On Wed, Jan 11, 2023 at 06:44:22PM -0500, Siddhesh Poyarekar wrote:
> On Wed, Jan 11, 2023 at 4:43 PM Siddhesh Poyarekar <siddh...@redhat.com>
> wrote:
> > On Wed, Jan 11, 2023 at 4:37 PM Siddhesh Poyarekar <siddh...@redhat.com>
> > wrote:
> > >
> > > On Wed, Jan 11, 2023 at 3:05 PM Michel Alexandre Salim
> > > <sali...@fedoraproject.org> wrote:
> > > > Just `mock -r fedora-rawhide-x86_64 ./*.src.rpm`
> > > >
> > > > I have these additional knobs in ~/.config/mock.cfg:
> > > >
> > > >
> > > > config_opts['plugin_conf']['ccache_enable'] = True
> > > > config_opts['plugin_conf']['ccache_opts']['max_cache_size'] = '10G'
> > > >
> > > > # False: build from Koji, e.g. to grab packages just put into Rawhide
> > > > # config_opts['mirrored'] = False
> > > >
> > >
> > > OK I see the warning now. Let me dig deeper.
> >
> > So if you want the quick answer to unblock you, it is ccache; I
> > disabled it and the warning went away. That should help you get your
> > -Werror going. I'll look closer at why that's happening.
>
> I've filed a ccache bug. It looks like ccache is moving the compiler
> arguments around, causing one of the -U_FORTIFY_SOURCE to the end.
>
> https://bugzilla.redhat.com/show_bug.cgi?id=2160275
Why we do have those -U_FORTIFY_SOURCE and -Wp,-U_FORTIFY_SOURCE options
in there at all? Previously we just had -Wp,-D_FORTIFY_SOURCE=2
and I think just changing it to -Wp,-D_FORTIFY_SOURCE=3 is more than enough.
If you think some programs are adding -D_FORTIFY_SOURCE=2 to their *FLAGS
make vars etc., then perhaps -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3
But having both -U_FORTIFY_SOURCE and -Wp,-U_FORTIFY_SOURCE seems completely
pointless to me.
Jakub
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