[PATCH 7/7] libio: Disable stack protector for tst-fopen-compat with clang

[H.J. Lu]

On Wed, Jan 1, 2025 at 2:27 AM Adhemerval Zanella
<adhemerval.zanella@linaro.org> wrote:
>
> For aarch64, even with -fno-pie clang 18.1.3 seems to generate
> non valid relocations:

Please open a Clang issue and add a reference to it.

>
> tst-fopen-compat.o(.text+0xc): unresolvable R_AARCH64_ADR_PREL_PG_HI21 relocation against symbol `__stack_chk_guard@@GLIBC_2.17'
>
> Disable stack protection in this case.
> ---
>  libio/Makefile | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/libio/Makefile b/libio/Makefile
> index 3b5adff74d..98f626a4c8 100644
> --- a/libio/Makefile
> +++ b/libio/Makefile
> @@ -313,6 +313,9 @@ tst-fopen-compat-ARGS = tst-fopen-compat.c
>  # Disable PIE to trigger copy relocation.
>  CFLAGS-tst-fopen-compat.c += -fno-pie
>  tst-fopen-compat-no-pie = yes
> +ifeq ($(have-test-clang),yes)
> +CFLAGS-tst-fopen-compat.c += $(no-stack-protector)
> +endif
>  endif
>
>  shared-only-routines = oldiofopen oldiofdopen oldiofclose oldfileops   \
> --
> 2.43.0
>


-- 
H.J.