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# custom swift targets
bridge = join_paths(source_root, 'osdep/macOS_swift_bridge.h')
header = join_paths(build_root, 'osdep/macOS_swift.h')
module = join_paths(build_root, 'osdep/macOS_swift.swiftmodule')
target = join_paths(build_root, 'osdep/macOS_swift.o')
swift_flags = ['-frontend', '-c', '-sdk', macos_sdk_path,
'-enable-objc-interop', '-emit-objc-header', '-parse-as-library']
if swift_ver.version_compare('>=6.0')
swift_flags += ['-swift-version', '5']
endif
if get_option('debug')
swift_flags += '-g'
endif
if get_option('optimization') != '0'
swift_flags += '-O'
endif
extra_flags = get_option('swift-flags').split()
swift_flags += extra_flags
swift_compile = [swift_prog, swift_flags, '-module-name', 'macOS_swift',
'-emit-module-path', '@OUTPUT0@', '-import-objc-header', bridge,
'-emit-objc-header-path', '@OUTPUT1@', '-o', '@OUTPUT2@',
'@INPUT@', '-I.', '-I' + source_root,
'-I' + libplacebo.get_variable('includedir',
default_value: source_root / 'subprojects' / 'libplacebo' / 'src' / 'include')]
swift_targets = custom_target('swift_targets',
input: swift_sources,
output: ['macOS_swift.swiftmodule', 'macOS_swift.h', 'macOS_swift.o'],
command: swift_compile,
)
sources += swift_targets
swift_lib_dir_py = find_program(join_paths(tools_directory, 'macos-swift-lib-directory.py'))
swift_lib_dir = run_command(swift_lib_dir_py, swift_prog.full_path(), check: true).stdout()
message('Detected Swift library directory: ' + swift_lib_dir)
# linker flags
swift_link_flags = ['-L' + swift_lib_dir, '-Xlinker', '-rpath',
'-Xlinker', swift_lib_dir, '-rdynamic', '-Xlinker',
'-add_ast_path', '-Xlinker', module]
if swift_ver.version_compare('>=5.0')
swift_link_flags += ['-Xlinker', '-rpath', '-Xlinker',
'/usr/lib/swift', '-L/usr/lib/swift']
endif
add_project_link_arguments(swift_link_flags, language: ['c', 'objc'])
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