I got it from Marty. Apparently the glib package on the Mozilla Build instructions page is A) far outdated & B) missing a lot of .h files needed to compile an executable. I've not contacted the person who just made the 3.5.6 build, but I may do so and ask him to send me a zip or WPI of his build environment so I can try my hand at 3.7.
Or, maybe I'll just beg & plead with him to build 3.7 out of holiday spirit
