linkers: Fix RSP syntax for linkers invoked with clang

Fixes: mesonbuild#8981
Fixes: 2be074b
Signed-off-by: Kacper Michajłow <kasper93@gmail.com>

mesonbuild/linkers/detect.py

@@ -3,6 +3,7 @@
 
 from __future__ import annotations
 
+from .base import RSPFileSyntax
 from .. import mlog
 from ..mesonlib import (
     EnvironmentException,
@@ -40,6 +41,11 @@ def guess_win_linker(env: 'Environment', compiler: T.List[str], comp_class: T.Ty
     from . import linkers
     env.coredata.add_lang_args(comp_class.language, comp_class, for_machine, env)
 
+    if invoked_directly or comp_class.get_argument_syntax() == 'msvc':
+        rsp_syntax = RSPFileSyntax.MSVC
+    else:
+        rsp_syntax = RSPFileSyntax.GCC
+
     # Explicitly pass logo here so that we can get the version of link.exe
     if not use_linker_prefix or comp_class.LINKER_PREFIX is None:
         check_args = ['/logo', '--version']
@@ -71,7 +77,8 @@ def guess_win_linker(env: 'Environment', compiler: T.List[str], comp_class: T.Ty
         elif not invoked_directly:
             return linkers.ClangClDynamicLinker(
                 for_machine, override, exelist=compiler, prefix=comp_class.LINKER_PREFIX,
-                version=search_version(o), direct=False, machine=None)
+                version=search_version(o), direct=False, machine=None,
+                rsp_syntax=rsp_syntax)
 
     if value is not None and invoked_directly:
         compiler = value
@@ -82,7 +89,8 @@ def guess_win_linker(env: 'Environment', compiler: T.List[str], comp_class: T.Ty
         return linkers.ClangClDynamicLinker(
             for_machine, [],
             prefix=comp_class.LINKER_PREFIX if use_linker_prefix else [],
-            exelist=compiler, version=search_version(o), direct=invoked_directly)
+            exelist=compiler, version=search_version(o), direct=invoked_directly,
+            rsp_syntax=rsp_syntax)
     elif 'OPTLINK' in o:
         # Optlink's stdout *may* begin with a \r character.
         return linkers.OptlinkDynamicLinker(compiler, for_machine, version=search_version(o))
@@ -97,7 +105,8 @@ def guess_win_linker(env: 'Environment', compiler: T.List[str], comp_class: T.Ty
         return linkers.MSVCDynamicLinker(
             for_machine, [], machine=target, exelist=compiler,
             prefix=comp_class.LINKER_PREFIX if use_linker_prefix else [],
-            version=search_version(out), direct=invoked_directly)
+            version=search_version(out), direct=invoked_directly,
+            rsp_syntax=rsp_syntax)
     elif 'GNU coreutils' in o:
         import shutil
         fullpath = shutil.which(compiler[0])

mesonbuild/linkers/linkers.py

@@ -1274,11 +1274,13 @@ def _apply_prefix(self, arg: T.Union[str, T.List[str]]) -> T.List[str]: ...
 
     def __init__(self, exelist: T.List[str], for_machine: mesonlib.MachineChoice,
                  prefix_arg: T.Union[str, T.List[str]], always_args: T.List[str], *,
-                 version: str = 'unknown version', direct: bool = True, machine: str = 'x86'):
+                 version: str = 'unknown version', direct: bool = True, machine: str = 'x86',
+                 rsp_syntax: RSPFileSyntax = RSPFileSyntax.MSVC):
         # There's no way I can find to make mypy understand what's going on here
         super().__init__(exelist, for_machine, prefix_arg, always_args, version=version)
         self.machine = machine
         self.direct = direct
+        self.rsp_syntax = rsp_syntax
 
     def invoked_by_compiler(self) -> bool:
         return not self.direct
@@ -1322,7 +1324,7 @@ def import_library_args(self, implibname: str) -> T.List[str]:
         return self._apply_prefix(['/IMPLIB:' + implibname])
 
     def rsp_file_syntax(self) -> RSPFileSyntax:
-        return RSPFileSyntax.MSVC
+        return self.rsp_syntax
 
 
 class MSVCDynamicLinker(VisualStudioLikeLinkerMixin, DynamicLinker):
@@ -1335,9 +1337,10 @@ def __init__(self, for_machine: mesonlib.MachineChoice, always_args: T.List[str]
                  exelist: T.Optional[T.List[str]] = None,
                  prefix: T.Union[str, T.List[str]] = '',
                  machine: str = 'x86', version: str = 'unknown version',
-                 direct: bool = True):
+                 direct: bool = True, rsp_syntax: RSPFileSyntax = RSPFileSyntax.MSVC):
         super().__init__(exelist or ['link.exe'], for_machine,
-                         prefix, always_args, machine=machine, version=version, direct=direct)
+                         prefix, always_args, machine=machine, version=version, direct=direct,
+                         rsp_syntax=rsp_syntax)
 
     def get_always_args(self) -> T.List[str]:
         return self._apply_prefix(['/release']) + super().get_always_args()
@@ -1359,9 +1362,10 @@ def __init__(self, for_machine: mesonlib.MachineChoice, always_args: T.List[str]
                  exelist: T.Optional[T.List[str]] = None,
                  prefix: T.Union[str, T.List[str]] = '',
                  machine: str = 'x86', version: str = 'unknown version',
-                 direct: bool = True):
+                 direct: bool = True, rsp_syntax: RSPFileSyntax = RSPFileSyntax.MSVC):
         super().__init__(exelist or ['lld-link.exe'], for_machine,
-                         prefix, always_args, machine=machine, version=version, direct=direct)
+                         prefix, always_args, machine=machine, version=version, direct=direct,
+                         rsp_syntax=rsp_syntax)
 
     def get_output_args(self, outputname: str) -> T.List[str]:
         # If we're being driven indirectly by clang just skip /MACHINE