diff -rupN --no-dereference Python-3.10.0b3/setup.py Python-3.10.0b3-new/setup.py
--- Python-3.10.0b3/setup.py	2021-06-22 09:08:15.690251853 +0200
+++ Python-3.10.0b3-new/setup.py	2021-06-22 09:08:15.693251863 +0200
@@ -2217,9 +2217,12 @@ class PyBuildExt(build_ext):
         # Add the Tcl/Tk libraries
         libs.append('tk'+ version)
         libs.append('tcl'+ version)
+        if HOST_PLATFORM in ['mingw', 'win32']:
+            for winlib in ['ws2_32','gdi32','comctl32','comdlg32','imm32','uuid','oleaut32','ole32']:
+                libs.append( winlib )
 
         # Finally, link with the X11 libraries (not appropriate on cygwin)
-        if not CYGWIN:
+        if not HOST_PLATFORM in ['cygwin', 'mingw', 'win32']:
             libs.append('X11')
 
         # XXX handle these, but how to detect?