Re: [Opengrads-devel] Supplibs heads up

[Arlindo da S. <da...@al...>]

Jennifer,

   Thanks for the heads up. We have been building pkgconfig & cairo for
sometime now as it is required for gxyat. So far I have not included Xrender
and the X11 surface and I'll make sure I enable it.  Updating NetCDF to
4.1.2 is an excellent idea, I'll follow your lead on that as well.

  I have not had much time to work on grads lately. On my to do list is to
develop a POSIX extension that would bring a lot of new functionality to the
scripting language. With my hectic schedule in my day job I am not sure when
I'll get around to it...

  Looking forward to your new releases.

  Cheers!

     Arlindo

On Thu, Apr 14, 2011 at 1:30 PM, Jennifer Adams <jm...@co...> wrote:

> Dear All,
>
> I have done a lot of work on the supplibs, getting ready for releases
> of 2.0.0 (really soon) and 2.1.a0 (not sure when). For 2.0.0, there
> are new versions of zlib, netcdf, hdf5, jasper, and grib2. These are
> the libs I feel it is necessary to keep up to date, to make sure we
> take advantage of performance enhancements. For 2.1 (the cairo
> release), there are 6 new ones: pkgconfig, Xrender, pixman, freetype,
> fontconfig, and cairo. I can statically link GrADS with all of these.
> The linear algebra library clapack will also be in 2.1, but I have not
> started working with it at all yet. All of my configure options and
> notes for building are in http://iges.org/grads/gadoc/supplibs.html
>
> For the cairo build, there are still a couple of outstanding issues I
> have not yet resolved:
>
> 1. The fontconfig library requires the presence of some local
> configuration files, they are generated as you build the library and
> are installed in ./etc/fonts under the directory where you install
> fontconfig. The environment variable FONTCONFIG_FILE points to the
> location of these config files. But there is a portability problem
> because the binary distributions do not include these files.
> Inconsistency between available fonts on each system the library is
> built on is going to be a headache.
>
> 2. I struggled a lot to pare down the list of libraries that cairo
> needs in order to enable only the features that are relevant for
> GrADS. For testing, I used a dynamically linked build of cairo
> installed with macports and compared performance with my own built-
> from-source version. One difference I have not yet resolved is
> painting with a pattern fill instead of a color. I have pushed that
> problem to the back of my list for the moment.
>
> I thought you might want to know where things stand. Please be aware
> that there may be some minor changes yet to come for 2.1 supplibs.
>
> --Jennifer
>
>
>
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-- 
Arlindo da Silva
da...@al...