gnulike linkers (and ar) accept rsp files.

mesonbuild/linkers.py

@@ -149,6 +149,10 @@ class ArLinker(StaticLinker):
             self.std_args = ['csrD']
         else:
             self.std_args = ['csr']
+        self.can_rsp = '@<' in stdo
+
+    def can_linker_accept_rsp(self) -> bool:
+        return self.can_rsp
 
     def get_std_link_args(self) -> T.List[str]:
         return self.std_args
@@ -704,6 +708,9 @@ class GnuDynamicLinker(GnuLikeDynamicLinkerMixin, PosixDynamicLinkerMixin, Dynam
 
     """Representation of GNU ld.bfd and ld.gold."""
 
+    def get_accepts_rsp(self) -> bool:
+        return True;
+
 
 class GnuGoldDynamicLinker(GnuDynamicLinker):