[swift-users] using "swift build" with code that depends on frameworks

[Ankit Aggarwal]

Hi,

Yep the ordering was fixed in this PR:
https://github.com/apple/swift-package-manager/pull/715
SwiftPM will offer build settings in future to handle this properly.

On Tue, Jan 31, 2017 at 11:05 PM, Aaron Bohannon via swift-users <
swift-users at swift.org> wrote:

> I am trying to compile code for macOS that depends on the AudioKit
> framework.
>
> This can be done using `swiftc`, as long as one passes the flag `-target
> x86_64-apple-macosx10.11`.
>
> So, in theory, it should be possible to use `swift build` by passing it
> these flags:
>
>     -Xswiftc -target -Xswiftc x86_64-apple-macosx10.11
>
> Unfortunately, `swift build` fails with this error:
>
>     error: module file's minimum deployment target is OS X v10.11
>
> By passing `--verbose` to `swift build`, I learned that `swift build` is
> invoking `swiftc` with two copies of the `-target` flag:
>
>     -target x86_64-apple-macosx10.11 -target x86_64-apple-macosx10.10
>
> ... and the second one is apparently overriding the first.  It seems this
> issue was noted on the swift-build-dev list several months ago:
> https://lists.swift.org/pipermail/swift-build-dev/Week-of-
> Mon-20160919/000637.html
>
> I am running macOS 10.11 with Xcode 8.2.1.  Has the bug been fixed in a
> development version of swift?  If not, what work-around do you suggest?
>
> Perhaps it would be simplest to recompile the AudioKit framework so that
> it has a minimum deployment target of macosx10.10?  That project's scripts
> use xcodebuild to compile the framework, and they do not seem to explicitly
> specify a deployment target anywhere, but presumably this can be done by
> adding a line to the appropriate .xcconfig file.  Does anyone know what
> line would need to be added?
>
> - Aaron
>
>
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>
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