linux-kernel - Re: [PATCH 04/27] perf tools: Move programs check into config/Makefile

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Date:	Tue, 02 Apr 2013 12:59:12 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Jiri Olsa <jolsa@...hat.com>
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>
Subject: Re: [PATCH 04/27] perf tools: Move programs check into config/Makefile

On Tue, 2 Apr 2013 00:27:03 +0200, Jiri Olsa wrote:
> On Tue, Apr 02, 2013 at 07:09:50AM +0900, Namhyung Kim wrote:
>> 2013-04-01 (월), 21:18 +0200, Jiri Olsa:
>> > Moving programs check into config/Makefile.
>> 
>> [SNIP]
>> 
>> > +RM      = rm -f
>> > +MKDIR   = mkdir
>> > +FIND    = find
>> > +INSTALL = install
>> > +FLEX    = flex
>> > +BISON   = bison
>> > +STRIP  ?= strip
>> 
>> Why does STRIP use "?=" form?
>> 
>> I know you just moved the line, but AFAICS it can be converted to a
>> normal variable assignment, right?
>
> not sure, I guess someone found usefull to use custom strip 

AFAIK one can override those variables on a cmdline even if it's set via
normal variable assignment.

Thanks,
Namhyung
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