I used to swear by scons but it really collapses under its own weight when projects become larger. At my work we used it for a fairly large source tree and no-

I used to swear by scons but it really collapses under its own weight when projects become larger. At my work we used it for a fairly large source tree and no-change incremental builds would take a good minute for scons to figure out there's nothing to do. These days we use something based on google blueprint which generates ninja build files.