[PATCH] ARM: fix perf build with uclibc toolchains

[Will Deacon]

Hi Florian,

On Tue, Aug 09, 2011 at 12:24:17PM +0100, Florian Fainelli wrote:
> libio.h is not provided by uClibc, in order to be able to test the
> definition of __UCLIBC__ we need to include stdlib.h, which also
> includes stddef.h, providing the definition of 'NULL'.
> 
> Signed-off-by: Florian Fainelli <florian at openwrt.org>
> ---
> diff --git a/tools/perf/arch/arm/util/dwarf-regs.c b/tools/perf/arch/arm/util/dwarf-regs.c
> index fff6450..e8d5c55 100644
> --- a/tools/perf/arch/arm/util/dwarf-regs.c
> +++ b/tools/perf/arch/arm/util/dwarf-regs.c
> @@ -8,7 +8,10 @@
>   * published by the Free Software Foundation.
>   */
>  
> +#include <stdlib.h>
> +#ifndef __UCLIBC__
>  #include <libio.h>
> +#endif
>  #include <dwarf-regs.h>
>  
>  struct pt_regs_dwarfnum {

Nice to see somebody trying to get this going with uclinux! I'll give this a
quick compile-check on my boards and then I'll include it in my perf-fixes
branch for 3.1.

Cheers,

Will