Build both host and target toolchains on CI #1387
Merged
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Both
libPackageDescription.dylib
andswiftc
used to compile package manifests should come from the same toolchain for SwiftPM to work on macOS. This is resolved here by re-reverting the previous change #1024 to build both host and target toolchain in one go on CI. I'm wary of the disk space/time limit constraints, but I think those should be resolved separately when they appear, otherwise SwiftPM is completely broken on macOS currently. Resolves #1365.