Issue an explicit error when we can't find an appropriate type for

gvanrossum · gvanrossum · commit e85ee8d815ed · 2002-05-29T14:00:22.000Z
UINT4.
diff --git a/Modules/md5.h b/Modules/md5.h
@@ -37,6 +37,8 @@ typedef unsigned long int UINT4;
 typedef unsigned short int UINT4;
 #elif INT_MAX == 2147483647
 typedef unsigned int UINT4;
+#else
+#error "Can't find a 4-byte integral type"
 #endif
 
 /* ========== End global.h; continue md5.h ========== */
