+AC_ARG_WITH(vpnc, AC_HELP_STRING([--with-vpnc=PROGRAM],
+ [specify location of vpnc binary]), [path_vpnc=${withval}])
+
+AC_ARG_ENABLE(vpnc,
+ AC_HELP_STRING([--enable-vpnc], [enable vpnc support]),
+ [enable_vpnc=${enableval}], [enable_vpnc="no"])
+if (test "${enable_vpnc}" != "no"); then
+ if (test -z "${path_vpnc}"); then
+ AC_PATH_PROG(VPNC, [vpnc], [], $PATH:/sbin:/usr/sbin)
+ else
+ VPNC="${path_vpnc}"
+ AC_SUBST(VPNC)
+ fi
+fi
+AM_CONDITIONAL(VPNC, test "${enable_vpnc}" != "no")
+AM_CONDITIONAL(VPNC_BUILTIN, test "${enable_vpnc}" = "builtin")
+