Igor Raits <ignatenkobr...@fedoraproject.org> writes: > On Fri, 2020-06-05 at 23:11 -0600, Jeff Law wrote: >> On Fri, 2020-06-05 at 10:14 +0100, Jonathan Wakely wrote: >>> On 04/06/20 16:30 -0400, Ben Cotton wrote: >>> >>>> https://fedoraproject.org/wiki/Changes/CompilerPolicy >>>> >>>> In some ways this means there is no "default" compiler for Fedora. >>>> The default is whatever the upstream project supports/recommends. >>>> However, there are probably many packages with upstreams that are >>>> ambivalent about their compiler choice. For those packages I would >>>> recommend we keep the status quo at the current time. For a >>>> package with a dead upstream, the Fedora packager should be able to >>>> select the compiler they want to use for the package. >>> >>> Ideally we'd have CI building (nearly) everything with *both* GCC >>> and Clang, and finding and fixing problems in packages and in both >>> compilers. But that's probably not realistic (yet?). >> >> You may remember me advocating for this in our meeting in Montreal :- >> ) So, yea, I'd be totally on board with something like this. I think >> Tillman was also interested and even floated the idea of finding >> additional Fedora builder resources to facilitate this kind of >> scheme. >> >> The big problem then becomes getting packagers to address the >> diagnostics. I've been disappointed at how many packages are >> ignoring diagnostics (particularly those with security implications) >> and I'm actively looking at schemes to improve this situation :-) > > Just make them error by default and people will have to deal with it > :)
(I know you weren't seriously proposing that we do this, but it's an idea I've seen seriously proposed elsewhere and have experienced.) Please do not do this for non-security diagnostics. Supporting this across a matrix of different compiler versions (and compilers) is truly awful - especially managing semantics changes between versions, and pragma stew, and behavior of compilers when asked to ignore flags they don't understand... Thanks, --Robbie
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