Sure, it installs great, but Yahoo made a change that gyach-0.7.5 can't handle, and so fails to login for chats. The author released a 0.7.6 version to handle the extra cookie info sent by Yahoo.
http://www4.infi.net/~cpinkham/gyach/ It may require some other patching. There's something to make the local executing command function again in the SR71 patched version. (At least there is if he put in the changes I described.) http://sr71dart.no-ip.org:8080/software/gyach/
