expand README to include compilation instructions

[ozzloy@gmail.com/oble] / README

diff --git a/README b/README
index 37340145e2d781d935e63026b7b0d5b20c735ff5..154e64dcfe0c4eafea501e360acb39020d3116db 100644 (file)
--- a/README
+++ b/README
@@ -3,3 +3,16 @@ prevent the system from sleeping when a user is looking at the screen.
 this is accomplished using a camera and opencv to detect a face.
 
 this readme is woefully short.
+
+you'll need to get a file called
+haarcascade_frontalface_alt.xml
+i was able to get it with this:
+  wget http://eclecti.cc/files/2008/03/haarcascade_frontalface_alt.xml
+
+i'm not sure what the rules are on distributing this file, so you'll
+have to get it yourself
+
+if you're on ubuntu:
+make ubuntu-dependencies
+make
+make test # assumes you have haarcascade_frontalface_alt.xml in current dir