Re: ExtUtils::CBuilder: Apple have started to apply -Werror by default, breaking XS

‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐

On Monday, November 2nd, 2020 at 11:48 AM, David Cantrell <[email protected]> wrote:

> [CCed cpan-testers-discuss]
>
> On Sun, Nov 01, 2020 at 02:57:04PM +0000, Alberto Sim?es wrote:
>
> > Released a new version of EU::CB
> >
> > Lets wait for CPAN Testers and see if we have any relevant feedback.
> >
> > If everything looks fine, I will produce a proper patch including the Changes file as well.
>
> CPAN testers will tell you whether EU::CB passes its own tests or not,
>
> but the error this fixes isn't amenable to CPAN-testers finding it and
>
> correctly reporting it fixed.
>
> The problem is that without this some XS modules that use EU::CB will
>
> fail to build. And then the testers will go "oh, it didn't build, I
>
> won't report anything at all". That's because most build failures are
>
> something like the testing machine not having some C library installed
>
> that the XS module depends on and so shouldn't generate a failure
>
> report.
>
> To verify that this patched release is correct people need to, manually,
>
> do this on Mac OS Catalina with the latest XCode:
>
> -   with the previous version of EU::CB installed, find something XSy that
>
>     uses it, and which fails to build because of
>
>     -Werror=implicit-function-declaration
> -   then install this new EU::CB and make sure that the build now succeeds.
>

Unfortunately no longer a mac user, so not able to test it myself....