RFC: New pexecute interface

[Ian Lance Taylor]

"E. Weddington" <ericw@evcohs.com> writes:

> Thanks for taking a look at this again. A solution is badly needed.
> Would this be targeted for 4.0, perhaps?

No promises from me on that front.  Let's get it into mainline first.

After it is working on mainline, it would be reasonable to propose
moving it onto the 4.0 branch.  It is not, technically, a regression,
though, since it never actually worked in an official release.

Ian