Yeah.
For there to be a full merging of the two movements, a few things will have to happen. First, libertarians will have to find a way to compromise on abortion. Some are already pro life, of course; but for the rest, I think the path forward will be to accept overturning Roe v. Wade and then fighting the issue on the state levels. Not only is this more constitutionally coherent (and libertarians love them some originalism), but it will depressurize the issue as a national political thing (at least mostly -- but both parts would likely agree to end federal funding, for example). In the short term, this would basically entail libertarians signing on as pro life, since that is synonymous with "end Roe v. Wade."
Next, Republicans will have to compromise some on gay marriage. Again, they won't necessarily have to accept it in Texas and Arkansas, but they should stop making it a big issue of national rhetoric, etc.
Next, the GOP will have to modulate a little on crime, etc. For example, they'll have to get real about marijuana and LSD (and libertarians will have to get real about heroin and cocaine, at least for the time being).
Finally, they'll all just have to meet in the middle on foreign policy. Mostly libertarians will have to move on this, but the GOP should walk all the way off the neocon ledge.
Accomplish all these, and I think you get a robust marriage of the GOP and libertarians.