--- ./Makefile.pre.in.orig	2013-04-06 18:02:34.000000000 +0400
+++ ./Makefile.pre.in	2013-04-07 22:30:19.000000000 +0400
@@ -281,9 +281,9 @@
 
 ##########################################################################
 # AST
-AST_H_DIR=	Include
+AST_H_DIR=	$(srcdir)/Include
 AST_H=		$(AST_H_DIR)/Python-ast.h
-AST_C_DIR=	Python
+AST_C_DIR=	$(srcdir)/Python
 AST_C=		$(AST_C_DIR)/Python-ast.c
 AST_ASDL=	$(srcdir)/Parser/Python.asdl