--- mesonbuild/compilers/mixins/gnu.py.orig	2026-07-11 14:43:17.000000000 +0800
+++ mesonbuild/compilers/mixins/gnu.py	2026-08-04 20:12:06.000000000 +0800
@@ -554,6 +554,17 @@
         self._has_lto_auto_support = mesonlib.version_compare(self.version, self._LTO_AUTO_VERSION)
         self._has_lto_cache_support = mesonlib.version_compare(self.version, self._LTO_CACHE_VERSION)
 
+    def get_lto_obj_cache_path(self, path: str) -> T.List[str]:
+        # -object_path_lto is a Clang/Apple-ld64 mechanism for caching
+        # intermediate per-object LTO bitcode files. GCC's own LTO
+        # implementation does not use/understand this concept, and simply
+        # forwarding it to whatever linker GCC happens to be driving can
+        # break the build if that linker is (or is detected as) Apple's
+        # ld64, e.g. `ld: unknown option: -object_path_lto` on some GCC
+        # toolchains that still shell out to the system linker on macOS.
+        # Only Clang-family compilers should request this.
+        return []
+
     def get_colorout_args(self, colortype: str) -> T.List[str]:
         if self._has_color_support:
             return gnu_color_args[colortype][:]