$OpenBSD: patch-configure_ac,v 1.3 2013/04/18 20:29:08 sthen Exp $
--- configure.ac.orig	Sat Feb  9 21:08:22 2013
+++ configure.ac	Fri Mar  1 22:22:27 2013
@@ -1420,7 +1420,7 @@ AC_SUBST(LIB_REGEX)
 dnl ------------------
 dnl check Net-SNMP library
 dnl ------------------
-if test "${enable_snmp}" != ""; then
+if test "${enable_snmp}" != "no"; then
    AC_PATH_TOOL([NETSNMP_CONFIG], [net-snmp-config], [no])
    if test x"$NETSNMP_CONFIG" = x"no"; then
       AC_MSG_ERROR([--enable-snmp given but unable to find net-snmp-config])
