--- a/configure.ac
+++ b/configure.ac
@@ -21,9 +21,9 @@
AC_CHECK_LIB([rt], [clock_gettime], [], [])
AC_CHECK_LIB([pthread], [pthread_create], [], [])
+AC_CHECK_LIB([upnp], [UpnpInit], [], AC_MSG_ERROR([libupnp not found]))
AC_CHECK_LIB([ixml], [ixmlDocument_getElementsByTagName], [],
- AC_MSG_ERROR([libixml not found]))
-AC_CHECK_LIB([upnp], [UpnpInit], [], AC_MSG_ERROR([libupnp not found]))
+ AC_MSG_ERROR([libixml (usually installed as part of libupnp) not found]))
AC_CHECK_LIB([expat], [XML_ParserCreate], [],
AC_MSG_ERROR([libexpat not found]))
LIBUPNPP_LIBS="$LIBS"