linux-kernel - Re: [PATCH 03/26] perf tools: Move arch check into config/Makefile

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Date:	Fri, 26 Apr 2013 13:37:09 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...e.hu>, Paul Mackerras <paulus@...ba.org>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Borislav Petkov <bp@...en8.de>,
	Stephane Eranian <eranian@...gle.com>,
	Sam Ravnborg <sam@...nborg.org>,
	David Ahern <dsahern@...il.com>
Subject: Re: [PATCH 03/26] perf tools: Move arch check into config/Makefile

On Thu, Apr 25, 2013 at 06:15:52PM +0900, Namhyung Kim wrote:
> On Wed, 24 Apr 2013 11:37:30 +0200, Jiri Olsa wrote:
> > Moving arch check into config/Makefile.
> >
> [SNIP]
> > +# include config/Makefile by default and rule out
> > +# non-config cases
> > +config := 1
> > +
> > +# standalone clean
> > +ifeq ($(MAKECMDGOALS),clean)
> > +  config := 0
> >  endif
> > -ifeq ($(ARCH),x86_64)
> > -	override ARCH := x86
> > -	IS_X86_64 := 0
> > -	ifeq (, $(findstring m32,$(EXTRA_CFLAGS)))
> > -		IS_X86_64 := $(shell echo __x86_64__ | ${CC} -E -x c - | tail -n 1)
> > -	endif
> > -	ifeq (${IS_X86_64}, 1)
> > -		RAW_ARCH := x86_64
> > -		ARCH_CFLAGS := -DARCH_X86_64
> > -		ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
> > -	endif
> > -	NO_PERF_REGS := 0
> > -	LIBUNWIND_LIBS = -lunwind -lunwind-x86_64
> > +
> > +# tags cscope
> > +ifneq ($(filter tags cscope,$(MAKECMDGOALS)),)
> > +  config := 0
> > +endif
> 
> Good idea!
> 
> How about consolidating them like:
> 
>   NON_CONFIG_TARGETS := clean TAGS tags cscope help
>   
>   ifeq ($(filter-out $(NON_CONFIG_TARGETS),$(MAKECMDGOALS)),)
>     config := 0
>   endif

nice, I'll do that

thanks,
jirka
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