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cross compilation support (configurable destinations)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,146 @@ | ||
| import Foundation | ||
| import Basic | ||
| import PackageModel | ||
|
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| enum HostDestinationError: Swift.Error { | ||
| /// Couldn't find the Xcode installation. | ||
| case invalidInstallation(problem: String) | ||
| } | ||
|
|
||
| extension HostDestinationError: CustomStringConvertible { | ||
| var description: String { | ||
| switch self { | ||
| case .invalidInstallation(let problem): | ||
| return problem | ||
| } | ||
| } | ||
| } | ||
|
|
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| enum DestinationFileError: Swift.Error { | ||
| /// Wrong version. | ||
| case destinationFileVersionMismatch(problem: String) | ||
| } | ||
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|
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| extension DestinationFileError: CustomStringConvertible { | ||
| var description: String { | ||
| switch self { | ||
| case .destinationFileVersionMismatch(let problem): | ||
| return problem | ||
| } | ||
| } | ||
| } | ||
|
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| public struct Destination { | ||
| public let target: String | ||
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| public let sdk: AbsolutePath | ||
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| public let toolchain: AbsolutePath | ||
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| public let dynamicLibraryExtension: String | ||
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| public let extraCCFlags: [String] | ||
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| public let extraSwiftCFlags: [String] | ||
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| public let extraCPPFlags: [String] | ||
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| public static func hostDestination() throws -> Destination { | ||
| #if os(macOS) | ||
| let sdkPath = try Process.checkNonZeroExit(args: "xcrun", "--sdk", "macosx", "--show-sdk-path").chomp() | ||
| guard !sdkPath.isEmpty else { | ||
| throw HostDestinationError.invalidInstallation(problem: "could not find default SDK") | ||
| } | ||
|
|
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| let platformPath = try Process.checkNonZeroExit(args: "xcrun", "--sdk", sdkPath, "--show-sdk-platform-path").chomp() | ||
| guard !platformPath.isEmpty else { | ||
| throw HostDestinationError.invalidInstallation(problem: "could not find SDK platform path for SDK \(sdkPath)") | ||
| } | ||
|
|
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| let sdkPlatformFrameworksPath = AbsolutePath(platformPath).appending(components: "Developer", "Library", "Frameworks") | ||
|
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| let devDirPath = try Process.checkNonZeroExit(args: "xcode-select", "-p").chomp() | ||
| let sysFWPath = AbsolutePath(sdkPath).appending(component: "System") | ||
| .appending(component: "Library") | ||
| .appending(component: "Frameworks").asString | ||
| let tcPath = AbsolutePath(devDirPath).appending(component: "Toolchains") | ||
| .appending(component: "XcodeDefault.xctoolchain") | ||
| return Destination(target: "x86_64-apple-macosx10.10", | ||
| sdk: AbsolutePath(sdkPath), | ||
| toolchain: tcPath, | ||
| dynamicLibraryExtension: "dylib", | ||
| extraCCFlags: ["-F", sdkPlatformFrameworksPath.asString], | ||
| extraSwiftCFlags: ["-F", sysFWPath, | ||
| "-F", sdkPlatformFrameworksPath.asString, | ||
| "-target", "x86_64-apple-macosx10.10", | ||
| "-sdk", sdkPath], | ||
| extraCPPFlags: ["-lc++"]) | ||
| #elseif os(Linux) | ||
| return Destination(target: "linux-unknown-x86_64", | ||
| sdk: AbsolutePath("/"), | ||
| toolchain: AbsolutePath(CommandLine.arguments[0], | ||
| relativeTo: currentWorkingDirectory) | ||
| .parentDirectory.parentDirectory.parentDirectory, | ||
| dynamicLibraryExtension: "so", | ||
| extraCCFlags: ["-fPIC"], | ||
| extraSwiftCFlags: [], | ||
| extraCPPFlags: ["-lstdc++"]) | ||
| #else | ||
| fatalError("unsupported OS, sorry") | ||
| #endif | ||
| } | ||
|
|
||
| public static func loadFromDescription(path: AbsolutePath, | ||
| fileSystem: FileSystem = localFileSystem) throws -> Destination { | ||
| let json = try JSON(bytes: try fileSystem.readFileContents(path)) | ||
| return try Destination.init(json: json) | ||
| } | ||
|
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| public func outputFile(name: String, type: PackageModel.ProductType) -> RelativePath { | ||
| switch type { | ||
| case .executable: | ||
| return RelativePath(name) | ||
| case .library(.static): | ||
| return RelativePath("lib\(name).a") | ||
| case .library(.dynamic): | ||
| return RelativePath("lib\(name).\(self.dynamicLibraryExtension)") | ||
| case .library(.automatic): | ||
| return RelativePath("please fix me, this file name shouldn't be used") | ||
| case .test: | ||
| let base = "\(name).xctest" | ||
| #if os(macOS) | ||
| return RelativePath("\(base)/Contents/MacOS/\(name)") | ||
| #else | ||
| return RelativePath(base) | ||
| #endif | ||
| } | ||
| } | ||
|
|
||
| #if os(macOS) | ||
| public func sdkPlatformFrameworkPath() -> AbsolutePath? { | ||
| if let platformPath = try? Process.checkNonZeroExit(args: "xcrun", | ||
| "--sdk", self.sdk.asString, | ||
| "--show-sdk-platform-path").chomp() | ||
| , !platformPath.isEmpty { | ||
| return AbsolutePath(platformPath).appending(components: "Developer", "Library", "Frameworks") | ||
| } else { | ||
| return nil | ||
| } | ||
| } | ||
| #endif | ||
| } | ||
|
|
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| extension Destination: JSONMappable { | ||
| public init(json: JSON) throws { | ||
| if !((json.get("version")).map ({ $0 == "1" }) ?? false) { | ||
| throw DestinationFileError.destinationFileVersionMismatch(problem: "expected version 1") | ||
| } | ||
| self.init(target: try json.get("target"), | ||
| sdk: AbsolutePath(try json.get("sdk")), | ||
| toolchain: AbsolutePath(try json.get("toolchain")), | ||
| dynamicLibraryExtension: try json.get("dynamic-library-extension"), | ||
| extraCCFlags: try json.get("extra-cc-flags"), | ||
| extraSwiftCFlags: try json.get("extra-swiftc-flags"), | ||
| extraCPPFlags: try json.get("extra-cpp-flags")) | ||
| } | ||
| } |
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