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

[Tomaka, Jacek]

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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