[OSM-dev] Writing an OSM map application

[Keith Sharp]

On Sat, 2007-03-24 at 16:21 +0100, Andreas Volz wrote:
>
> I tried to build it with the Makefile and got as result:
> 
> g++ -g -O2 -Wall -DGEOS_INLINE    -c -o build_geometry.o
> build_geometry.cpp build_geometry.cpp:26:39: error:
> geos/geom/GeometryFactory.h: No such file or directory
> build_geometry.cpp:27:49: error:
> geos/geom/CoordinateSequenceFactory.h:
> No such file or directory build_geometry.cpp:28:32: error:
> geos/geom/Geometry.h: No such file or directory
> build_geometry.cpp:29:34: error: geos/geom/LineString.h: No such file
> or directory build_geometry.cpp:30:34: error: geos/geom/LinearRing.h:
> No such file or directory build_geometry.cpp:31:39: error:
> geos/geom/MultiLineString.h: No such file or directory
> build_geometry.cpp:32:31: error: geos/geom/Polygon.h: No such file or
> directory build_geometry.cpp:33:31: error: geos/io/WKTReader.h: No
> such
> file or directory build_geometry.cpp:34:31: error:
> geos/io/WKTWriter.h:
> No such file or directory
> ...
> 
> > ls /usr/include/geos
> geomgraph.h       indexBintree.h    io.h               operation.h
> opValid.h      spatialIndex.h geomgraphindex.h  indexChain.h
> noding.h           opLinemerge.h   planargraph.h  timeval.h
> geom.h            indexQuadtree.h   nodingSnapround.h  opOverlay.h
> platform.h     unload.h geomUtil.h        indexStrtree.h
> opBuffer.h         opPolygonize.h  precision.h    util.h
> geosAlgorithm.h   indexSweepline.h  opDistance.h       opRelate.h
> profiler.h     version.h
> 
> > eix geos
> * sci-libs/geos 
>      Available versions:  2.2.1 2.2.3 ~3.0.0_rc3
>      Installed:           2.2.3
>      Homepage:            http://geos.refractions.net
>      Description:         Geometry Engine - Open Source
> 
> Do I need a more recent geos version? I think it doesn't hurt to
> document the needed library versions. :-) 

By default the Makefile is configured to build against GEOS 3.0.0.  You
have two options:

1) Upgrade your GEOS to 3.0.0.

2) Pass the compiler define to make the build use GEOS 2.2:

	CXXFLAGS="-DGEOS_TWO" make

Keith.