Sync verified Native toolchain fixes for graphics Actions tests

build/linux-toolchain/Dockerfile

@@ -21,7 +21,7 @@ RUN rm -f /etc/apt/sources.list.d/debian.sources \
        pkg-config cmake binutils file unzip xz-utils bzip2 patch \
        libfontconfig1-dev libglib2.0-dev libgl1-mesa-dev libpci-dev \
        libx11-dev libxcb1-dev libxext-dev libwayland-dev libexpat1-dev libicu72 libssl3 \
-    && for tool in clang clang++ llvm-ar llvm-ranlib llvm-nm; do \
+    && for tool in clang clang++ llvm-ar llvm-ranlib llvm-nm lld ld.lld lld-link ld64.lld; do \
          ln -s "/usr/bin/$tool-16" "/usr/local/bin/$tool"; \
        done \
     && mkdir -p /opt/staticlink \

build/linux-toolchain/validate-toolchain.py

@@ -20,6 +20,7 @@ def run(command):
 def main():
     parser = argparse.ArgumentParser(description=__doc__)
     parser.add_argument("--output", type=Path, required=True)
+    parser.add_argument("--rids", default="[]")
     args = parser.parse_args()
     args.output.mkdir(parents=True, exist_ok=True)
     report = {"python": sys.version, "targets": {}, "passed": False}
@@ -41,6 +42,11 @@ def main():
                 raise RuntimeError("Missing .NET SDK " + major)
         adapter = Path(__file__).with_name("zig-cross.py")
         targets = runpy.run_path(str(adapter))["TARGETS"]
+        requested = json.loads(args.rids)
+        if not isinstance(requested, list) or any(rid not in targets for rid in requested):
+            raise ValueError("Expected a JSON array of supported RIDs")
+        if requested:
+            targets = {rid: targets[rid] for rid in requested}
         sdk = Path("/opt/macos-sdk/MacOSX15.5.sdk")
         if json.loads((sdk / "SDKSettings.json").read_text())["Version"] != "15.5":
             raise RuntimeError("Unexpected macOS SDK version")