How is lang.opt processed?

[Neil Booth]

Steve Kargl wrote:-

> Yeah, tell us something we did not know!  The problem, until
> Jim explained option handling, is *why* these were not passed
> to gfortran.  Finding the info is/was non-obvious.  What is
> even more appalling is that there is no way to inhibit the
> swallowing of the options.

Ah, OK.  I assumed that since you referred to lang.opt (the title
of this whole thread) you were looking in the front ends.  The
driver and lang.opt are completely separate; the driver runs in
the fabulous world of specs, which as you've noticed suck.  They're
reasonably well documented in gcc.c though.  Changing how they work
will give you more than a headache.

Neil.