[gdal-dev] Abou R sf library and GDAL

[Roger Bivand]

Even,

On Wed, 30 Oct 2024, Even Rouault wrote:

> Roger,
>
>>  Tomas also pointed to hot-fixes needed with 3.9.3 in pkg-config in that
>>  setting to remove ".lib" from "-lshell32.lib" and "-lole32.lib" - towards
>>  end of:
>>
>>  https://svn.r-project.org/R-dev-web/trunk/WindowsBuilds/winutf8/ucrt3/toolchain_libs/mxe/src/gdal.mk 
>> 
>>
>>  If these file extensions as such are not needed in other settings, maybe
>>  they could be suppressed in the next RC?
> Hopefully RC2 will be the last one, and that issue is far from being a 
> blocker. I've no idea where this shell32.lib or ole32.lib come from as they 
> are not referenced in GDAL sources themselves. Presumably from a 
> CMake/pkg-config from a GDAL dependency. Perhaps the fix should be in that 
> component that appends the .lib. Or maybe not. There's a lot of dark magick 
> in cmake/helpers/GdalGenerateConfig.cmake do deal with a number of cases. 
> Perhaps a new one is needed to strip out ".lib" extension when "-l" is 
> used....? I'm afraid only people with the environment that triggers the issue 
> are in a position to come with a potential GDAL fix proposal.

Yes, thanks, I understand - I'll forward this to Tomas.

Roger

>>
>>  There are other patches too, most masking "int main(...)" in apps, and
>>  fine-tuning Cmake behaviour, and listed in
>>  https://svn.r-project.org/R-dev-web/trunk/WindowsBuilds/winutf8/ucrt3/toolchain_libs/mxe/src/gdal-1-fixes.patch
>>  and needing intervention at each upgrade.
>
> Some of them (but perhaps not all) might potentially be considered for 
> upstream inclusion. Part of them won't be necessary in master since we've 
> started to drop a few of the unused utilities. Up to the people annoyed by 
> maintaining them to submit pull requests to GDAL. One per topic. Some of the 
> CMake changes (thinking of the PostgreSQL ones) should also likely be 
> submitted directly to 
> .https://gitlab.kitware.com/cmake/cmake 
> from which a number of the FindXXXX.cmake files come from.
>
> Even
>
>

-- 
Roger Bivand
Emeritus Professor
Department of Economics, Norwegian School of Economics,
Postboks 3490 Ytre Sandviken, 5045 Bergen, Norway.
e-mail: Roger.Bivand at nhh.no