--- mednafen-0.9.28-wip/mednafen/configure.ac
+++ mednafen-0.9.28-wip/mednafen/configure.ac
@@ -13,7 +13,7 @@
 AC_CANONICAL_TARGET
 AM_INIT_AUTOMAKE([mednafen], $MEDNAFEN_VERSION)
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES])
-AM_CONFIG_HEADER([include/config.h:include/config.h.in])
+AC_CONFIG_HEADERS([include/config.h:include/config.h.in])
 
 AC_PROG_CC
 AC_PROG_CPP