[R-SIG-Mac] sf and PROJ problem?

[Jeroen Ooms]

On Wed, Jan 14, 2026 at 2:00 AM Simon Urbanek <simon.urbanek using r-project.org>
wrote:

> Roy,
>
> I think you may have misidentified the package, because sf *does* include
> proj.db:
>
> $ tar fvtz big-sur-arm64/bin/4.5/sf_1.0-24.tgz | grep proj.db
> -rw-rw-r--  0 root   admin  9261056 13 Jan 15:13 sf/proj/proj.db
>
> (that's why reproducible examples are so crucial!) because the flags Brian
> mentioned are used for sf:
>
> https://svn.r-project.org/R-dev-web/trunk/QA/Simon/packages/flags.inst/sf
>
> However, you are onto something, because it looks like due to a bug in SVN
> where softlinks are incorrectly resolved the other packages in flags.inst
> that were linking to the same (soft-linked) sf flags could not use them:
>

Instead of special casing these builds, you can set environment
variables PROJ_GDAL_DATA_COPY and PROJ_LIB on your server to the same
effect.

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