Compile an old version of Swift from source

What's the easiest way to compile a 2.2.x version of Swift from source? AFAIK there's no clear way to know which ref you have to checkout from Swift dependency repos, like LLVM or Swift-Clang, because there's not a standard tag naming for release versions across repositories.

Thank you,
Daniel

There should be for the actual releases and Apple-released previews. I see a swift-2.2.1-RELEASE tag in both swift-llvm and swift. Note that SwiftPM and the corelibs version of libdispatch were not part of the Swift 2.2 release.

Jordan

···

On Sep 7, 2016, at 15:30, Daniel Martín via swift-dev <swift-dev@swift.org> wrote:

What's the easiest way to compile a 2.2.x version of Swift from source? AFAIK there's no clear way to know which ref you have to checkout from Swift dependency repos, like LLVM or Swift-Clang, because there's not a standard tag naming for release versions across repositories.

Thank you,
Daniel

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