[gdal-dev] gdal 2.3 ecw 5.4

[Even Rouault]

On mercredi 2 mai 2018 22:04:24 CEST Jachym Cepicky wrote:
> Hi,
> 
> I try to build gdal (`git checkout release 2.3`, but the same result I've
> got on master) with ECW support.
> 
> I followed the tutorial on https://trac.osgeo.org/gdal/wiki/ECW
> 
> Downloaded sdk 5.4 for Linux from
> https://download.hexagongeospatial.com/downloads/ecw/erdas-ecw-jp2-sdk-v5-4-> linux
> 
> Installed to /opt/hexagon dir
> 
> configured with
> 
> $ ./configure
> --with-ecw=/opt/hexagon/ERDAS-ECW_JPEG_2000_SDK-5.4.0/Desktop_Read-Only/
> 
> made copy of libNCSEcw.so to /usr/local/lib
> 
> $ sudo cp
> /opt/hexagon/ERDAS-ECW_JPEG_2000_SDK-5.4.0/Desktop_Read-Only/lib/x64/release
> /libNCSEcw.so.5.4.0 /usr/local/lib/

Jachym,

That .so uses the 'old' C++ ABI
If you use gcc 5.1 or later, you need to use
ERDAS-ECW_JPEG_2000_SDK-5.4.0/Desktop_Read-Only/lib/newabi/x64/release/
libNCSEcw.so

(note the additional newabi/ subdirectory in the path)

Even

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