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source $GRIMOIRE/CMAKE_FUNCTIONS
           SPELL=geos
         VERSION=3.10.0
          SOURCE="${SPELL}-${VERSION}.tar.bz2"
   SOURCE_URL[0]=http://download.osgeo.org/${SPELL}/${SOURCE}
     SOURCE_HASH=sha512:12657c6649bfbf6efa3232a054969c6229bb23fc16a7c72d6ca5fdb662e0d08e14bbcaa6944a17de8972b6c236608d94c870ead0b04fada2d2af3d42c238058e
SOURCE_DIRECTORY="${BUILD_DIRECTORY}/${SPELL}-${VERSION}"
        WEB_SITE="http://trac.osgeo.org/geos/"
      LICENSE[0]="LGPL"
         ENTERED=20091102
        KEYWORDS="gis"
           SHORT="A C++ spatial topology library."
cat << EOF
GEOS is a complete C++ implementation of the functions and predicates
defined in the OpenGIS "Simple Features for SQL" specification. It includes
high quality implementations of all the important spatial relationships and
operations, robust versions of all functions in the dimensionally extended
9 intersection predicate model, implementations of the operators, Buffer(),
Union(), and Intersection(), and all other SFSQL functions including Area(),
Length(), Centroid(), etc.
EOF