linkers: fix LLD linker response file handling

mesonbuild/linkers/linkers.py

@@ -606,6 +606,9 @@
         "boot_application": "16",
     }
 
+    def get_accepts_rsp(self) -> bool:
+        return True
+
     def get_pie_args(self) -> T.List[str]:
         return ['-pie']
 
@@ -845,13 +848,10 @@
     id = 'ld64.lld'
 
 
 class GnuDynamicLinker(GnuLikeDynamicLinkerMixin, PosixDynamicLinkerMixin, DynamicLinker):
 
     """Representation of GNU ld.bfd and ld.gold."""
 
-    def get_accepts_rsp(self) -> bool:
-        return True
-
 
 class GnuGoldDynamicLinker(GnuDynamicLinker):
 
@@ -874,7 +874,7 @@
         return ['-Wl,--thinlto-cache-dir=' + path]
 
 
 class LLVMDynamicLinker(GnuLikeDynamicLinkerMixin, PosixDynamicLinkerMixin, DynamicLinker):
 
     """Representation of LLVM's ld.lld linker.
 
@@ -936,7 +936,7 @@
             raise mesonlib.MesonBugException(f'win_subsystem: {value} not handled in lld linker. This should not be possible.')
 
 
 class WASMDynamicLinker(GnuLikeDynamicLinkerMixin, PosixDynamicLinkerMixin, DynamicLinker):
 
     """Emscripten's wasm-ld."""
 

unittests/allplatformstests.py

@@ -5010,3 +5010,12 @@ def test_c_cpp_stds(self):
             # The first supported std should be selected
             self.setconf('-Dcpp_std=c++11,gnu++11,vc++11')
             self.assertEqual(self.getconf('cpp_std'), 'c++11')
+
+    def test_rsp_support(self):
+        env = get_fake_env()
+        cc = detect_c_compiler(env, MachineChoice.HOST)
+        has_rsp = cc.linker.id in {
+            'ld.bfd', 'ld.gold', 'ld.lld', 'ld.mold', 'ld.qcld', 'ld.wasm',
+            'link', 'lld-link', 'mwldarm', 'mwldeppc', 'optlink', 'xilink',
+        }
+        self.assertEqual(cc.linker.get_accepts_rsp(), has_rsp)