Re: [PATCH] rt-tests: Makefile: Assume numa_parse_cpustring_all available

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On Thu, 21 Apr 2016 17:38:43 +0200 (CEST)
John Kacur <jkacur@xxxxxxxxxx> wrote:

> From 5e5a1cb500a26b63aff8a19a2669e224c5d6e87a Mon Sep 17 00:00:00 2001
> From: John Kacur <jkacur@xxxxxxxxxx>
> Date: Thu, 21 Apr 2016 17:29:51 +0200
> Subject: [PATCH] rt-tests: Makefile: Assume numa_parse_cpustring_all available
> 
> NUMA users should have long ago stepped up to libs that have
> numa_parse_cpustring_all(). Make this the default so that we can include
> isolated cpus in the affinity string.
> 
> If there are any NUMA users or distros left that have old libraries that
> don't have numa_parse_cpu_string_all(), and only numa_parse_cpu_string()
> they can compile like this
> 
> make HAVE_PARSE_CPUSTRING_ALL=0
> 
> Signed-off-by: John Kacur <jkacur@xxxxxxxxxx>

Reviewed-and-Tested-by: Luiz Capitulino <lcapitulino@xxxxxxxxxx>

> ---
>  Makefile | 13 +++++++------
>  1 file changed, 7 insertions(+), 6 deletions(-)
> 
> diff --git a/Makefile b/Makefile
> index 280fd3bec979..ff1d1b0554a3 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -57,16 +57,17 @@ ifneq ($(filter x86_64 i386 ia64 mips powerpc,$(machinetype)),)
>  NUMA 	:= 1
>  endif
>  
> -# The default is to assume that you only have numa_parse_cpustring
> -# If you are sure you have a version of libnuma with numa_parse_cpustring_all
> +# The default is to assume that you have numa_parse_cpustring_all
> +# If you have an older version of libnuma that only has numa_parse_cpustring
>  # then compile with
> -# make HAVE_PARSE_CPUSTRING_ALL=1
> +# make HAVE_PARSE_CPUSTRING_ALL=0
> +HAVE_PARSE_CPUSTRING_ALL?=1
>  ifeq ($(NUMA),1)
>  	CFLAGS += -DNUMA
>  	NUMA_LIBS = -lnuma
> -ifdef HAVE_PARSE_CPUSTRING_ALL
> -	CFLAGS += -DHAVE_PARSE_CPUSTRING_ALL
> -endif
> +	ifeq ($(HAVE_PARSE_CPUSTRING_ALL),1)
> +		CFLAGS += -DHAVE_PARSE_CPUSTRING_ALL
> +	endif
>  endif
>  
>  include src/arch/android/Makefile

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