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To: cygwin@cygwin.com
Subject: [ANNOUNCEMENT] Updated: geos-3.9.1-1
Message-Id: <announce.0135fc97-8c1b-d3a8-40ca-d425a4a2691a@gmail.com>
Date: Wed, 5 May 2021 04:43:20 +0200
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From: Marco Atzeri via Cygwin-announce via Cygwin <cygwin@cygwin.com>
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Cc: Marco Atzeri via Cygwin-announce <cygwin-announce@cygwin.com>
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Version 3.9.1-1 of
    geos			(source only)
    libgeos-devel
    libgeos_3_9_1	(C++ lib, SONAME Bump)
    libgeos_c1		(C API)

have been uploaded for cygwin.

GEOS (Geometry Engine - Open Source) is a C++ port of the
Topology Suite (JTS).
As such, it aims to contain the complete functionality of
JTS in C++. This includes all the OpenGIS Simple Features
for SQL spatial predicate functions and spatial operators,
as well as specific JTS enhanced topology functions.

CHANGES
Latest upstream release
https://trac.osgeo.org/geos/browser/git/NEWS?rev=3.9.1

NOTES
SONAME bump for C++ interface is a peculiar design decision
https://lists.osgeo.org/pipermail/geos-devel/2017-January/007643.html

The C++ Library is only used by the C Library that has stable API,
Application should only use the C Interface.


HOMEPAGE
https://trac.osgeo.org/geos/

Regards

Marco Atzeri

If you have questions or comments, please send them to the
cygwin mailing list at: cygwin (at) cygwin (dot) com .

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