python · miss-islington · Jul 9, 2020 · Jul 9, 2020
diff --git a/Lib/test/support/__init__.py b/Lib/test/support/__init__.py
@@ -2733,9 +2733,15 @@ def missing_compiler_executable(cmd_names=[]):
    missing.

    """
-    from distutils import ccompiler, sysconfig, spawn
+    from distutils import ccompiler, sysconfig, spawn, errors
    compiler = ccompiler.new_compiler()
    sysconfig.customize_compiler(compiler)
+    if compiler.compiler_type == "msvc":
+        # MSVC has no executables, so check whether initialization succeeds
+        try:
+            compiler.initialize()
+        except errors.DistutilsPlatformError:
+            return "msvc"
    for name in compiler.executables:
        if cmd_names and name not in cmd_names:
            continue