compilers: Error if invalid linker selected

mesonbuild/compilers/mixins/gnu.py

@@ -304,6 +304,10 @@ class GnuLikeCompiler(metaclass=abc.ABCMeta):
 
     @classmethod
     def use_linker_args(cls, linker: str) -> T.List[str]:
+        if linker not in {'gold', 'bfd', 'lld'}:
+            raise mesonlib.MesonException(
+                'Unsupported linker, only bfd, gold, and lld are supported, '
+                'not {}.'.format(linker))
         return ['-fuse-ld={}'.format(linker)]
 
 

mesonbuild/compilers/mixins/visualstudio.py

@@ -366,10 +366,6 @@ class VisualStudioLikeCompiler(metaclass=abc.ABCMeta):
     def get_argument_syntax(self) -> str:
         return 'msvc'
 
-    @classmethod
-    def use_linker_args(cls, linker: str) -> T.List[str]:
-        return []
-
 
 class MSVCCompiler(VisualStudioLikeCompiler):