Expand Up @@ -19,31 +19,42 @@
import Foundation
enum XCLibtoolCreateUniversalBinaryError: Error { enum XCCreateUniversalBinaryError: Error { /// Missing ar libraries that should constitute an universal build case missingInputLibrary }
/// Wrapper for `libtool` call for creating an universal binary class XCLibtoolCreateUniversalBinary: XCLibtoolLogic { /// Wrapper for `libtool`/`lipo` call for creating an universal binary class XCCreateUniversalBinary: XCLibtoolLogic { private let output: URL private let tempDir: URL private let firstInputURL: URL private let toolName: String private let fallbackCommand: String
init(output: String, inputs: [String]) throws { init( output: String, inputs: [String], toolName: String, fallbackCommand: String ) throws { self.output = URL(fileURLWithPath: output) guard let firstInput = inputs.first else { throw XCLibtoolCreateUniversalBinaryError.missingInputLibrary throw XCCreateUniversalBinaryError.missingInputLibrary } let firstInputURL = URL(fileURLWithPath: firstInput) // inputs are place in $TARGET_TEMP_DIR/Objects-normal/$ARCH/Binary/$TARGET_NAME.a // TODO: find better (stable) technique to determine `$TARGET_TEMP_DIR` errorLog("\(firstInputURL.absoluteString)")
tempDir = firstInputURL .deletingLastPathComponent() .deletingLastPathComponent() .deletingLastPathComponent() .deletingLastPathComponent() self.firstInputURL = firstInputURL self.toolName = toolName self.fallbackCommand = fallbackCommand }
func run() { Expand All @@ -55,7 +66,7 @@ class XCLibtoolCreateUniversalBinary: XCLibtoolLogic { config = try XCRemoteCacheConfigReader(srcRootPath: srcRoot.path, fileReader: fileManager) .readConfiguration() } catch { errorLog("Libtool initialization failed with error: \(error). Fallbacking to libtool") errorLog("\(toolName) initialization failed with error: \(error). Fallbacking to \(fallbackCommand)") fallbackToDefault() }
Expand All @@ -74,22 +85,21 @@ class XCLibtoolCreateUniversalBinary: XCLibtoolLogic { // that these are already an universal binary try fileManager.spt_forceLinkItem(at: firstInputURL, to: output) } catch { errorLog("Libtool failed with error: \(error). Fallbacking to libtool") errorLog("\(toolName) failed with error: \(error). Fallbacking to \(fallbackCommand)") do { try fileManager.removeItem(at: markerURL) fallbackToDefault() } catch { exit(1, "FATAL: libtool failed with error: \(error)") exit(1, "FATAL: \(fallbackCommand) failed with error: \(error)") } } }
private func fallbackToDefault() -> Never { let args = ProcessInfo().arguments let command = "libtool" let paramList = [command] + args.dropFirst() let paramList = [fallbackCommand] + args.dropFirst() let cargs = paramList.map { strdup($0) } + [nil] execvp(command, cargs) execvp(fallbackCommand, cargs)
/// C-function `execv` returns only when the command fails exit(1) Expand Down