Update various toolchains for 4.6

- Fedora 43
- SCons 4.10.1
- MinGW 13.0.0 with GCC 15.2.1 and binutils 2.45
- Emscripten 4.0.20
- Xcode 26.1.1

files/extract_xcode_sdks.sh

@@ -0,0 +1,94 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+# Configurable variables (can be set via env)
+XCODE_APP_PATH="${XCODE_APP_PATH:-/root/xcode/Xcode.app}"
+XCODE_XIP_PATH="${XCODE_XIP_PATH:-/root/files/Xcode_${XCODE_SDKV}.xip}"
+EXTRACT_FROM_XIP="${EXTRACT_FROM_XIP:-1}"
+
+OUT_DIR="${OUT_DIR:-/root/files}"
+
+# SDK versions (should be set via env or Dockerfile)
+APPLE_SDKV="${APPLE_SDKV:-}"
+
+# Which SDKs to extract (set to 1 to enable)
+# Note: These defaults are overridden below based on execution context
+
+# Optionally extract Xcode.app from .xip if needed
+if [[ "$EXTRACT_FROM_XIP" == "1" ]]; then
+  mkdir -p /root/xcode
+  cd /root/xcode
+  xar -xf "$XCODE_XIP_PATH"
+  /root/pbzx/pbzx -n Content | cpio -i
+  XCODE_APP_PATH="/root/xcode/Xcode.app"
+fi
+
+if [[ "${EXTRACT_FROM_XIP:-1}" == "1" ]]; then
+  EXTRACT_MACOS="${EXTRACT_MACOS:-1}"
+  EXTRACT_XCODE="${EXTRACT_XCODE:-1}"
+else
+  # When called manually, require explicit SDK selection
+  EXTRACT_MACOS="${EXTRACT_MACOS:-0}"
+  EXTRACT_XCODE="${EXTRACT_XCODE:-0}"
+fi
+
+extract_and_pack() {
+  local sdk_dir="$1"
+  local sdk_name="$2"
+  local versioned_name="$3"
+  local tar_name="$4"
+
+  if [[ -d "$sdk_dir/$sdk_name" ]]; then
+
+    # Use tar to copy and preserve everything, then repackage
+    echo "=== Copying SDK using tar to preserve special files ==="
+    cd "$sdk_dir"
+    tar -cf - "$sdk_name" | tar -xf - -C /tmp
+
+    # Rename to versioned name
+    mv "/tmp/$sdk_name" "/tmp/$versioned_name"
+
+    # Verify SDKSettings.json exists and has content
+    if [[ -f "/tmp/$versioned_name/SDKSettings.json" ]]; then
+      echo "=== SDKSettings.json found, size: $(wc -c < "/tmp/$versioned_name/SDKSettings.json") bytes ==="
+      echo "=== MD5 check ==="
+      echo "Source file MD5: $(md5sum "$sdk_dir/$sdk_name/SDKSettings.json" | cut -d' ' -f1)"
+      echo "Copied file MD5: $(md5sum "/tmp/$versioned_name/SDKSettings.json" | cut -d' ' -f1)"
+    else
+      echo "⚠️  Warning: SDKSettings.json not found in extracted SDK"
+    fi
+
+    # Create tar with versioned directory name
+    tar -cJf "/tmp/$tar_name" -C "/tmp" "$versioned_name"
+
+    # Clean up temporary directory
+    rm -rf "/tmp/$versioned_name"
+    mv "/tmp/$tar_name" "$OUT_DIR/$tar_name"
+
+    echo "✓ Packed $tar_name"
+  else
+    echo "✗ SDK not found: $sdk_dir/$sdk_name"
+    exit 1
+  fi
+}
+
+# Xcode Developer
+if [[ "$EXTRACT_XCODE" == "1" ]]; then
+  extract_and_pack \
+    "$XCODE_APP_PATH/Contents" \
+    "Developer" \
+    "Xcode-Developer${XCODE_SDKV}" \
+    "Xcode-Developer${XCODE_SDKV}.tar.xz"
+fi
+
+# macOS SDK
+if [[ "$EXTRACT_MACOS" == "1" ]]; then
+  extract_and_pack \
+    "$XCODE_APP_PATH/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs" \
+    "MacOSX.sdk" \
+    "MacOSX${APPLE_SDKV}.sdk" \
+    "MacOSX${APPLE_SDKV}.sdk.tar.xz"
+fi
+
+echo "Done extracting selected SDKs."