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Passthrough -tools-directory as -B to clang linker for Wasm target #1551

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merged 2 commits into from
Feb 27, 2024
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Passthrough -tools-directory as -B to clang linker for Wasm target #1551

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Passthrough `-tools-directory` as `-B` to clang linker for Wasm target
kateinoigakukun Feb 26, 2024
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kateinoigakukun Feb 26, 2024
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4 changes: 4 additions & 0 deletions Sources/SwiftDriver/Jobs/WebAssemblyToolchain+LinkerSupport.swift
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Expand Up @@ -73,6 +73,10 @@ extension WebAssemblyToolchain {
if let tool = lookupExecutablePath(filename: "clang", searchPaths: [toolsDir]) {
clangPath = tool
}

// Look for binutils in the toolchain folder.
commandLine.appendFlag("-B")
commandLine.appendPath(toolsDir)
}

guard !parsedOptions.hasArgument(.noStaticStdlib, .noStaticExecutable) else {
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20 changes: 20 additions & 0 deletions Tests/SwiftDriverTests/SwiftDriverTests.swift
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Expand Up @@ -4367,6 +4367,26 @@ final class SwiftDriverTests: XCTestCase {
XCTAssertEqual(frontendJobs.count, 2)
XCTAssertEqual(frontendJobs[1].kind, .link)
XCTAssertEqual(frontendJobs[1].tool.absolutePath!.pathString, ld.pathString)

// WebAssembly toolchain
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do {
try withTemporaryDirectory { resourceDir in
try localFileSystem.writeFileContents(resourceDir.appending(components: "wasi", "static-executable-args.lnk")) {
$0.send("garbage")
}
var driver = try Driver(args: ["swiftc",
"-target", "wasm32-unknown-wasi",
"-resource-dir", resourceDir.pathString,
"-tools-directory", tmpDir.pathString,
"foo.swift"],
env: env)
let frontendJobs = try driver.planBuild().removingAutolinkExtractJobs()
XCTAssertEqual(frontendJobs.count, 2)
XCTAssertTrue(frontendJobs[1].commandLine.contains(subsequence: [
.flag("-B"), .path(.absolute(tmpDir))
]))
}
}
}
}

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