Re: [PATCH 2/2][MIPS][RFC] Emit .note.GNU-stack for hard-float linux targets.

[Maciej W. Rozycki]

On Mon, 5 Aug 2019, Dragan Mladjenovic wrote:

> diff --git a/gcc/configure.ac b/gcc/configure.ac
> index c620dd2..ab080c8 100644
> --- a/gcc/configure.ac
> +++ b/gcc/configure.ac
> @@ -6143,6 +6143,18 @@ if test x$gcc_cv_libc_provides_hwcap_in_tcb = xyes; 
> then
>           [Define if your target C Library provides the AT_HWCAP value in the 
> TCB])
>  fi
>  
> +# Check if the target LIBC handles PT_GNU_STACK.
> +gcc_cv_libc_gnustack=unknown
> +case "$target" in
> +  mips*-*-linux*)
> +    GCC_GLIBC_VERSION_GTE_IFELSE([2], [31], [gcc_cv_libc_gnustack=yes], )
> +    ;;
> +esac

 It looks to me like this should be using AC_CACHE_VAL.

  Maciej