From e73c59019fa4d4b6bfc9daa31fe5959e5a067d3a Mon Sep 17 00:00:00 2001
From: Konrad Malawski <ktoso@apple.com>
Date: Mon, 1 Jun 2026 21:31:14 +0900
Subject: [PATCH] Fix source break in swift-subprocess

For now sticking to supporting 6.1 still by locking subprocess to 0.4
---
 Package.swift                                                 | 2 +-
 .../SwiftJavaTool/Commands/JavaCallbacksBuildCommand.swift    | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Package.swift b/Package.swift
index e009119d4..800a9a0ca 100644
--- a/Package.swift
+++ b/Package.swift
@@ -140,7 +140,7 @@ let package = Package(
     .package(url: "https://github.com/apple/swift-system", from: "1.4.0"),
     .package(url: "https://github.com/apple/swift-log", from: "1.2.0"),
     .package(url: "https://github.com/apple/swift-collections", from: "1.3.0"), // primarily for ordered collections
-    .package(url: "https://github.com/swiftlang/swift-subprocess.git", from: "0.4.0", traits: ["SubprocessFoundation"]),
+    .package(url: "https://github.com/swiftlang/swift-subprocess.git", "0.4.0"..<"0.5.0", traits: ["SubprocessFoundation"]),
 
     // Benchmarking
     .package(url: "https://github.com/ordo-one/package-benchmark", .upToNextMajor(from: "1.4.0")),
diff --git a/Sources/SwiftJavaTool/Commands/JavaCallbacksBuildCommand.swift b/Sources/SwiftJavaTool/Commands/JavaCallbacksBuildCommand.swift
index 3d737f047..1182e3c08 100644
--- a/Sources/SwiftJavaTool/Commands/JavaCallbacksBuildCommand.swift
+++ b/Sources/SwiftJavaTool/Commands/JavaCallbacksBuildCommand.swift
@@ -269,8 +269,8 @@ private func runSubprocess(
     .path(FilePath(executable)),
     arguments: .init(arguments),
     environment: environment,
-    output: .standardOutput,
-    error: .standardError,
+    output: FileDescriptorOutput.standardOutput,
+    error: FileDescriptorOutput.standardError,
   )
   guard result.terminationStatus.isSuccess else {
     throw JavaCallbacksBuildError(