R: [Qgis-developer] ECW support again

Paolo L. Scala scala at itc.cnr.it
Tue Jun 10 10:32:47 EDT 2008

Thanks a lot, Marco!
I'll check your tutorials as soon as possible!


marco.pasetti at alice.it ha scritto:
> Hi Paolo,
> sit down and listen: it could be a long job to do;
> MinGW sometimes has problems linking against MSVC libraries, specially 
> GDAL if built with MinGW: forget it!
> You need to build GDAL (with ECW support) using Visual Studio, then 
> you need to build GRASS (using MinGW)and then again GDAL with GRASS 
> support (with VS).
> This done, you need to build some things over (with MinGW), and then 
> finally build QGIS with CMake.
> See my BuldingGuide for more information:
> http://www.webalice.it/marco.pasetti/qgis+grass/BuildFromSource.html
> see also
> http://www.webalice.it/marco.pasetti/grass/BuildFromSource.html
> Regards,
> Marco
> ------------------------------------------------------------------------
> *Da:* qgis-developer-bounces at lists.osgeo.org per conto di Paolo L. Scala
> *Inviato:* mar 10/06/2008 16.15
> *A:* qgis-developer at lists.osgeo.org
> *Oggetto:* [Qgis-developer] ECW support again
> Hello everyone,
> I posted this on the QGIS forum too, but I didn't get any reply, so I
> try here :)
> I managed to compile GDAL with ECW support using Microsoft Visual Studio
> 2005 express, but how can I build QGIS with the new dll?
> I reconfigured the build using cmakesetup, specifying the new dll and
> includes paths, but the compilation exits with errors about functions
> that couldn't be found.
> I tried to compile gdal with MinGW, but it seem it doesnt recognize MS
> SDK's includes and libraries, even thought I specified them in the
> LDFLAGS and CPPFLAGS environment variables.
> Can someone give me some hint?
> Thanks a lot,
> Paolo
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