Re: new image library "requirements"

[Jan Djärv]

Eli Zaretskii skrev:
> > From: David Kastrup <address@hidden>
> > Date: Mon, 18 Jun 2007 09:34:59 +0200
> > Cc: Miles Bader <address@hidden>,
> >         Jan =?iso-8859-1?Q?Dj=E4rv?= <address@hidden>, address@hidden
> >
> > Maybe it should make a human-understandable report of missing
> > functionality at the very end of the configure run:
> >
> > ----  WARNING ----
> > The following functionalities will be missing in your compilation of
> > Emacs because of missing development libraries (specify
> > -without-FEATURE to omit warning about such a missing feature):
> >
> > jpeg: used for displaying jpeg image files
> > tiff: used for displaying tiff image files
> > xpm: used for displaying xpm image files and color icons
> > alsa: used for playing sounds from within Emacs
>
> Either that (we already do something similar for X toolkits and such
> likes), or display a warning at startup (or both).
>
> But failing the configure script is too draconian, IMHO.

That was Richards call:

> If we know enough to give a specific message with specific advice,
> that is better than an error from ld.  But it should be a fatal error,
> not a mere warning.  It should make the user fix things and try again.

        Jan D.