update the README

diff --git a/README.txt b/README.txt
index 2eb5c8e4460602fce92a95f2a1e94c84af4345b4..0f40ee9b6c3c329a32dba2516e67d752a8e4305d 100644 (file)
--- a/README.txt
+++ b/README.txt
@@ -45,6 +45,9 @@ Compiling Halcyon as standalone viewer:
 
 * mxmlc halcyon_viewer.as
 
 
 * mxmlc halcyon_viewer.as
 

+If you're using Mac OS X, you may need to tell ant to use more memory, by
+typing export ANT_OPTS=-Xmx500M beforehand (you can put this in your .profile).
+

 
 Compiling during development:
 
 
 Compiling during development: