Re: [PATCH] compiler-gcc.h: Disable __retain on gcc-11

[Andreas Schwab]

On Sep 24 2024, Geert Uytterhoeven wrote:

> All my gcc-11 compilers (Ubuntu 11.4.0-1ubuntu1~22.04) claim to support
> the __retain__ attribute, but only riscv64-linux-gnu-gcc-11 and
> x86_64-linux-gnu-gcc-11 (not x86_64-linux-gnux32-gcc-11!) actually do.
> The arm-linux-gnueabi-gcc-11.5.0 compiler from kernel.org crosstool
> fails in the same way:
>
>     error: ‘retain’ attribute ignored [-Werror=attributes]
>
> All my gcc-12 compilers seem to support the attribute.

That ultimately depends on binutils support for SHF_GNU_RETAIN (2.36+).

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