$NetBSD$

--- Jamroot.orig	2008-07-22 06:27:10.000000000 -0600
+++ Jamroot	2008-08-19 12:59:31.000000000 -0600
@@ -241,6 +241,10 @@
        ECHO "error: both --with-<library> and --without-<library> specified" ;
        EXIT ;
    }
+   if $(without-parameter) && $(without-parameter) = "*"
+   {
+       without-parameter = $(existing-libraries) ;
+   }
 
    local wrong = [ set.difference $(with-parameter) : $(existing-libraries) ] ;
    if $(wrong)