[PROJ] proj.db in a cross compilation

[Will Cohen]

Ah that’s right — it precompiled SQLite with emscripten first too, and fed
that to the configuration before rerunning with emcmake.

On Mon, Nov 10, 2025 at 7:13 PM Even Rouault via PROJ <proj at lists.osgeo.org>
wrote:

> Hi Javier,
>
> the "key" is to have a sqlite3 executable for the host architecture
> (that you can point to with the EXE_SQLITE3 CMake variable), and the
> libsqlite3 library for the target one.
>
> For example the GDAL CI has an Android setup at
>
> https://github.com/OSGeo/gdal/blob/master/.github/workflows/android_cmake/start.sh#L45
> (note that is likely not the most canonical way of setting up an Android
> cross compilation, but at least it works...)
>
> Even
>
> Le 11/11/2025 à 00:58, Javier Jimenez Shaw via PROJ a écrit :
> > Hi
> >
> > I am trying to compile PROJ in emscripten (inside an ubuntu docker
> image).
> > How do I produce proj.db?
> > Any recommended compile options or steps?
> >
> > I thought there were some workflows cross-compiling (that was the
> > reason to have the "hash" of the sql code, to not run the check when
> > cross compiling), but I do not find any example in the github actions.
> >
> > Thanks.
> >
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