[gdal-dev] Compiling with ECW/JP2ECW support enabled

[Even Rouault]

Le mercredi 17 février 2016 16:38:30, Jonathan Williams a écrit :
> I have tried this; I've added the Ubuntu-GIS repository, but none of the
> builds are for 64 bit 14.04 LTS, from what I've seen.
> 
> I've also tried to force the issue with the instructions here:
> http://gis.stackexchange.com/a/102088
> 
> However, the build fails, perhaps because I'm using version 5.2.1 of
> ERDAS' SDK with libNCSEcw.so.5.2.1, or perhaps because I'm using Gdal
> 2.0.2? the compile messages indicate a couple of errors.
> 
> 
> /usr/local/include/gdal_priv.h:226:19: error: ‘char**
> GDALOpenInfo::papszSiblingFiles’ is private
>      char        **papszSiblingFiles;
>                    ^
> ecwdataset.cpp:2526:48: error: within this context
>                                     poOpenInfo->papszSiblingFiles, NULL );
>                                                 ^
> make: *** [ecwdataset.o] Error 1
> 
> ...as well as...
> 
> ecwdataset.cpp:440:91: error: no matching function for call to
> ‘ECWRasterBand::SetDefaultHistogram(double&, double&, int&, int*&)’

My bet is that you are building the ECW driver code from GDAL 1.X against GDAL 
2.X headers.

> 
> 
> Note that I did *not* attempt to install QGIS or libgdal-dev, as I was
> concerned some of the other dependencies might regress work that I'd
> done with compiling Jasper, etc.
> 
> Best,
> Jonathan
> 
> On 2/17/2016 12:26 AM, Tomaka, Jacek wrote:
> > HI Jonathan,
> > Have you tried compiling in  ECW/JP2 support as a plugin?
> > Regards.
> > Jacek Tomaka
> > 
> > -----Original Message-----
> > From: gdal-dev [mailto:gdal-dev-bounces at lists.osgeo.org] On Behalf Of
> > Jonathan Williams Sent: Wednesday, 17 February 2016 4:51 AM
> > To: gdal-dev at lists.osgeo.org
> > Subject: [gdal-dev] Compiling with ECW/JP2ECW support enabled
> > 
> > Hello,
> > In addition to my previous question regarding OpenCL support bafflement,
> > I've run into difficulty compiling GDAL 2.02 with ECW support.
> > 
> > I've compiled with "--with-ecw=/usr/local/hexagon", as the 5.2 SDK is
> > located there, and symlinked the
> > /usr/local/hexagon/lib/(x64|x86)/release/libNCSEcw.so library to
> > /usr/local/lib/libNCSEcw.so .
> > 
> > Configuration completes with no errors, as does compilation. The
> > ./configure output indicates that support is selected, and config.log
> > says all libraries were found.
> > 
> > However, the completed utilities do not list ecw as a readable format,
> > and indeed, they cannot read ecw files (much less jpeg2000 ones).
> > 
> > I understand there have been libgdal-ecw scripts that some have run to
> > enable support; however, I haven't found one for this situation (Ubuntu
> > desktop 14.04.3 LTS 64 bit, with gdal 2.02).
> > 
> > Is it the case that these scripts also need to be run to enable ecw
> > support? or am I foolishly missing something?
> > 
> > I see in the config.log that -ECW_FLAGS are set to
> > '-DHAVE_ECW_BUILDNUMBER_H -DLINUX -DX86 -DPOSIX -DHAVE_COMPRESS
> > -DECW_COMPRESS_RW_SDK_VERSION', and thought perhaps a 32 bit library had
> > been selected; however, manually modifying the flag "DX86" to "DX64"
> > simply produced an error.
> > 
> > Any insight would be appreciated.
> > 
> > Best regards,
> > Jonathan Williams
> > 
> > _______________________________________________
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> > gdal-dev at lists.osgeo.org
> > http://lists.osgeo.org/mailman/listinfo/gdal-dev
> 
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