On Mon, Nov 3, 2014 at 10:00 PM, alassane toure <[email protected]> wrote: > Please find attached the code and associated error after compilation... > > gcc -o test imagescale.cpp -I /usr/include/gdal -lgdal > /usr/bin/ld: /tmp/ccrySeCX.o: undefined reference to symbol > 'floor@@GLIBC_2.2.5' > //lib/x86_64-linux-gnu/libm.so.6: error adding symbols: DSO missing from > command line > collect2: error: ld returned 1 exit status
You are missing libmath, add -lm (previous versions of gcc had this automatically): gcc -o test imagescale.cpp -I /usr/include/gdal -lgdal -lm > > > On Mon, Nov 3, 2014 at 1:41 PM, Johan Van de Wauw > <[email protected]> wrote: >> >> Please include the error. And possibly also the file if it is no >> secret, will help you get a much better answer. >> >> Johan >> >> BTW: keep the ubuntugis list in cc, other people may benefit from >> reading how we solved your problem. >> >> On Mon, Nov 3, 2014 at 9:39 PM, alassane toure <[email protected]> wrote: >> > Hi Johan, >> > I am not a sophisticated user of gdal. I am looking for the easiest way >> > to >> > have the compiler running. As such, I followed your instruction by >> > running >> > the version included in ubuntu "sudo apt-get install libgdal-dev" but >> > the >> > compilation of the program test.cpp did not work. This issue started >> > when i >> > install the latest ubuntu version. >> > >> > Again, thanks for your insight! >> > >> > On Mon, Nov 3, 2014 at 1:26 PM, Johan Van de Wauw >> > <[email protected]> wrote: >> >> >> >> Hello Alassane, >> >> >> >> First of all, you should tell us what you actually want to achieve. >> >> You may be better of using the gdal libraries which are already part >> >> of ubuntu rather than compiling your own version. >> >> >> >> If you want to use the version of gdal included in ubuntu install the >> >> package libgdal-dev . You can do so using your favorite package >> >> manager or using the command prompt: sudo apt-get install libgdal-dev >> >> >> >> If you do that your command will probably work without extra effort. >> >> >> >> If there is a good reason to install your own version, you can still >> >> do so, but you should be aware that you are probably installing to >> >> /usr/local instead of /usr. >> >> >> >> In that case you should adjust for the include: >> >> gcc -o test test.cpp -I /usr/local/include/gdal -lgdal >> >> >> >> adjusting the linking is slightly more work.try running ldconfig (as >> >> root so sudo ldconfig) first after the installation. If that does not >> >> work make sure that the directory /usr/local/lib is part of >> >> /etc/ld.so.conf and run ldconfig again. >> >> >> >> Johan >> >> >> >> Johan >> >> >> >> On Mon, Nov 3, 2014 at 9:12 PM, alassane toure <[email protected]> >> >> wrote: >> >> > I was able to run it successfully but the following command did not >> >> > work.. >> >> > gcc -o test test.cpp -I /usr/include/gdal -lgdal >> >> > >> >> > Any thoughts? >> >> > Thanks, >> >> > >> >> > On Mon, Nov 3, 2014 at 12:24 PM, Johan Van de Wauw >> >> > <[email protected]> wrote: >> >> >> >> >> >> On ubuntu, run "sudo make install" >> >> >> >> >> >> Alternatively, you may wait a few days until gdal 1.11.1 hits >> >> >> ubuntugis-unstable. >> >> >> >> >> >> Johan >> >> >> >> >> >> On Mon, Nov 3, 2014 at 8:11 PM, alassane toure <[email protected]> >> >> >> wrote: >> >> >> > Group, >> >> >> > I downloaded the gdal version 1.11.1 and followed instructions >> >> >> > provided >> >> >> > in >> >> >> > http://trac.osgeo.org/gdal/wiki/BuildingOnUnix >> >> >> > >> >> >> > % cd gdal >> >> >> > % ./configure >> >> >> > % make >> >> >> > % su >> >> >> > Password: ******** >> >> >> > # make install >> >> >> > # exit >> >> >> > >> >> >> > All went well but without a 'su' credential, I was unable to >> >> >> > complete >> >> >> > the >> >> >> > installation. >> >> >> > I am running windows and unix on the same machine with the same >> >> >> > access >> >> >> > username and password. Do i need to create a su account >> >> >> > >> >> >> > or is there another way to have the gdal compiler working again? >> >> >> > >> >> >> > I appreciate your help >> >> >> > >> >> >> > Regards, >> >> >> > Alassane >> >> >> > >> >> >> > >> >> >> > >> >> >> > On Thu, May 24, 2012 at 1:16 PM, Alassane Toure >> >> >> > <[email protected]> >> >> >> > wrote: >> >> >> >> >> >> >> >> Group, >> >> >> >> I need help to install GDAL 1.9.1 on Ubuntu 12.04. I first >> >> >> >> downloaded >> >> >> >> gdal-1.9.1.tar.gz, uncompressed it and executed ./configure. >> >> >> >> Where >> >> >> >> do >> >> >> >> I go >> >> >> >> from here? >> >> >> >> >> >> >> >> Thanks for your help >> >> >> > >> >> >> > >> >> >> > >> >> >> > _______________________________________________ >> >> >> > UbuntuGIS mailing list >> >> >> > [email protected] >> >> >> > http://lists.osgeo.org/mailman/listinfo/ubuntu >> >> >> > http://trac.osgeo.org/ubuntugis/wiki >> >> > >> >> > >> > >> > > > _______________________________________________ UbuntuGIS mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/ubuntu http://trac.osgeo.org/ubuntugis/wiki
