--- configure.ac.orig	2013-12-31 13:39:03.000000000 -0800
+++ configure.ac	2013-12-31 13:40:03.000000000 -0800
@@ -119,7 +119,7 @@ AC_PROG_CXX
 dnl determine if c++ is available on this system
 AC_CHECK_PROG(HAVE_CXX, $CXX, yes, no)
 
-AS_PROG_OBJC
+AC_PROG_OBJC
 
 dnl check if the compiler supports '-c' and '-o' options
 AM_PROG_CC_C_O