<sys/cdefs.h>: Add __glibc_has_include macro

Message ID 87sgsouozv.fsf@oldenburg2.str.redhat.com
State New
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  • <sys/cdefs.h>: Add __glibc_has_include macro
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Commit Message

Florian Weimer June 5, 2019, 1:43 p.m.
2019-06-05  Florian Weimer  <fweimer@redhat.com>

	* misc/sys/cdefs.h (__glibc_has_include): Define.

Comments

Florian Weimer June 12, 2019, 8:49 a.m. | #1
* 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

Patch

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))