diff options
Diffstat (limited to 'waftools/detections/compiler_swift.py')
-rw-r--r-- | waftools/detections/compiler_swift.py | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/waftools/detections/compiler_swift.py b/waftools/detections/compiler_swift.py new file mode 100644 index 0000000000..36f4f0b432 --- /dev/null +++ b/waftools/detections/compiler_swift.py @@ -0,0 +1,71 @@ +from waflib import Utils + +def __run(cmd): + try: + cmd = Utils.subprocess.Popen(cmd, + stdout=Utils.subprocess.PIPE, + stderr=Utils.subprocess.PIPE, + shell=True) + output = cmd.stdout.read().strip() + return output + except Exception: + return "" + +def __add_swift_flags(ctx): + ctx.env.SWIFT_FLAGS = ('-frontend -c -sdk %s -enable-objc-interop -emit-objc-header' + ' -emit-module -parse-as-library') % (ctx.env.MACOS_SDK) + swift_version = __run(ctx.env.SWIFT + ' -version').split(' ')[3].split('.') + major, minor, sub = [int(n) for n in swift_version] + + # the -swift-version parameter is only supported on swift 3.1 and newer + if major >= 3 and minor >= 1 or major >= 4: + ctx.env.SWIFT_FLAGS += ' -swift-version 3' + + if ctx.is_optimization(): + ctx.env.SWIFT_FLAGS += ' -O' + +def __add_swift_library_linking_flags(ctx, swift_library): + ctx.env.append_value('LINKFLAGS', [ + '-L%s' % swift_library, + '-Xlinker', '-force_load_swift_libs', '-lc++', + ]) + +def __find_swift_library(ctx): + swift_library_paths = [ + 'Toolchains/XcodeDefault.xctoolchain/usr/lib/swift_static/macosx', + 'usr/lib/swift_static/macosx' + ] + dev_path = __run('xcode-select -p')[1:] + + ctx.start_msg('Checking for Swift Library') + for path in swift_library_paths: + swift_library = ctx.root.find_dir([dev_path, path]) + if swift_library is not None: + ctx.end_msg(swift_library) + __add_swift_library_linking_flags(ctx, swift_library) + return + ctx.end_msg(None, "RED") + +def __find_macos_sdk(ctx): + ctx.start_msg('Checking for macOS SDK') + sdk = __run('xcrun --sdk macosx --show-sdk-path') + if sdk != "": + ctx.end_msg(sdk) + ctx.env.MACOS_SDK = sdk + else: + ctx.end_msg(None, "RED") + +def __find_swift_compiler(ctx): + ctx.start_msg('Checking for swift (Swift compiler)') + swift = __run('xcrun -find swift') + if swift != "": + ctx.end_msg(swift) + ctx.env.SWIFT = swift + __add_swift_flags(ctx) + __find_swift_library(ctx) + else: + ctx.end_msg(None, "RED") + +def configure(ctx): + __find_macos_sdk(ctx) + __find_swift_compiler(ctx) |