Re: F31 System-Wide Change proposal: Enable Compiler Security hardening flags by default in G

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On Thu, 21 Mar 2019 at 11:37, Stephen John Smoogen <smooge@xxxxxxxxx> wrote:
[..]
> > Even gcc themselves "is not written with recent gcc in mind".
> >
> > $ grep '\[\-W' gcc.log| awk -F\[ '{print $2}'|awk -F\] '{print
> > $1}'|sort | uniq -c | sort -nr| head -n 20
> >     485 -Wmissing-profile
> >     106 -Wformat-security
> >      81 -Wmaybe-uninitialized
> >      44 -Wimplicit-fallthrough=
> >      24 -Wunused-function
> >      20 -Wpointer-sign
> >      20 -Wimplicit-function-declaration
> >      19 -Wstringop-truncation
> >       8 -Wformat-truncation=
> >       8 -Wcast-qual
> >       7 -Wcast-function-type
> >       4 -Wcpp
> >       4 -Wbuiltin-declaration-mismatch
> >       3 -Wparentheses
> >       2 -Wunused-value
> >       2 -Wunused-parameter
> >       2 -Wmissing-prototypes
> >       2 -Wmisleading-indentation
> >       2 -Wint-to-pointer-cast
> >       2 -Wdiscarded-qualifiers
> >
> > BTW: each Fedora package build should have as part of the build report
> > something like above.
> >
>
> Could you explain why it should? I am not sure what those flags
> actually mean and why it would tell me anything about a package build.
> If upstream decides that libX needs to be compiled with
> -Wmissing-prototypes but nothing else.. what is it to me?

That list is not in order of importance but how often some warning
happened, and I think that you are fully aware that on that list are
things far more important than missing prototype.

kloczek
-- 
Tomasz Kłoczko | LinkedIn: http://lnkd.in/FXPWxH
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