Created attachment 406438 [details]
Build fails with
Could NOT find GDAL (missing: GDAL_LIBRARY GDAL_INCLUDE_DIR)
Adding gdal use flag fixes it.
Hmm, I spoke to soon, it still fails. Now it's not finding mysql. Please see attached build.log.
Created attachment 406440 [details]
build.log with USE=gdal
Also note that USE="all-modules -mpi" results in compilation failure, because MPI deps are only included with "mpi" and "all-modules" will try to build the MPI modules...