Thanks.  Please find config.log attached.

On Tue, Mar 5, 2013 at 10:47 PM, Glenn Morris <rgm@gnu.org> wrote:
>
> You don't need to be subscribed to report an Emacs bug.
> Just mail bug-gnu-emacs@gnu.org.
> I forwarded your report as http://debbugs.gnu.org/13883 .
> Please reply-to-all with config.log as a (compressed) attachment.
>
>
>
> From: David Crick <dacrick <at> gmail.com>
> Subject: Emacs pretests: configure --enable-LTO means can't find X
>
> Apologies for sending this direct, but am not on the emacs
> mailing list.
>
> It's not a show-stopper since I have -flto in my CFLAGS
> anyway (which is all configure does: add -flto to CFLAGS),
> but clearly something's screwy so I thought I'd report it.
>
> It happens in both the RC1 and also 24.2.93.1 before it.
> (Don't know about anything before that since I never tried
> pretest build before .93)
>
> Full report:
>
> if I run ./configure --enable-link-time-optimization it stops
> with the following (incorrect) error:
>
> [...]
> checking for X... no
> checking for X... true
> configure: error: You seem to be running X, but no X development libraries
> were found.  You should install the relevant development files for X
> and for the toolkit you want, such as Gtk+, Lesstif or Motif.  Also
> make sure you have development files for image handling, i.e.
> tiff, gif, jpeg, png and xpm.
> If you are sure you want Emacs compiled without X window support, pass
>   --without-x
> to configure.
>
> whereas if I just do ./configure it progresses fine:
>
> [...]
> checking for X... libraries , headers
> [...]
>
>
> Thanks.
>
>   David.