Erica Fischer

The Makefile is already more complicated than I want it to be, actually. I'd like to get rid of the pkg-config stuff and just say -lpng if I could get...

No, I would in general like to depend only on facilities that exist on any reasonably modern Unix system.

As far as I know, everything I am doing is platform-neutral for the platforms I am targeting.

Datamaps is basically unmaintained at this point, and all the recent development is on [Tippecanoe](https://github.com/mapbox/tippecanoe). Datamaps only has one metadata field per feature, and osm-animate uses it for the time...

@vespakoen I think you may just need a "make clean" before you make again here. But honestly you will be better off using [tippecanoe](https://github.com/mapbox/tippecanoe) instead of datamaps to make your...

Checking for errors in mkdir() would totally make sense and I ought to do it. I can't imagine what useful error checking could be done for printf() there, though.

No, not really.

Tippecanoe should export compressed PBFs to directories unless you use `--no-tile-compression`, unless I got something wrong. (I'll check and make sure.) But thanks for the PR to manually add compression!...

Sorry, the only PDP-1 software that I know of is the bitsavers collection, and I don't think there is any TECO there.

Sorry for the long delay on spec revisions @sfkeller. I think https://github.com/mapbox/mbtiles-spec/pull/47 is ready to merge to describe the current reality. Please let me know if you have any significant...