HACKING: Add a note about the module cache and vlc --list

diff --git a/HACKING b/HACKING
index 6d102918e5c1d8c67a186d117ed350790c669ad7..fcaa3fc2e4642e4942eb9a97b8fd43e6dda684d3 100644 (file)
--- a/HACKING
+++ b/HACKING
@@ -85,4 +85,6 @@ Look at other modules for guidelines on how to add build and linkage options.
 After changing configure.ac you will always need to rerun bootstrap and 
 configure.
 
+VLC keeps a cache of its module (in ~/.vlc/cache on Linux), so you'll have to delete it. (or use vlc --reset-plugins-cache)
+Then use vlc -vvv --color --list to check that your plugin is seen by VLC.