Fix missing script is too old

configure.ac

@@ -9,14 +9,15 @@ AC_INIT([birq],
         [MAJOR_VERSION.MINOR_VERSION.MICRO_VERSION],
         [serj.kalichev at gmail dot com])
 
+AC_CONFIG_AUX_DIR([.])
+AC_CONFIG_HEADERS([config.h])
+AM_INIT_AUTOMAKE(subdir-objects)
+
 # Checks for programs.
 AC_PROG_CC
 AM_PROG_CC_C_O
 AC_PROG_RANLIB
 
-AC_CONFIG_HEADERS([config.h])
-AM_INIT_AUTOMAKE(subdir-objects)
-
 # needed to handle 64-bit architecture
 AC_CHECK_SIZEOF(int)
 AC_CHECK_SIZEOF(long)