I’ve built and used boost before and had good results. I’m going to add boost to my home C++ tools mix and I suspect I may find a workable json parser/generator in there. Grabbing the pieces now, but I don’t expect that I’ll have a usable build for a day or two given available cycles/time.
Built b2 and now I’ve bootstrapped the zip archive of boost. We’ll see what is there in the morning after the .\b2 run finished. I think I may wind up missing some interesting bits that require optional extras, but I should have a decent subset and can likely add in the missing pieces as needed.