On Jul 10, 2013, at 10:42 AM, Andi Kleen wrote: > Andrew Haley <a...@redhat.com> writes: > >> On 07/09/2013 12:59 PM, Andreas Arnez wrote: >>> With this situation at hand, I wonder whether it's a good idea to keep >>> maybe-uninitialized included in -Wall. Projects which have been using >>> "-Wall -Werror" successfully for many years are now forced to >>> investigate non-existing bugs in their code. >> >> But maybe-uninitialized is very useful, and it's not really inappropriate >> for -Wall. I would question the appropriateness of using -Wall -Werror >> in production code. > > Unfortunately a number of projects do that. I regularly have to remove > -Werror from shipped makefiles, and it's primarily due to this warning. > > Maybe not erroring on the maybe by default would be a good idea?
I would rather see such warnings fixed. They exist for a good reason. (If there are false warnings, those are compiler bugs to fix. But in most cases I have seen, the warnings are legit.) Changing -Werror to mean "error out on *most* warnings" would be a very serious mistake. paul