Preinitialize macOS AppKit fonts before static graphics

scripts/build-macos-font-preinit.sh

@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+RID="${RID:-osx-arm64}"
+OUTPUT_DIR="${OUTPUT_DIR:-$PWD/External/NativeStatic/$RID/native}"
+
+case "$RID" in
+  osx-arm64) ARCH="arm64" ;;
+  osx-x64) ARCH="x86_64" ;;
+  *) echo "Unsupported RID: $RID" >&2; exit 2 ;;
+esac
+
+mkdir -p "$OUTPUT_DIR"
+
+src="$OUTPUT_DIR/macos_font_preinit.m"
+cat > "$src" <<'OBJC'
+#import <AppKit/AppKit.h>
+
+__attribute__((constructor(101)))
+static void ShirokaAvaloniaStaticLinkPreinitializeAppKitFonts(void)
+{
+    @autoreleasepool
+    {
+        [NSApplication sharedApplication];
+        [NSFont systemFontOfSize:13.0];
+        [NSFont systemFontOfSize:13.0 width:0.0];
+    }
+}
+OBJC
+
+clang -arch "$ARCH" \
+  -mmacosx-version-min=12.0 \
+  -fobjc-arc \
+  -c "$src" \
+  -o "$OUTPUT_DIR/macos_font_preinit.o"
+
+rm -f "$src"
+echo "Wrote $OUTPUT_DIR/macos_font_preinit.o"