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* Re: [Maarten.Vergauwen@esat.kuleuven.ac.be: configure does not consider --with-tiff=no]
       [not found] <200208210012.g7L0CH010059@wijiji.santafe.edu>
@ 2002-09-04 17:10 ` Paul Eggert
  0 siblings, 0 replies; only message in thread
From: Paul Eggert @ 2002-09-04 17:10 UTC (permalink / raw)
  Cc: bug-gnu-emacs

> From: Maarten Vergauwen <Maarten.Vergauwen@esat.kuleuven.ac.be>
> Date: Tue, 20 Aug 2002 11:37:58 +0200
> 
> The "configure" script does not take the command-line option
> "--with-tiff=no" into account and includes tiff-support anyway.

"configure --help" says:

--with-tiff             use -ltiff for displaying TIFF images

So, "configure --with-tiff=no" does not attempt to use -ltiff for
displaying TIFF images; but if the tiff API is available elsewhere
(e.g., in the C library, or perhaps in some other library that you
specified in LDFLAGS), Emacs uses the TIFF API anyway.  Perhaps that
is what happened with you?

The --with-tiff behavior is consistent with the way that Emacs
configures other libraries (e.g. jpeg).  Perhaps the convention should
be changed, so that --with-tiff=no means "do not use the TIFF API at
all"?  If so, this change should be made consistently for all the
--with options.

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