build dependencies

Author: joenio

addon/doxyparse/README

@@ -5,6 +5,10 @@ This directory contains an "source parsing engine" based on doxyapp code.
 
 More info and source code repository: https://github.com/analizo/doxygen
 
+## build dependencies
+
+  apt-get install flex bison cmake build-essential python
+
 ## build
 
   cmake -G "Unix Makefiles" -Dbuild_parse=ON