Re: new image library "requirements"

[Eli Zaretskii]

> 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.