[R-pkg-devel] gcc-san check warns for non-portable flags

[David Gohel]

I had the same this week.

Yes, you should answer these are false negative results.

KR,
David

De : R-package-devel <r-package-devel-bounces using r-project.org> de la part de Pepijn de Vries <pepijn.devries using outlook.com>
Date : vendredi, 10 janvier 2025 � 18:00
� : Ivan Krylov via R-package-devel <r-package-devel using r-project.org>
Objet : [R-pkg-devel] gcc-san check warns for non-portable flags
Dear fellow package developers,

There were multiple issues with a package I maintain: @CRAN: <https://cran.r-project.org/package=adfExplorer> @source: <https://github.com/pepijn-devries/adfExplorer/>. As far as I can tell all issues listed @CRAN were fixed in the latest version (available from GitHub and R-Universe). However, when submitting to CRAN, the special gcc san check complains about non-portable flags (see below).

I cannot reproduce this warning myself. As far as I can tell, I don't set these flags myself (neither in the configure script nor in makevars.in). I suspect that these flags are set by the machine that performs the checks. How do I pass this check? Or should I report it to CRAN as a false negative result?

Many thanks for your help.

Kind regards,

Pepijn

> Flavor: r-devel-windows-x86_64, r-devel-linux-x86_64-debian-special-clang-san
> Check: *, Result: OK
>
> Flavor: r-devel-linux-x86_64-debian-special-gcc-san
> Check: compilation flags used, Result: WARNING
>  Compilation used the following non-portable flag(s):
>     '-Wno-deprecated-declarations' '-Wno-ignored-attributes'
>     '-Wno-stringop-truncation'
>   including flag(s) suppressing warnings

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