<unknown>:0: warning: using sysroot for 'MacOSX' but targeting 'iPhone'
/Applications/Xcode_11.2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/System/Library/Frameworks/IOKit.framework/Headers/usb/USBSpec.h:38:10: error: 'IOKit/usb/IOUSBHostFamily.h' file not found
#include <IOKit/usb/IOUSBHostFamily.h>
^
/Applications/Xcode_11.2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/System/Library/Frameworks/IOKit.framework/Headers/usb/USBSpec.h:38:10: note: did not find header 'usb/IOUSBHostFamily.h' in framework 'IOKit' (loaded from '/Applications/Xcode_11.2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/System/Library/Frameworks')
#include <IOKit/usb/IOUSBHostFamily.h>
^
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "Headers/CoreGraphics.h"
^
/Applications/Xcode_11.2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/System/Library/Frameworks/CoreGraphics.framework/Headers/CoreGraphics.h:42:10: note: in file included from /Applications/Xcode_11.2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/System/Library/Frameworks/CoreGraphics.framework/Headers/CoreGraphics.h:42:
#include <CoreGraphics/CGDisplayConfiguration.h>
^
/Applications/Xcode_11.2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/System/Library/Frameworks/CoreGraphics.framework/Headers/CGDisplayConfiguration.h:12:10: error: could not build module 'IOKit'
#include <IOKit/IOKitLib.h>
^
/Library/Developer/Toolchains/swift-5.1.2-RELEASE.xctoolchain/usr/lib/swift/iphonesimulator/CoreGraphics.swiftmodule/x86_64.swiftinterface:4:19: error: could not build Objective-C module 'CoreGraphics'
@_exported import CoreGraphics
^
/Library/Developer/Toolchains/swift-5.1.2-RELEASE.xctoolchain/usr/lib/swift/iphonesimulator/Foundation.swiftmodule/x86_64.swiftinterface:5:8: error: failed to load module 'CoreGraphics'
import CoreGraphics
^
/Library/Developer/Toolchains/swift-5.1.2-RELEASE.xctoolchain/usr/lib/swift/iphonesimulator/UIKit.swiftmodule/x86_64.swiftinterface:4:8: error: failed to load module 'Foundation'
import Foundation
^
<unknown>:0: error: failed to load module 'UIKit'
/Applications/Xcode_11.2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/System/Library/Frameworks/IOKit.framework/Headers/usb/USBSpec.h:38:10: error: 'IOKit/usb/IOUSBHostFamily.h' file not found
#include <IOKit/usb/IOUSBHostFamily.h>
^
/Applications/Xcode_11.2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/System/Library/Frameworks/IOKit.framework/Headers/usb/USBSpec.h:38:10: note: did not find header 'usb/IOUSBHostFamily.h' in framework 'IOKit' (loaded from '/Applications/Xcode_11.2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/System/Library/Frameworks')
#include <IOKit/usb/IOUSBHostFamily.h>
^
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "Headers/CoreGraphics.h"
^
/Applications/Xcode_11.2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/System/Library/Frameworks/CoreGraphics.framework/Headers/CoreGraphics.h:42:10: note: in file included from /Applications/Xcode_11.2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/System/Library/Frameworks/CoreGraphics.framework/Headers/CoreGraphics.h:42:
#include <CoreGraphics/CGDisplayConfiguration.h>
^
/Applications/Xcode_11.2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/System/Library/Frameworks/CoreGraphics.framework/Headers/CGDisplayConfiguration.h:12:10: error: could not build module 'IOKit'
#include <IOKit/IOKitLib.h>
^
/Library/Developer/Toolchains/swift-5.1.2-RELEASE.xctoolchain/usr/lib/swift/iphonesimulator/CoreGraphics.swiftmodule/x86_64.swiftinterface:4:19: error: could not build Objective-C module 'CoreGraphics'
@_exported import CoreGraphics
^
/Library/Developer/Toolchains/swift-5.1.2-RELEASE.xctoolchain/usr/lib/swift/iphonesimulator/Foundation.swiftmodule/x86_64.swiftinterface:5:8: error: failed to load module 'CoreGraphics'
import CoreGraphics
^
Failed to load module: UIKit
Command '['/Library/Developer/Toolchains/swift-5.1.2-RELEASE.xctoolchain/usr/bin/swift-api-digester', '-sdk', '/Applications/Xcode_11.2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk', '-target', 'x86_64-apple-ios13.0-macabi', '-dump-sdk', '-module-cache-path', '/tmp/ModuleCache', '-swift-version', '5', '-abort-on-module-fail', '-iframework', '/Applications/Xcode_11.2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/System/iOSSupport/System/Library/Frameworks', '-module', 'UIKit', '-o', 'uikit.json']' returned non-zero exit status 1
Environment
macOS 10.15 Catalina Tried two OSS toolchains, development from November 17, 2019, and Swift 5.1.2 release toolchain.Additional Detail from JIRA
| | | |------------------|-----------------| |Votes | 0 | |Component/s | Source Tooling | |Labels | Bug | |Assignee | None | |Priority | Medium | md5: 4932617e19fdc7b165ae36c8b64eed65Issue Description:
Running:
`xcrun swift-api-checker.py --module UIKit --target iosmac --action=dump --output uikit.json`
Errors with:
`
/Library/Developer/Toolchains/swift-5.1.2-RELEASE.xctoolchain/usr/lib/swift/iphonesimulator`
Seems like compiler tries to import Swift libraries meant for the iOS simulator.