--- build/config/compiler/BUILD.gn	2025-10-27 10:09:40.000000000 +0800
+++ build/config/compiler/BUILD.gn	2025-11-04 05:14:09.000000000 +0800
@@ -523,6 +523,12 @@
   # Apple compiler flags setup.
   # ---------------------------------
   if (is_apple) {
+
+    # Legacy-Support:
+    cflags += [ "-isystem@PREFIX@/include/LegacySupport" ]
+    cflags_cc += [ "-isystem@PREFIX@/include/LegacySupport" ]
+    ldflags += [ "-Wl,@PREFIX@/lib/libMacportsLegacySupport.dylib" ]
+
     # On Intel, clang emits both Apple's "compact unwind" information and
     # DWARF eh_frame unwind information by default, for compatibility reasons.
     # This flag limits emission of eh_frame information to functions