cvs commit: fptools configure.acfptools/libraries/base/System/Posix Signals.hscfptools/libraries/base/include HsBase.h

[Volker Stolz]

Am 08. Sep 2004 um 11:07 CEST schrieb Simon Marlow:
> >>   Add cpp-protected signals sigINFO & sigWINCH if available.
> >>   (An autoconf-wizard might want to look at the bottom of
> >>   configure.ac, the similarities between HAVE_SIGPOLL, HAVE_SIGINFO
> >>   & HAVE_SIGWINCH can surely be factored out)
> > 
> > - isn't it highly undesirable for a module to have different
> >   interfaces in different environments?  (That is, can't these things
> >   be exported with value 0?)
> 
> I've no objection to putting them *somewhere* - perhaps
> System.Posix.Signals.Exts?  With System.Posix.Exts to re-export
> non-POSIX things?

Yes, that'd be possible in this case -- but I'm sure there are similar cases
lurking out there where we'd have a data type, e.g.

data Signal = sigFoo | sigBar

and in this case, this couldn't be solved as cleanly, I fear.
-- 
Volker Stolz * http://www-i2.informatik.rwth-aachen.de/stolz/ * PGP * S/MIME