[bug#65126] [PATCH] gnu: exiv2: Get rid of reference to GCC.

[Ludovic Courtès]

Hi!

iyzsong@envs.net skribis:

> From: 宋文武 <iyzsong@member.fsf.org>
>
> This fixes <https://issues.guix.gnu.org/57677>.

s/This fixes/Fixes/, for consistency.

> +         (add-after 'unpack 'patch-gcc-reference
> +           (lambda _
> +             ;; _GLIBCXX_ASSERTIONS brings reference to GCC.
> +             (substitute* "cmake/compilerFlags.cmake"
> +               (("add_compile_options[(]-Wp,-D_GLIBCXX_ASSERTIONS[)]")
> +                ""))))

Well done!  According to
<https://gcc.gnu.org/onlinedocs/libstdc++/manual/using_macros.html>,
‘_GLIBCXX_ASSERTIONS’ enables various run-time checks; I guess disabling
it is acceptable.

So… LGTM!

Thanks,
Ludo’.