Conservatives have been trying to work productively on this for a very long time, but the Amnesty lobby has been counter productive, and counter-intuitive.
Secure the Border
Prosecute Employer violations
De-criminalize current Border Violators
Make them legal residents (but NOT Citizens, they are - technically Criminals, we don't let Felons Vote)
Anything else is a Wicked and undeserved slap in the face of those who have worked through the system to become legal Citizens.