On Mon, 11 Jun 2012, Manuel López-Ibáñez wrote: > http://gcc.gnu.org/wiki/FAQ#stage1warnings > > I really don't understand why first stage or --disable-bootstrap is > not using -w. (Probably, like most things in GCC, because nobody has > bothered to implement it.)
If you are building a cross compiler (so not bootstrapped), having the warnings, even if noisy because the compiler used to build it isn't exactly the same version as the compiler being built, is a lot better than hiding them all. And if a file fails to build in stage 1 of a bootstrap, having the warnings, again even if noisy, helps identify the problem more than if only actual error messages are present (more generally, warnings from a changed file in stage 1 of a bootstrap give you an early indication of possible problems with a patch without needing to wait for a later stage for a more precise set). -- Joseph S. Myers jos...@codesourcery.com
