Index: libotf-0.9.12/configure.ac
===================================================================
--- libotf-0.9.12.orig/configure.ac
+++ libotf-0.9.12/configure.ac
@@ -25,7 +25,7 @@ dnl 330, Boston, MA 02111-1307, USA.
 
 AC_INIT(libotf, 0.9.12, handa@m17n.org)
 AM_INIT_AUTOMAKE(libotf, 0.9.12)
-AM_CONFIG_HEADER(src/config.h)
+AC_CONFIG_HEADERS(src/config.h)
 
 # Checks for programs.
 AC_PROG_CC