[gdal-dev] New build warning

[Andrew Bell]

Hi,

It looks like CI is way ahead of my config. Are you using an Apple-provided
compiler or one from clang or elsewhere?

[sd-integration] (gdal) $ clang++ --version
Apple clang version 14.0.3 (clang-1403.0.22.14.1)
Target: x86_64-apple-darwin22.5.0
Thread model: posix
InstalledDir:
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin
On Mon, Jan 5, 2026 at 12:32 PM Even Rouault <even.rouault at spatialys.com>
wrote:

> Hi Andrew,
>
> openmp is enabled when available since
> https://github.com/OSGeo/gdal/commit/2a3f06b90f2d68da446451a44090aa38fd6f4b5a#diff-c6d7b93ff4bf010c2c6218c9329af9afb9a00aab7871175046a9b50f26826452R435
> .  What is your clang version ?  That warning are not shown on our clang
> based CI configurations up to now.
>
Even
> Le 05/01/2026 à 18:25, Andrew Bell via gdal-dev a écrit :
>
> Hi,
>
> I updated to the latest master and am now seeing the following warning
> during compilation:
>
> [156/1486] Building CXX object alg/CMakeFiles/alg.dir/thinplatespline.cpp.o
> clang: warning: argument unused during compilation: '-Xclang -fopenmp'
> [-Wunused-command-line-argument]
>
> If anyone has some info on this, please let me know.
>
> --
> Andrew Bell
> andrew.bell.ia at gmail.com
>
> _______________________________________________
> gdal-dev mailing listgdal-dev at lists.osgeo.orghttps://lists.osgeo.org/mailman/listinfo/gdal-dev
>
> -- http://www.spatialys.com
> My software is free, but my time generally not.
>
>

-- 
Andrew Bell
andrew.bell.ia at gmail.com
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