Ensure output directory exists before static link.

Author: Maxwell175

setuptools/_distutils/_msvccompiler.py

@@ -467,6 +467,8 @@ def create_static_lib(
         objects, output_dir = self._fix_object_args(objects, output_dir)
         output_filename = self.library_filename(output_libname, output_dir=output_dir)
 
+        os.makedirs(output_dir, exist_ok=True)
+
         if self._need_link(objects, output_filename):
             lib_args = objects + ['/OUT:' + output_filename]
             if debug:

setuptools/_distutils/unixccompiler.py

@@ -215,6 +215,8 @@ def create_static_lib(
 
         output_filename = self.library_filename(output_libname, output_dir=output_dir)
 
+        os.makedirs(output_dir, exist_ok=True)
+
         if self._need_link(objects, output_filename):
             self.mkpath(os.path.dirname(output_filename))
             self.spawn(self.archiver + [output_filename] + objects + self.objects)