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

Wed Feb 17 11:21:28 PST 2016

Indeed, my work fell victim to a path error. My apologies, all. I have
ECW support working for SDK 5.2.1 and Gdal 2.0.2.

Hopefully, the OpenCL issue is similar.

Best,
Jonathan

On 2/17/2016 1:41 PM, Jonathan Williams wrote:
> I do, though I'm afraid to admit I may have discovered a simple path
> issue with an early compilation run that may have been obscuring
> subsequent work.
>
> If that's the case, I'll send my apologies.
>
> Best
> Jonathan
>
> On 2/17/2016 1:20 PM, Even Rouault wrote:
>> Le mercredi 17 février 2016 18:13:02, Jonathan Williams a écrit :
>>> That's exactly correct, for the plugin attempt. I tried it just to see
>>> if it would get anywhere, as I couldn't find a plugin build script that
>>> supported GDAL >2.0.
>>>
>>> As for trying to build the ecw/jp2ecw support into GDAL 2.0.2 itself,
>>> I've now tried the old libecwj2 3.3 code in lieu of the SDK 5.2.1
>>> libraries; as usual, it configures and compiles without complaint, but
>>> the ecw support is simply absent in the final product.
>> In case you do multiple ./configure attempts, do you do "make clean" after 
>> running ./configure ? ( "touch frmts/gdalallregister.cpp" should be sufficient 
>> for just new drivers )
>>
>>> I'd like to use some of the GDAL >2.0 features, but if I'm not able to
>>> get ecw and OpenCL working, I may drop back to the <2.0 series to see if
>>> that helps.
>>>
>>> Best,
>>> Jonathan
>>>
>>> On 2/17/2016 11:47 AM, Even Rouault wrote:
>>>> 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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