[pgrouting-dev] 2.0 branch CGAL dependency and GEOS 3.4dev

[Stephen Woodbridge]

On 5/10/2013 11:04 AM, Stephen Mather wrote:
> That makes sense.  It's funny, cause I am currently pulling my hair out
> with the opposite issue-- the cmake minimum not matching what's
> available on Ubuntu 12.04, so yes-- no extra headaches in the form of
> dependency h*ll should ever be lightly foisted upon the unaware... :).

I just download the cmake source cmake-2.8.10.2.tar.gz and built that on 
debian. I know that is not desirable. Looks like you can get it from a 
PPA here:

http://www.ubuntuupdates.org/package/kubuntu-ppa_backports/precise/main/base/cmake

-Steve

> Best,
> Steve
>
>
>
>
> On Fri, May 10, 2013 at 10:13 AM, Stephen Woodbridge
> <woodbri at swoodbridge.com <mailto:woodbri at swoodbridge.com>> wrote:
>
>     On 5/10/2013 9:53 AM, Stephen Mather wrote:
>
>         Apologies for the last e-mail with vague subject line.  Another
>         thought
>         on pgRouting dependencies-- any plans for cgal to be dropped
>         once GEOS
>         3.4 is readily available?  It seems like it could be with
>         Delaunay being
>         on GEO 3.4dev, but I don't know when the line gets moved for minimum
>         GEOS version (obviously sometime after it's no longer a dev
>         version).
>
>
>     Yes, that is the ultimate plan. We have a little chicken vs egg
>     issue in that we need the new postgis functions so we can rewrite
>     our code as you point out. We also have to be careful to not set the
>     required postgis version too high too soon, because that will be a
>     problem for the packagers where new releases lag behind.
>
>     We have another options:
>
>     1. I have code that I could contribute as an interim solution, but
>     that seems like a lot of work.
>
>     2. we could provide both a CGAL (depreciated) and a postgis SQL only
>     solution that would only work if you have GEOS 3.4 install.
>
>     So we will see how this evolves, given other work, release
>     deadlines, pull requests, funding, etc.
>
>     Thanks,
>        -Steve W
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