Many (less easily automatically converted) old-style strings remain. Where there was any possible ambiguity about the exact version or variant intended, nothing was changed. IANAL, nor a search robot. Use `with stdenv.lib` wherever it makes sense.
This is done for the sake of Yosemite, which does not have gcc, and yet this change is also compatible with Linux.
See c556a6ea46.
c556a6ea46