rust: query linker in addition to compiler for verbatim support

Signed-off-by: Paolo Bonzini <[email protected]>

Author: bonzini

mesonbuild/backend/ninjabackend.py

@@ -2038,8 +2038,6 @@ def get_rust_compiler_deps_and_args(self, target: build.BuildTarget, rustc: Comp
             except (KeyError, AttributeError):
                 pass
 
-        has_verbatim = mesonlib.version_compare(rustc.version, '>= 1.67.0')
-
         def _link_library(libname: str, static: bool, bundle: bool = False) -> None:
             orig_libname = libname
             type_ = 'static' if static else 'dylib'
@@ -2049,7 +2047,7 @@ def _link_library(libname: str, static: bool, bundle: bool = False) -> None:
             linkdirs.add(dir_)
             if not bundle and static:
                 modifiers.append('-bundle')
-            if has_verbatim:
+            if rustc.has_verbatim():
                 modifiers.append('+verbatim')
             else:
                 # undo the effects of -l without verbatim

mesonbuild/compilers/rust.py

@@ -11,7 +11,7 @@
 import typing as T
 
 from .. import options
-from ..mesonlib import EnvironmentException, MesonException, Popen_safe_logged
+from ..mesonlib import EnvironmentException, MesonException, Popen_safe_logged, version_compare
 from ..options import OptionKey
 from .compilers import Compiler, CompileCheckMode, clike_debug_args
 
@@ -194,6 +194,20 @@ def get_cfgs(self) -> T.List[str]:
     def get_crt_static(self) -> bool:
         return 'target_feature="crt-static"' in self.get_cfgs()
 
+    @functools.lru_cache(maxsize=None)
+    def has_verbatim(self) -> bool:
+        if version_compare(self.version, '< 1.67.0'):
+            return False
+        # GNU ld support '-l:PATH'
+        if 'ld.' in self.linker.id:
+            return True
+        # -l:+verbatim does not work (yet?) with MSVC link or Apple ld64
+        # (https://github.com/rust-lang/rust/pull/138753).  For ld64, it
+        # works together with -l:+whole_archive because -force_load (the macOS
+        # equivalent of --whole-archive), receives the full path to the library
+        # being linked.  However, Meson uses "bundle", not "whole_archive".
+        return False
+
     def get_debug_args(self, is_debug: bool) -> T.List[str]:
         return clike_debug_args[is_debug]