Hi, Currently in Swift 3 release of SwiftPM, you cannot override this setting. A proper solution to this problem is yet to be built in SwiftPM however in the mean time this patch was landed to allow overrides by passing custom args: https://github.com/apple/swift-package-manager/pull/715 It is available in a recent trunk snapshot from swift.org
Also, while passing custom arguments to swift build, escape each argument with the prefix eg: *`-Xswiftc -target x86_64-apple-macosx10.12` **should be:** `**-Xswiftc -target **-Xswiftc **x86_64-apple-macosx10.12`* On Mon, Oct 17, 2016 at 5:23 AM, Edward Connell via swift-users < swift-users@swift.org> wrote: > Hi, I've written a Swift (with some C) framework the builds and runs > cleanly in Xcode 8. > A critical feature of my project is for my framework to run on MacOS, iOS, > and Linux. > I am trying to figure out how to build using the SPM so I can run on > Ubuntu. > I'm not so happy with the project structure now, but at least I think I am > almost there. > > I've hit a sticking point that I can't seem to figure out. The SPM sets > the target SDK to 10.10 by default. > Features in Swift 3.0 that I am using require at least 10.11. When I type: > > *swift build -Xcc -I/usr/local/include -Xswiftc -j4 -Xlinker > -L/usr/local/lib -Xlinker -lpng -Xlinker -ljpeg* > > The build bombs with: > > "... error: 'init(fileURLWithPath:relativeTo:)' is only available on OS X > 10.11 or newer" > > How do I set the correct OS version?? > > I looked at the Xcode settings and tried to pass them through, but there > seems to be an argument parsing error by SPM. > I am currently trying: > > *swift build -Xcc -I/usr/local/include -Xswiftc -j4 -Xswiftc -sdk > /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk > -Xswiftc -target x86_64-apple-macosx10.12 -Xlinker -L/usr/local/lib > -Xlinker -lpng -Xlinker -ljpeg* > > And I get: > > error: unknown command: /Applications/Xcode.app/ > Contents/Developer/Platforms/MacOSX.platform/Developer/ > SDKs/MacOSX10.12.sdk > > So it seems it thinks the parameter is a command. > > *How do you set the sdk and target versions through swift build to fix > this problem?* > > Thanks, Ed > > > *Configuration*: > > MacBook Pro (Retina, 13-inch, Early 2015) > > Sierra 10.12 (16A323) > > Xcode Version 8.0 (8A218a) > > > > > > > _______________________________________________ > swift-users mailing list > swift-users@swift.org > https://lists.swift.org/mailman/listinfo/swift-users > > -- Ankit
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