Some weird symbol (M_I386) was used to decide whether to include the

gvanrossum · gvanrossum · commit 8f81a22d41d2 · 1999-02-05T22:34:57.000Z
audioop module; this was no longer defined.  Use MS_WINDOWS instead.
(I have a feeling that this was for the WATCOM port; too bad.)
diff --git a/PC/config.c b/PC/config.c
@@ -75,7 +75,7 @@ extern void initimp();
 struct _inittab _PyImport_Inittab[] = {
 
         {"array", initarray},
-#ifdef M_I386
+#ifdef MS_WINDOWS
         {"audioop", initaudioop},
 #endif
         {"binascii", initbinascii},
