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Add SDKROOT when proxying on macOS based on xcrun information #316

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Merged
merged 3 commits into from
Apr 16, 2025
Merged

Add SDKROOT when proxying on macOS based on xcrun information #316

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87cbd1e
Add SDKROOT when proxying on macOS based on xcrun information
cmcgee1024 Apr 11, 2025
c650821
Merge branch 'main' of https://github.com/swiftlang/swiftly into set_…
cmcgee1024 Apr 14, 2025
85c6ac9
Strip newlines from xcrun output
cmcgee1024 Apr 15, 2025
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9 changes: 9 additions & 0 deletions Sources/SwiftlyCore/Platform.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -210,6 +210,15 @@ extension Platform {
newEnv[key] = value
}

#if os(macOS)
// On macOS, we try to set SDKROOT if its empty for tools like clang++ that need it to
// find standard libraries that aren't in the toolchain, like libc++. Here we
// use xcrun to tell us what the default sdk root should be.
if newEnv["SDKROOT"] == nil {
newEnv["SDKROOT"] = (try? await self.runProgramOutput("/usr/bin/xcrun", "--show-sdk-path"))
}
#endif

try self.runProgram([commandToRun] + arguments, env: newEnv)
}

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