http://bugs.gentoo.org/93300
--- configure
+++ configure
@@ -20251,7 +20251,7 @@
   # See if we find them without any special options.
   # Don't add to $LIBS permanently.
   ac_save_LIBS=$LIBS
-  LIBS="-lX $LIBS"
+  LIBS="-lX11 $LIBS"
   cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF