From 56178cd97c335a44317c297cce26a8d15692632e Mon Sep 17 00:00:00 2001
From: Hamish Knight <hamish_knight@apple.com>
Date: Tue, 12 Aug 2025 14:57:33 +0100
Subject: [PATCH] [xcodegen] Allow absolute path for output in compile commands

Looks like in newer versions of CMake this can be an absolute path.
---
 .../SwiftXcodeGen/BuildArgs/ClangBuildArgsProvider.swift        | 2 +-
 .../Sources/SwiftXcodeGen/Command/CompileCommands.swift         | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/utils/swift-xcodegen/Sources/SwiftXcodeGen/BuildArgs/ClangBuildArgsProvider.swift b/utils/swift-xcodegen/Sources/SwiftXcodeGen/BuildArgs/ClangBuildArgsProvider.swift
index a226e59499a83..4d9075406ca64 100644
--- a/utils/swift-xcodegen/Sources/SwiftXcodeGen/BuildArgs/ClangBuildArgsProvider.swift
+++ b/utils/swift-xcodegen/Sources/SwiftXcodeGen/BuildArgs/ClangBuildArgsProvider.swift
@@ -42,7 +42,7 @@ struct ClangBuildArgsProvider {
       else {
         continue
       }
-      let output = command.output.map { command.directory.appending($0) }
+      let output = command.output.map { $0.absolute(in: command.directory) }
       if let existing = commandsToAdd[relFilePath],
          let existingOutput = existing.output,
           output == nil || existingOutput.exists || !output!.exists {
diff --git a/utils/swift-xcodegen/Sources/SwiftXcodeGen/Command/CompileCommands.swift b/utils/swift-xcodegen/Sources/SwiftXcodeGen/Command/CompileCommands.swift
index 64b04c73a81c4..09c84e442fb96 100644
--- a/utils/swift-xcodegen/Sources/SwiftXcodeGen/Command/CompileCommands.swift
+++ b/utils/swift-xcodegen/Sources/SwiftXcodeGen/Command/CompileCommands.swift
@@ -27,7 +27,7 @@ extension CompileCommands {
   struct Element: Decodable {
     var directory: AbsolutePath
     var file: AbsolutePath
-    var output: RelativePath?
+    var output: AnyPath?
     var command: Command
   }
 }