Do you mean you're using -lgeos -lgeos_c ? One problem might be that libgeos_c.so *knows* which version of libgeos.so to link against, while manual link could pick up a wrong one (ie: manual -lgeos would link against 3.0.0 while libgeos_c.so from 2.2.3 needs to use libgeos.so from 2.2.3!)
--strk; On Mon, Jul 10, 2006 at 09:22:09AM +0200, Mateusz Loskot wrote: > Hi, > > Yesterday, one of GDAL users reported that GDAL CVS does not build > with GEOS 2.2.3. > I investigated the problem and noticed two issues. > The first one is related to GDAL autotools (already fixed). > But the second one seems to be related to GEOS itsef. > > I downloaded fresh GEOS 2.2.3 release and build it in standard way: > > $ ./configure > $ make > $ sudo make install > > Next, I checkouted GDAL from CVS and tried to build it too. > The libgdal library builds and links well, but linking > OGR utilities fails with following message: > > /bin/sh /home/mloskot/tmp/gdal-cvs/gdal/libtool --mode=link g++ > ogrinfo.o /home/mloskot/tmp/gdal-cvs/gdal/libgdal.la -o ogrinfo > g++ ogrinfo.o -o .libs/ogrinfo > /home/mloskot/tmp/gdal-cvs/gdal/.libs/libgdal.so -L/usr/local/lib > -L/usr/lib -lpq -lrt -ldl -lpthread > /usr/local/lib/libgeos_c.so.1: undefined reference to > `geos::WKBReader::read(std::basic_istream<char, std::char_traits<char> >&)' > /usr/local/lib/libgeos_c.so.1: undefined reference to > `geos::WKBWriter::write(geos::Geometry const&, std::basic_ostream<char, > std::char_traits<char> >&)' > /usr/local/lib/libgeos_c.so.1: undefined reference to > `geos::Point::getCoordinatesRO() const' > /usr/local/lib/libgeos_c.so.1: undefined reference to > `geos::WKBWriter::WKBWriter(int, int)' > collect2: ld returned 1 exit status > make[1]: *** [ogrinfo] Error 1 > make[1]: Leaving directory `/home/mloskot/tmp/gdal-cvs/gdal/ogr' > make: *** [ogr-apps] Error 2 > > I checked 2.2.3 sources and all calls listed above are declared (.h) and > defined (.cpp) properly. > > It seems to be a problem with -lgeos -lgeos_c linking but I'm not sure. > > Any ideas? > > Cheers > -- > Mateusz Loskot > http://mateusz.loskot.net > _______________________________________________ > geos-devel mailing list > geos-devel@geos.refractions.net > http://geos.refractions.net/mailman/listinfo/geos-devel -- /"\ ASCII Ribbon Campaign \ / Respect for low technology. X Keep e-mail messages readable by any computer system. / \ Keep it ASCII. _______________________________________________ geos-devel mailing list geos-devel@geos.refractions.net http://geos.refractions.net/mailman/listinfo/geos-devel
