CI-041 disable ARM64 Crypto++ compiler multiprocessing

Author: Threepwood-7

emule_workspace/build.py

@@ -1054,6 +1054,7 @@ def ensure_arm64_override_targets(layout: WorkspaceLayout) -> None:
         """<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemDefinitionGroup Condition="'$(Platform)'=='ARM64'">
     <ClCompile>
+      <MultiProcessorCompilation>false</MultiProcessorCompilation>
       <AdditionalOptions>/DCRYPTOPP_DISABLE_ASM /DCRYPTOPP_NO_CPU_FEATURE_PROBES %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
   </ItemDefinitionGroup>

tests/test_build.py

@@ -52,6 +52,16 @@ def test_build_libs_serializes_arm64_msbuild_dependencies(
     assert {call["max_cpu_count"] for call in captured} == {1}
 
 
+def test_arm64_crypto_overrides_disable_compiler_multiprocessing(tmp_path: Path) -> None:
+    layout = make_layout(tmp_path)
+
+    build.ensure_arm64_override_targets(layout)
+
+    props_text = build.arm64_overrides_props_path(layout).read_text(encoding="utf-8")
+    assert "<MultiProcessorCompilation>false</MultiProcessorCompilation>" in props_text
+    assert "/DCRYPTOPP_DISABLE_ASM /DCRYPTOPP_NO_CPU_FEATURE_PROBES" in props_text
+
+
 def test_build_apps_forwards_startup_diagnostics_option(
     tmp_path: Path,
     monkeypatch: pytest.MonkeyPatch,