--- a/doc/build.txt	Fri May 18 18:06:00 2007 +0200
+++ b/doc/build.txt	Fri May 18 10:27:42 2007 -0700
@@ -16,6 +16,9 @@
 the right libraries. This saves you the pain of having to
 setup environment variables to point to the right libraries.
 
+(Note:  An experimental, alternative build system is described
+in build-waf.txt)
+
 1) Options
 ----------