+AC_CHECK_PROG([HAVE_RPCGEN], [rpcgen], [yes], [no])
+if test x$HAVE_RPCGEN != xyes; then
+ AC_MSG_ERROR([Can not find required program])
+fi
+
+#option: examples
+AC_ARG_ENABLE([examples],
+ [AC_HELP_STRING([--enable-examples],
+ [Build example programs])],
+ [ENABLE_EXAMPLES=$enableval],
+ [ENABLE_EXAMPLES="no"])
+
+if test x$ENABLE_EXAMPLES = xyes; then
+ MAYBE_EXAMPLES="examples"
+fi
+AC_SUBST(MAYBE_EXAMPLES)
+
+AC_ARG_ENABLE(tirpc,
+ [AC_HELP_STRING([--enable-tirpc],
+ [enable use of TI-RPC @<:@default=no@:>@])],
+ enable_tirpc=$enableval,
+ enable_tirpc='no')
+
+case $host in
+ *darwin*)
+ RPCGENFLAGS=-DU_INT64_PLATTFORM_TYPE="u_int64_t"