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From: Alan Schmitt <alan.schmitt@polytechnique.org>
To: Samuel Hornus <samuel.hornus@inria.fr>
Cc: O Caml <caml-list@inria.fr>
References: <3A52788A-5B74-490E-9678-5C5C1578C524@inria.fr>
Date: Wed, 07 Nov 2012 14:20:37 +0100
In-Reply-To: <3A52788A-5B74-490E-9678-5C5C1578C524@inria.fr> (Samuel Hornus's
	message of "Wed, 7 Nov 2012 13:52:18 +0100")
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Subject: Re: [Caml-list] camlimages problems on mac

Samuel Hornus <samuel.hornus@inria.fr> writes:

> Hello,
>
> When installing camlimages 4.0.1 with MacPort (Mac OS X 10.7.5, Latest Ma=
cPorts),
> the resulting camlimages has no support for JPEG, PNG, PPM, XPM, etc=E2=
=80=A6
> which makes it sort of useless.
>
> When compiling the source using omake, the same happens. It can find
> the header files, but can't find specific functions inside.
>
> The source code for camlimages seems perhaps outdated w.r.t. changes
> in the API of libpng, libjpg, giflib, tifflib, etc=E2=80=A6
>
> Could anyone confirms this dire state of affairs? Is there a
> "modernizer" patch floating around? or some work in progress? Is it
> the same on Linux?

I just tried to configure it using godi, and this is what is supported
on my system:

External libraries: lablgtk2 bmp ppm png jpeg tiff freetype(2) ps

Most of my image libraries are installed through homebrew (I see for
instance "jpeg" or "libpng", I don't know where the ppm support comes
from).

To get support for gifs, I installed giflib (still through homebrew).

After doing this, camlimages seems to compile fine.

Alan