--- makefiles/configure.in.orig	2005-01-30 04:28:00.000000000 -0600
+++ makefiles/configure.in	2012-05-04 18:05:36.000000000 -0500
@@ -15,7 +15,6 @@
 dnl Checks for programs.
 AC_PROG_CC
 AC_ISC_POSIX
-AM_C_PROTOTYPES
 if test "x$U" != "x"; then
   AC_MSG_ERROR(Compiler not ANSI compliant)
 fi
