Re: [Caml-list] camlimages problems on mac

[Alan Schmitt <alan.schmitt@polytechnique.org>]

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

> On Nov7, 2012, at 14:20 , Alan Schmitt wrote:
>
>> Samuel Hornus <samuel.hornus@inria.fr> writes:
>> 
>>> Hello,
>>> 
>>> When installing camlimages 4.0.1 with MacPort (Mac OS X 10.7.5, Latest MacPorts),
>>> the resulting camlimages has no support for JPEG, PNG, PPM, XPM, etc…
>>> which makes it sort of useless.
>> 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.
>
> The compilation goes without a hitch here as well (both using omake or
> macports), but the support for most of the image file formats are
> automatically disabled after examining the third-party' header files,
> so you get an OCaml exception at runtime. There is a piece of code
> (from camlimages) that dumps what is actually supported (see below).
> Does your camlimages actually has support for jpeg or png ?

Yes:

*******************************************************
Camlimages library capabilities currently available
bmp	: supported
ppm	: supported
gif	: supported
jpeg	: supported
tiff	: supported
png	: supported
xpm	: not supported
xv thumbnails	: supported
postscript	: supported
freetype	: supported
*******************************************************

Alan