nasm, yasm: Fix debug flags for Windows and macOS

mesonbuild/compilers/asm.py

@@ -27,6 +27,7 @@ nasm_optimization_args: T.Dict[str, T.List[str]] = {
 class NasmCompiler(Compiler):
     language = 'nasm'
     id = 'nasm'
+    links_with_msvc = False
 
     # https://learn.microsoft.com/en-us/cpp/c-runtime-library/crt-library-features
     crt_args: T.Dict[str, T.List[str]] = {
@@ -44,6 +45,7 @@ class NasmCompiler(Compiler):
         super().__init__(ccache, exelist, version, for_machine, info, linker, full_version, is_cross)
         if 'link' in self.linker.id:
             self.base_options.add(OptionKey('b_vscrt'))
+            self.links_with_msvc = True
 
     def needs_static_linker(self) -> bool:
         return True
@@ -83,9 +85,7 @@ class NasmCompiler(Compiler):
 
     def get_debug_args(self, is_debug: bool) -> T.List[str]:
         if is_debug:
-            if self.info.is_windows():
-                return []
-            return ['-g', '-F', 'dwarf']
+            return ['-g']
         return []
 
     def get_depfile_suffix(self) -> str:
@@ -138,9 +138,12 @@ class YasmCompiler(NasmCompiler):
 
     def get_debug_args(self, is_debug: bool) -> T.List[str]:
         if is_debug:
-            if self.info.is_windows():
+            if self.info.is_windows() and self.links_with_msvc:
+                return ['-g', 'cv8']
+            elif self.info.is_darwin():
                 return ['-g', 'null']
-            return ['-g', 'dwarf2']
+            else:
+                return ['-g', 'dwarf2']
         return []
 
     def get_dependency_gen_args(self, outtarget: str, outfile: str) -> T.List[str]: