multilibbing libf2c

[Dave Love]

>>>>> "RL" == Robert Lipe <robertl@dgii.com> writes:

 RL> When I get things less ugly, I'll start sharing patches with a
 RL> wide audience.  Anyone interested in helping with them is, of
 RL> course, welcome to them now.

I'll help if you think I can.  I'd started trying to understand it on
the basis of the Chilling experience.  Bits of Chill's configuration
look unreassuringly familiar!

I can't really test it, so good that it's being done there.