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@grynspan grynspan commented Oct 1, 2025

Add workflow to build packages for iOS on a macOS VM. Can't run tests at this time, but we can at least confirm source compiles.

@grynspan grynspan requested a review from a team as a code owner October 1, 2025 17:18
Add workflow to build packages for iOS on a macOS VM. Can't run tests at this
time, but we can at least confirm source compiles.
@grynspan grynspan force-pushed the jgrynspan/build-packages-for-ios branch from 5c049c8 to ae72e5b Compare October 1, 2025 21:03
ios_build_command:
type: string
description: "macOS command to build the package for iOS"
default: "xcrun swift build --build-tests --sdk \"$(xcrun --sdk iphoneos --show-sdk-path)\" --triple arm64-apple-ios"
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@kkebo kkebo Oct 8, 2025

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IMHO, it would be better to use $(xcrun -f swift) instead of xcrun swift.

xcrun swift is fine with packages that do not contain executableTarget, but it causes the following errors with packages that contain executableTarget:

clang: warning: using sysroot for 'MacOSX' but targeting 'iPhone' [-Wincompatible-sysroot]

To prevent this, you can use $(xcrun -f swift) instead of xcrun swift.

Related discussion: https://forums.swift.org/t/getting-incompatible-sysroot-warning-when-compiling-for-ios-with-sdk-and-target-set/80584

You can easily reproduce this issue by the following steps:

mkdir foo && cd foo
swift package init --type executable --name Foo
xcrun swift build --sdk "$(xcrun --sdk iphoneos --show-sdk-path)" --triple arm64-apple-ios

@shahmishal shahmishal merged commit f1ef0dc into swiftlang:main Oct 22, 2025
95 of 96 checks passed
grynspan added a commit to swiftlang/swift-testing that referenced this pull request Oct 23, 2025
Enable iOS GitHub Actions workflow added in swiftlang/github-workflows#169.
grynspan added a commit to swiftlang/swift-testing that referenced this pull request Oct 23, 2025
Enable iOS GitHub Actions workflow added in
swiftlang/github-workflows#169.

### Checklist:

- [x] Code and documentation should follow the style of the [Style
Guide](https://github.com/apple/swift-testing/blob/main/Documentation/StyleGuide.md).
- [x] If public symbols are renamed or modified, DocC references should
be updated.
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4 participants