Bump to Swift 6.1 toolchain

.github/scripts/fix-toolchain.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+set -e
+
+# Find the path to swift binary
+SWIFT_PATH=$(which swift)
+echo "Swift binary found at: $SWIFT_PATH"
+
+# Extract the toolchain path from swift binary path
+# Remove /usr/bin/swift from the path to get the toolchain root
+TOOLCHAIN_ROOT=$(dirname $(dirname "$SWIFT_PATH"))
+echo "Toolchain root: $TOOLCHAIN_ROOT"
+
+# Construct the path to CFBase.h
+CFBASE_PATH="$TOOLCHAIN_ROOT/lib/swift/CoreFoundation/CFBase.h"
+echo "Looking for CFBase.h at: $CFBASE_PATH"
+
+# Check if the file exists
+if [ -f "$CFBASE_PATH" ]; then
+    echo "Found CFBase.h, applying patch..."
+
+    # Create a backup of the original file
+    cp "$CFBASE_PATH" "$CFBASE_PATH.bak"
+
+    # Replace the include line
+    sed -i 's/#include <ptrauth.h>/\/\/ #include <ptrauth.h>/g' "$CFBASE_PATH"
+
+    echo "Patch applied successfully."
+    echo "Original file backed up at $CFBASE_PATH.bak"
+else
+    echo "ERROR: Could not find CFBase.h in expected location."
+    echo "Toolchain structure may be different than expected."
+    exit 1
+fi

.github/workflows/compatibility_tests.yml

@@ -14,7 +14,7 @@ jobs:
       matrix:
         include:
           - os: macos-15
-            xcode-version: "16.0"   # Swift 6.0
+            xcode-version: "16.3"   # Swift 6.1
     runs-on: ${{ matrix.os }}
     env:
       OPENBOX_WERROR: 1

.github/workflows/ios.yml

@@ -13,7 +13,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [macos-15]
-        xcode-version: ["16.0"]   # Swift 6.0
+        xcode-version: ["16.3"]   # Swift 6.1
         ios-version: ["18.0"]
         include:
           - ios-version: "18.0"

.github/workflows/macos.yml

@@ -13,7 +13,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [macos-15]
-        xcode-version: [16.0]   # Swift 6.0
+        xcode-version: [16.3]   # Swift 6.1
     runs-on: ${{ matrix.os }}
     env:
       OPENBOX_WERROR: 1

.github/workflows/ubuntu.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        swift_version: ["6.0"]
+        swift_version: ["6.1"]
     runs-on: ubuntu-22.04
     env:
       OPENBOX_WERROR: 1
@@ -24,6 +24,10 @@ jobs:
       - name: Swift version
         run: |
           which swift && swift --version
+      - name: Toolchain fix patch
+        run: |
+          # Fix swift-corelibs-foundation#5211
+          .github/scripts/fix-toolchain.sh
       - name: Building and running tests in debug mode with coverage
         run: |
           swift test \

README.md

@@ -12,19 +12,25 @@ RenderBox is a high performance rendering engine written in C++.
 
 And it powers the underlying rendering of SwiftUI.
 
+The project is for the following purposes:
+- Add RB support for non-Apple platform (eg. Linux, WASI and Windows)
+- Diagnose and debug RB issues on Apple platform
+
+Currently, this project is in early development.
+
+## Build
+
+The current suggested toolchain to build the project is Swift 6.1 / Xcode 16.3.
+
+## Supported platforms
+
 | **CI Status** |
 |---|
 |[![Compatibility tests](https://github.com/OpenSwiftUIProject/OpenBox/actions/workflows/compatibility_tests.yml/badge.svg)](https://github.com/OpenSwiftUIProject/OpenBox/actions/workflows/compatibility_tests.yml)|
 |[![macOS](https://github.com/OpenSwiftUIProject/OpenBox/actions/workflows/macos.yml/badge.svg)](https://github.com/OpenSwiftUIProject/OpenBox/actions/workflows/macos.yml)|
 |[![iOS](https://github.com/OpenSwiftUIProject/OpenBox/actions/workflows/ios.yml/badge.svg)](https://github.com/OpenSwiftUIProject/OpenBox/actions/workflows/ios.yml)|
 |[![Ubuntu](https://github.com/OpenSwiftUIProject/OpenBox/actions/workflows/ubuntu.yml/badge.svg)](https://github.com/OpenSwiftUIProject/OpenBox/actions/workflows/ubuntu.yml)|
 
-The project is for the following purposes:
-- Add OB support for non-Apple platform (eg. Linux, WASI and Windows)
-- Diagnose and debug RB issues on Apple platform
-
-Currently, this project is in early development.
-
 ## License
 
 See LICENSE file - MIT