Even Rouault

> Seems like we should eliminate the spinlock support with this issue. Is that OK? My memories have faded, but the spinlock helped a bit in some scenarios where you...

> What is the case for defaulting to `GDAL_DISABLE_READDIR_ON_OPEN=FALSE` for remote VSI sources? This setting is fundamentally a GDAL core mechanism, implemented in the GDALOpenInfo class. Its general default value...

I agree the computing environment has shifted a bit in the last 20 years :-) and the current situation is not ideal. > I think the default should be `GDAL_DISABLE_READDIR_ON_OPEN=EMPTY_DIR`...

> Does this affect scanning a directory within an archive? (vsizip,vsitar, etc) yes, it does. It controls whether directory listing is done. For /vsizip/, directory listing should be relatively fast...

As documented in https://gdal.org/drivers/vector/svg.html : "Currently, it will only read SVG files that are the output from Cloudmade Vector Stream Server"

> Does Cloudmade Vector Stream Server even exist any more? apparently not : https://qgis-user.osgeo.narkive.com/p6nWarcj/add-svg-as-vector-layer "It looks like this product is "Cloudmade Vector Stream Server", which appears to be a dead...

> is that a new requirement? no, it's not new. As far as I can see, it exists since day 1 (71ab469144a3666489283d3362e05a21e9470991)

> However GDAL's CMake system assumes that the variable contains only one value (path), when looking for version strings @dg0yt Any opinion on that? It seems to me that the...

@jmckenna can you list the modules/dependencies for which this would be needed at least for your use case? @dg0yt above propose trick looks very reasonable

We're certainly open to contributions from willing contributors to add support for that. Some inspiration could certainly be taken from ogr/ogrpgeogeometry.cpp which deals with geometries from (the old) Personal Geodatabase...