mapserver 5.0.0-beta2 and AGG detection in configure.in

[thomas bonfort]

for the time being we don't use it, and I don't plan on using it. for
polygon fills there's an AGG function.
from antigrain.com:
In *AGG* you can get the same visual result using Scanline Boolean Algebra.
It operates with scanline shapes and in average works 5-10 times faster than
GPC

On 8/4/07, Frank Warmerdam <warmerdam at pobox.com> wrote:
>
> Even Rouault wrote:
> > Currently in configure.in, if you specifiy "--with-agg" or
> "--with-agg=yes"
> > there is a check for gpc_polygon_clip to enable AGG build.
> > AC_CHECK_LIB(agg, gpc_polygon_clip, AGG_ENABLED=-DUSE_AGG,,,)
> >
> > However, GPC has a non free licence ("free for non-commercial use"). See
> > http://www.antigrain.com/license/index.html. So, my build of AGG doesn't
> > include GPC.
> >
> > I've removed the check for gpc_polygon_clip in configure.in and
> mapserver
> > 5.0.0-beta2 builds fine.
>
> Even,
>
> I have also seen that many of the free software distributions are not
> including GPC support in AGG for obvious reasons.  So if we don't need
> this
> function it would seem to be a bad one to check for.  I have taken the
> liberty of creating a trac ticket for this issue.  I'd encourage you to
> add yourself as a cc: for it.
>
>    http://trac.osgeo.org/mapserver/ticket/2204
>
> I also created a new svn-trunk "version" in trac that we can use when
> reporting bugs specifically in the current development trunk.
>
> Best regards,
> --
>
> ---------------------------------------+--------------------------------------
> I set the clouds in motion - turn up   | Frank Warmerdam,
> warmerdam at pobox.com
> light and sound - activate the windows | http://pobox.com/~warmerdam
> and watch the world go round - Rush    | President OSGeo, http://osgeo.org
>
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