Re: Crosspost: Help wanted from comp.compilers

[Hyman Rosen <hyrosen@mail.com>]

tmoran@acm.org wrote:
>   That's an example of a case where a textually unchanged spec file
> needs to be recompiled because of a change in compiler options.

But GNAT doesn't do it, as you yourself point out!

> Other compilers might lay out records differently according to compiler
> switches telling them to optimize for space/time.  That would
> require cascading recompiles where the only change is to compiler
> optimization switches, not to any source files.

But I would expect that this happens when new options are applied to
the withing program unit, not to the withed one. So you only recompile
the things you ask for.