Re: FYI: AFL++ now builds a GCC plugin

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* Richard W. M. Jones:

>   https://koji.fedoraproject.org/koji/taskinfo?taskID=113035034
>   https://bugzilla.redhat.com/show_bug.cgi?id=2262539
>
> The new AFL++ (American Fuzzy Lop, a fuzzing tool) in Rawhide appears
> to be building a GCC plugin, contained in one or all of these newly
> added files:
>
>   %global afl_helper_path %{_libdir}/afl
>   %{_bindir}/afl-gcc-fast
>   %{_bindir}/afl-g++-fast
>   %{afl_helper_path}/afl-gcc-cmplog-pass.so
>   %{afl_helper_path}/afl-gcc-cmptrs-pass.so
>   %{afl_helper_path}/afl-gcc-pass.so
>   %{afl_helper_path}/afl-gcc-rt.o
>   %{afl_helper_path}/injection-pass.so
>
> I'm going to guess this will introduce a dependency on the exact
> version of GCC (major only? or major.minor? not sure).  Just like
> annobin.  Which might require that this package is rebuilt when GCC is
> rebuilt (only major? or all rebuilds? again, don't know).

It depends on what the plugin does.  Not all plugins are as sensitive to
e.g. GCC options changes.  A precise NVR dependency might still make
sense.  It's easier to pull off here because there's no cyclic
dependency issue.

Thanks,
Florian
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