[5.5] Build PackageDescription and PackagePlugin universal on macOS platform #3536
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abertelrud
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tomerd
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Jun 9, 2021
…lugin libraries universal when cross-compiling. Also unify and clean up some of the logic by making the helper function that installs libSwiftPM be more generic, and also apply to PackageDescription and PackagePlugin. rdar://75186958 (cherry picked from commit 637fa7a)
…d PackagePlugin on macOS Because PackageDescription unintentionally exports Foundation (for which a fix was attempted but then reverted after it broke some packages), we can only enable library evolution on Darwin platforms. rdar://78827075 (cherry picked from commit 6e7bb87)
…brary evolution via unsafe flags There isn't currently a way for package authors to enable library evolution or module interfaces from the package manifest. They can pass `-enable-library-evolution` in their unsafe flags, but because `-emit-module-interface` requires a path parameter, it isn't something that can be set in the manifest. This adds a way to infer XCBuild settings based on values set in manifest-declared settings. The idea is to implement semantics appropriately for each platform based on generalized flags passed from the manifest. rdar://78773077 (cherry picked from commit 4569c7f)
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neonichu
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Jun 25, 2021
…ries, since these should not be part of the installed toolchain. (cherry picked from commit 3741792)
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Anything holding this up? My cross-compilation pull #3577 relies on this pull to cross-compile these libraries. |
No, it looks like this has all the necessary approvals. Merging. |
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This is the 5.5 cherry-pick of a sequence of changes to build PackageDescription and PackagePlugin universal on macOS platform. SwiftPM switches to the XCBuild build system when building universal, and this PR includes the necessary follow-up changes to make that work.
This includes 5.5 cherry-picks of the changes in:
#3431
#3526
#3528
each as a separate commit containing the original commit hash from which it was cherry-picked.
This PR builds on top of the PR #3492, which is kept as a separate PR since it is for a different issue.
The three are put up as one PR since they all are steps toward fixing the same issue.