diff --git a/configure.in b/configure.in

--- a/configure.in

+++ b/configure.in

@@ -5744,6 +5744,13 @@ if test -z "$MOZ_ENABLE_GNOMEVFS" && tes

     MOZ_EXTENSIONS=`echo $MOZ_EXTENSIONS | sed -e 's|gnomevfs||'`

 fi

+if test ! -z "$LIBXUL_SDK_DIR" && test `echo "$MOZ_EXTENSIONS" | grep -c gnomevfs` -ne 0; then

+    if test -n "$MOZ_X11"; then

+        AC_MSG_WARN([nkgnomevfs is already part of xulrunner. Removing gnomevfs from MOZ_EXTENSIONS.])

+    fi

+    MOZ_EXTENSIONS=`echo $MOZ_EXTENSIONS | sed -e 's|gnomevfs||'`

+fi

+

 if test -z "$MOZ_JSDEBUGGER" && test `echo "$MOZ_EXTENSIONS" | grep -c venkman` -ne 0; then

     AC_MSG_WARN([Cannot build venkman without JavaScript debug library. Removing venkman from MOZ_EXTENSIONS.])

     MOZ_EXTENSIONS=`echo $MOZ_EXTENSIONS | sed -e 's|venkman||'`