib) +exe = executable('prog', 'main.swift', 'mylib.h', link_with: lib, swift_interoperability_mode: 'cpp') ``` + +[1]: https://www.swift.org/documentation/cxx-interop/project-build-setup/#vending-packages-that-enable-c-interoperability |