Homebrew
How to depend on swift runtime support? #68
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Starting with macOS 10.14.4, it is integrated into the OS, otherwise you need to install the package from here: https://support.apple.com/kb/DL1998 How would you define this dependency in a formula? |
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Replies: 2 comments 6 replies
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You could do |
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No, it means that it expects the equivalent of the swift formula to be provided by macOS. |
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Yeah, the swift formula provides the build tools. What I'm asking would be useful when my formula is about a prebuilt cli tool that requires the swift 5 runtime, which is included in macOS 10.14.4+ and can be either embedded to support earlier versions or downloaded from the link I posted above. And since the primary use case is usually newer OS versions, it doesn't make sense embedding it over requiring the OS to have the runtime. |
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There's no real way to depend on system components. The best you can do is require mojave in this case. |
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I found this cask for it: https://github.com/thii/homebrew-swift-runtime/blob/master/Casks/swift-runtime.rb |
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Only if it's in a personal tap. Because formulae in homebrew/core can't depend on taps. |
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depends_on cask: "thii/swift-runtime/swift-runtime" if MacOS.version < "10.14.4"