LD_PRELOAD Hack to try and make latest ssh-agent auth socket always available. For all those screen and ssh agent forwarding problems.
To build
$ make
Set LD_PRELOAD while shell initialization
For ex. bash
if [ -e "/path/to/ssh-authsock-hack.so"]; then
export LD_PRELOAD="/path/to/ssh-authsock-hack.so":$LD_PRELOAD
fi