AC_DEFINE([HAVE_LIBVIRT],[1],[libvirt found at compile time.])
],
[AC_MSG_WARN([libvirt not found, some core features will be disabled])])
+AM_CONDITIONAL([HAVE_LIBVIRT],[test "x$LIBVIRT_LIBS" != "x"])
dnl libxml2 (highly recommended)
PKG_CHECK_MODULES([LIBXML2], [libxml-2.0],