[gdal-dev] gdal 2.3 ecw 5.4

[Jachym Cepicky]

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/
$ sudo ldconfig

And after running `make`, I've got

```
make[1]: Entering directory '/home/jachym/src/gdal/gdal/apps'
/bin/bash /home/jachym/src/gdal/gdal/libtool --mode=link --silent g++
gdalinfo_bin.lo  /home/jachym/src/gdal/gdal/libgdal.la  -o gdalinfo
/home/jachym/src/gdal/gdal/.libs/libgdal.so: undefined reference to
`NCS::CString::utf8_str(std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> >&) const'
/home/jachym/src/gdal/gdal/.libs/libgdal.so: undefined reference to
`NCS::CString::Utf8Encode(std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> >&,
std::__cxx11::basic_string<wchar_t, std::char_traits<wchar_t>,
std::allocator<wchar_t> > const&)'
/home/jachym/src/gdal/gdal/.libs/libgdal.so: undefined reference to
`NCS::CView::SetTransformList(int,
std::__cxx11::list<NCS::API::ITransform*,
std::allocator<NCS::API::ITransform*> >&)'
/home/jachym/src/gdal/gdal/.libs/libgdal.so: undefined reference to
`NCS::CString::Utf8Decode(std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> > const&)'
collect2: error: ld returned 1 exit status
GNUmakefile:82: recipe for target 'gdalinfo' failed
make[1]: *** [gdalinfo] Error 1
make[1]: Leaving directory '/home/jachym/src/gdal/gdal/apps'
GNUmakefile:105: recipe for target 'apps-target' failed
make: *** [apps-target] Error 2
```

Any hint, what to try?

Thank you

Jachym

-- 
Jachym Cepicky
e-mail: jachym.cepicky gmail com
URL: http://les-ejk.cz
GPG: http://les-ejk.cz/pgp/JachymCepicky.pgp
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