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update README entry on missing drivers
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referring to Yggdrasil and #65
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visr authored Sep 19, 2020
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Expand Up @@ -57,7 +57,7 @@ The `GDAL.C` submodule no longer exists. All functions that were there and not i
If you get an error such as the one below:
```
GDALError (CE_Failure, code 6):
The SQLite driver needs to be compiled to support the SQLite SQL dialect
The <...> driver needs to be compiled to support <...>
```

This means that the GDAL binaries you are using, which normally come from the [GDALBuilder](https://github.com/JuliaGeo/GDALBuilder), are not compiled with support for the format or feature you need. GDAL is a large library with many optional dependencies which allow support for more formats. Currently the amount of formats supported is still limited, but will grow over time. Lists of available formats can be found [here](https://gdal.org/drivers/raster/index.html) for rasters and [here](https://gdal.org/drivers/vector/index.html) for vectors. If you need support for another format, consider making an issue or PR at the GDALBuilder repository. Many formats need external libraries as added dependencies. This means a BinaryBuilder repository also needs to be available for that library, and added as a dependency.
This means that the GDAL binaries you are using, which normally come from the [Yggdrasil community build tree](https://github.com/JuliaPackaging/Yggdrasil/tree/master/G/GDAL), are not compiled with support for the format or feature you need. GDAL is a large library with many optional dependencies which allow support for more formats. Currently the amount of formats supported is still limited, but will grow over time. Lists of available formats can be found [here](https://gdal.org/drivers/raster/index.html) for rasters and [here](https://gdal.org/drivers/vector/index.html) for vectors. If you need support for another format, consider making an issue in this repository. Many formats need external libraries as added dependencies. This means an Yggdrasil build also needs to be available for that library, and added as a dependency. See [issue #65](https://github.com/JuliaGeo/GDAL.jl/issues/65) for a discussion on which new drivers should be prioritized.

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