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Re: [PATCH] <sys/cdefs.h>: Add __glibc_has_include macro
- From: Florian Weimer <fweimer at redhat dot com>
- To: libc-alpha at sourceware dot org
- Date: Wed, 12 Jun 2019 10:49:28 +0200
- Subject: Re: [PATCH] <sys/cdefs.h>: Add __glibc_has_include macro
- References: <87sgsouozv.fsf@oldenburg2.str.redhat.com>
* Florian Weimer:
> 2019-06-05 Florian Weimer <fweimer@redhat.com>
>
> * misc/sys/cdefs.h (__glibc_has_include): Define.
>
> diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h
> index b1695376dc..638872b87b 100644
> --- a/misc/sys/cdefs.h
> +++ b/misc/sys/cdefs.h
> @@ -412,6 +412,12 @@
> # define __glibc_has_attribute(attr) 0
> #endif
>
> +#ifdef __has_include
> +# define __glibc_has_include(header) __has_include (header)
> +#else
> +# define __glibc_has_include(header) 0
> +#endif
> +
> #if (!defined _Noreturn \
> && (defined __STDC_VERSION__ ? __STDC_VERSION__ : 0) < 201112 \
> && !__GNUC_PREREQ (4,7))
I'm going to push this shortly, as a dependency of the <sys/stat.h>
patch.
Thanks,
Florian