--- configure.in
+++ configure.in
@@ -2,12 +2,14 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ(2.59)
-AC_INIT(genext2fs.c)
 
 builtin(include, [m4/ac_func_snprintf.m4])dnl
 builtin(include, [m4/ac_func_scanf_can_malloc.m4])dnl
 
-AM_INIT_AUTOMAKE(genext2fs,1.4.1)
+AC_INIT([genext2fs], [1.4.1])
+AC_CONFIG_SRCDIR([genext2fs.c])
+AM_INIT_AUTOMAKE
+
 AC_CONFIG_HEADER([config.h])
 
 AC_GNU_SOURCE