[PATCH] Fix up definitions for older G++

[Dmitry V. Levin]

On Sat, Sep 08, 2012 at 01:25:01PM +0200, Marek Polacek wrote:
> On Thu, Sep 06, 2012 at 09:52:22AM +0200, Andreas Jaeger wrote:
> > I guess that's the best alternative for now,
> 
> Like this?  It's unfortunately more hairy than it should be :(.
> Tested x86_64 and tried with gcc 4.[123]/trunk.
> 
> 2012-09-08  Marek Polacek  <polacek@redhat.com>
> 
> 	[BZ #14530]
> 	[BZ #13741]
> 	* misc/sys/cdefs.h: Define __extern_inline and __extern_always_inline
> 	for C++ and GCC <4.3 as well as for non GCC compilers.
> 
> --- libc/misc/sys/cdefs.h.mp2	2012-08-31 11:52:24.778971804 +0200
> +++ libc/misc/sys/cdefs.h	2012-09-08 12:00:10.322502382 +0200
[...]
> +#elif defined __GNUC__ /* C++ and GCC <4.3.  */
> +# define __extern_inline extern __inline
> +# define __extern_always_inline \
> +  extern __always_inline

This would define __USE_EXTERN_INLINES for 2.6 <= g++ < 4.3 and
consequently enable more code in various glibc headers for these
compilers.  It looks OK, though I haven't checked all code paths.


-- 
ldv
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