[gdal-dev] Can we external libtiff and internal GeoTiff while building GDAL?

[Even Rouault]

John,


yes I believe this should work (although probably not much tested).


The reverse is explicitly forbidden though (from 
frmts/gtiff/CMakeLists.txt):


if (GDAL_USE_TIFF_INTERNAL AND NOT GDAL_USE_GEOTIFF_INTERNAL)
   message(FATAL_ERROR "When GDAL_USE_TIFF_INTERNAL=ON, 
GDAL_USE_GEOTIFF_INTERNAL must be also set to ON")
endif ()

Even


Le 28/03/2025 à 14:04, John Smith via gdal-dev a écrit :
> Hi
>
> Is this allowed if I use GDAL Internal Geotiff and external libtiff 
> library while building GDAL? What all things I need to take care.
> Will there be any symbol clashes etc which I need to handle as well?
>
> <arg value="-DGDAL_USE_GEOTIFF_INTERNAL=*ON*"/>
> <arg value="-DGDAL_USE_TIFF_INTERNAL=*OFF*"/> //Specify external 
> libtiff include and libs My end goal is to have below Options enabled 
> when I run *gdalinfo.exe --format gtiff*
> <CreationOptionList>
>       <Option name="COMPRESS" type="string-select">
>               <Value>ZSTD</Value>
> <Value>WEBP</Value>
> <Value>LERC</Value>
> <Value>LERC_DEFLATE</Value>
> <Value>LERC_ZSTD</Value>
>         </Option>
>    // Extra tags
> </CreationOptionList>
>
>
>
> BR
> John
>
> And ho
>
>
>
>
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