diff -urN pwdutils-3.2.19/configure.in pwdutils-3.2.19.new/configure.in
--- pwdutils-3.2.19/configure.in	2012-05-08 14:14:25.000000000 +0200
+++ pwdutils-3.2.19.new/configure.in	2013-02-03 22:03:19.141740276 +0100
@@ -5,7 +5,7 @@
 dnl
 AC_INIT(src/passwd.c)
 AM_INIT_AUTOMAKE("pwdutils", 3.2.19)
-AM_CONFIG_HEADER(config.h)
+AC_CONFIG_HEADERS(config.h)
 AC_PREFIX_DEFAULT(/usr)
 AC_CANONICAL_HOST