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Symlink libclang_rt.builtins.a for Embedded Swift for WASI #213

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Merged
merged 2 commits into from
May 16, 2025
Merged

Symlink libclang_rt.builtins.a for Embedded Swift for WASI #213

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d022f27
Symlink `libclang_rt.builtins.a` for Embedded Swift for WASI
MaxDesiatov May 16, 2025
f2e39cb
Simplify the symlink pointing to a directory instead
MaxDesiatov May 16, 2025
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9 changes: 8 additions & 1 deletion Sources/SwiftSDKGenerator/SwiftSDKRecipes/WebAssemblyRecipe.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -181,7 +181,7 @@ package struct WebAssemblyRecipe: SwiftSDKRecipe {
)
}

let autolinkExtractPath = generator.pathsConfiguration.toolchainBinDirPath.appending(
let autolinkExtractPath = pathsConfiguration.toolchainBinDirPath.appending(
"swift-autolink-extract"
)

Expand All @@ -195,6 +195,13 @@ package struct WebAssemblyRecipe: SwiftSDKRecipe {
try await generator.createSymlink(at: autolinkExtractPath, pointingTo: "swift")
}

// Embedded Swift looks up clang compiler-rt in a different path.
let embeddedCompilerRTPath = pathsConfiguration.toolchainDirPath.appending(
"usr/lib/swift/clang/lib/wasip1"
)

try await generator.createSymlink(at: embeddedCompilerRTPath, pointingTo: "wasi")

// Copy the WASI sysroot into the SDK bundle.
let sdkDirPath = pathsConfiguration.swiftSDKRootPath.appending("WASI.sdk")
try await generator.rsyncContents(from: self.wasiSysroot, to: sdkDirPath)
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