diff -ru yaps-1.0/configure yaps-1.0-freebsd/configure
--- yaps-1.0/configure	Fri Jul 12 21:45:59 2002
+++ yaps-1.0-freebsd/configure	Fri Aug 15 09:19:00 2003
@@ -4204,6 +4204,13 @@
 		FOUND=1
 	fi
 done
+
+if test $os_type = "freebsd" ; then
+        LDFLAGS="-pthread $LDFLAGS";
+        echo "builtin";
+        FOUND=1
+fi
+
 if test $FOUND -ne 1 ; then
 { { echo "$as_me:4208: error: