Fixed bug #1915: Python compiles with --enable-unicode=no again. However several extension methods and modules do not work without unicode support.
diff --git a/Parser/tokenizer.c b/Parser/tokenizer.c
index 1533502..f065962 100644
--- a/Parser/tokenizer.c
+++ b/Parser/tokenizer.c
@@ -1537,7 +1537,7 @@
    there, as it must be empty for PGEN, and we can check for PGEN only
    in this file. */
 
-#ifdef PGEN
+#if defined(PGEN) || !defined(Py_USING_UNICODE)
 char*
 PyTokenizer_RestoreEncoding(struct tok_state* tok, int len, int* offset)
 {
@@ -1557,7 +1557,6 @@
 	}
 	return ret;
 }
-
 char *
 PyTokenizer_RestoreEncoding(struct tok_state* tok, int len, int *offset)
 {