--- configure.ac.orig	2006-03-24 02:07:09.000000000 +0000
+++ configure.ac	2006-03-24 02:07:21.000000000 +0000
@@ -157,7 +157,7 @@
 dnl XXX incomplete, please fill this in
 if test x$xthreads = xyes ; then
     case $host_os in
-    linux*|openbsd*)
+    linux*|openbsd*|gnu*|k*bsd*-gnu)
         XTHREADLIB=-lpthread ;;
     freebsd*)
         XTHREAD_CFLAGS="-D_THREAD_SAFE"