Both generated from the same gyp files, yes. And by "reasonably large", I mean about 9.5MLOC, 30K source files excluding headers :) Edit: Important info here m

Both generated from the same gyp files, yes. And by "reasonably large", I mean about 9.5MLOC, 30K source files excluding headers :) Edit: Important info here might be that those times are for an OSX build. I haven't measured, but it seems builds on Linux are faster.