[gdal-dev] [External] : Re: how to build netCDF driver plugin

[Fengting Chen]

After fix the plugin library name, the netCDF driver plugin on linux is working. However, it still didn’t work on windows:

E:\tmp\gdal>gdalinfo
ERROR 1: Can't load requested DLL: E:\tmp\gdal\bin\gdalplugins\gdal_netCDF.dll
126: The specified module could not be found.

ERROR 1: Can't load requested DLL: E:\tmp\gdal\bin\gdalplugins\gdal_netCDF.dll
126: The specified module could not be found.

I verified that specified gdal_netCDF.dll exists at above directory and netcdf.dll is in the path of %PATH%.

Any possible problem?

This is a build on gdal 3.4.1.

Thanks,

From: Even Rouault <even.rouault at spatialys.com>
Sent: Thursday, February 24, 2022 12:54 PM
To: Fengting Chen <fengting.chen at oracle.com>; gdal-dev at lists.osgeo.org
Subject: [External] : Re: [gdal-dev] how to build netCDF driver plugin


- The filename is case sensitive: it must be gdal_netCDF.so/dll since the registration function is called GDALRegister_netCDF()

- You need to set the GDAL_DRIVER_PATH environment variable to point to the directory where the driver is

- You might find it easier when using master to use CMake:  cmake -DGDAL_ENABLE_DRIVER_NETCDF_PLUGIN:BOOL=ON  . That will work on both Linux and Windows
Le 24/02/2022 à 17:45, Fengting Chen a écrit :
Under current build system, how to build netCDF driver as a plugin on linux and windows?

On windows, when I set NETCDF_PLUGIN=YES, the gdal_netcdf.ddl was built. But gdalinfo still doesn’t show netcdf as a supported format.

On linux, I changed the local makefile for netcdf and built gdal_netcdf.so. But gdalinfo doesn’t show netcdf as a supported format either.

Any help would be appreciated.

Thanks



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