[PATCH 21/59] Use $(config-cflags-wno-ignored-attributes) on some files

[Sam James]

Adhemerval Zanella <adhemerval.zanella@linaro.org> writes:

> clang emits an warning when a double alias redirection is used, to warn
> the the original symbol will be used even when weak definition is
> overridden.  Howerver, this is a common pattern for weak_alias, where
> multiple alias are set to same symbol.
> ---


I worry a bit about this masking other issues, but
-Wno-ignored-attributes doesn't seem to take an argument like
-Wno-attributes=XYZ does?

We already do it in other places though.

So, OK, but give time to see if there's a better idea.

Reviewed-by: Sam James <sam@gentoo.org>

>  math/Makefile   | 14 ++++++++++++++
>  string/Makefile |  2 ++
>  2 files changed, 16 insertions(+)
>
> diff --git a/math/Makefile b/math/Makefile
> index 57f1e4af28..66df19f845 100644
> --- a/math/Makefile
> +++ b/math/Makefile
> @@ -1752,6 +1752,20 @@ CFLAGS-s_y0f.c += -fno-builtin-y0f32
>  CFLAGS-s_y1f.c += -fno-builtin-y1f32
>  CFLAGS-s_ynf.c += -fno-builtin-ynf32
>  
> +CFLAGS-fclrexcpt.c += $(config-cflags-wno-ignored-attributes)
> +CFLAGS-ftestexcept.c += $(config-cflags-wno-ignored-attributes)
> +CFLAGS-s_fabsf128.c += $(config-cflags-wno-ignored-attributes)
> +CFLAGS-s_sincos.c += $(config-cflags-wno-ignored-attributes)
> +CFLAGS-w_exp10_compat.c += $(config-cflags-wno-ignored-attributes)
> +CFLAGS-fraiseexcpt.c += $(config-cflags-wno-ignored-attributes)
> +CFLAGS-fegetround.c += $(config-cflags-wno-ignored-attributes)
> +CFLAGS-fesetround.c += $(config-cflags-wno-ignored-attributes)
> +CFLAGS-fegetenv.c += $(config-cflags-wno-ignored-attributes)
> +CFLAGS-fesetenv.c += $(config-cflags-wno-ignored-attributes)
> +CFLAGS-feholdexcpt.c += $(config-cflags-wno-ignored-attributes)
> +CFLAGS-s_exp10m1f.c += $(config-cflags-wno-ignored-attributes)
> +CFLAGS-s_exp2m1f.c += $(config-cflags-wno-ignored-attributes)
> +
>  # These files quiet sNaNs in a way that is optimized away without
>  # -fsignaling-nans.
>  CFLAGS-s_modf.c += $(config-cflags-signaling-nans)
> diff --git a/string/Makefile b/string/Makefile
> index d842ae0457..2aca9b2e72 100644
> --- a/string/Makefile
> +++ b/string/Makefile
> @@ -293,6 +293,8 @@ CFLAGS-memchr.c += $(config-cflags-wno-ignored-attributes)
>  CFLAGS-mempcpy.c += $(config-cflags-wno-ignored-attributes)
>  CFLAGS-stpcpy.c += $(config-cflags-wno-ignored-attributes)
>  CFLAGS-strnlen.c += $(config-cflags-wno-ignored-attributes)
> +CFLAGS-ffsll.c += $(config-cflags-wno-ignored-attributes)
> +CFLAGS-strlen.c += $(config-cflags-wno-ignored-attributes)
>  
>  ifeq ($(run-built-tests),yes)
>  $(objpfx)tst-svc-cmp.out: tst-svc.expect $(objpfx)tst-svc.out