On Tue, Oct 03, 2017 at 08:34:38PM -0400, Greg Troxel wrote: > I actually kind of like this; perhaps even > > #define WE_ACKNOWLEDGE_THAT_THE_C++_API_IS_UNSTABLE See how you like it: https://git.osgeo.org/gogs/geos/geos/pulls/14 It's still just a warning, but could be turned into an ERROR if we prefer... --strk;