linux-kernel - Re: [PATCH] perf tools: Fix Makefile to clean auto-generated bison/flex files properly

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Date:	Wed, 2 May 2012 16:12:05 -0300
From:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
To:	Joonsoo Kim <js1304@...il.com>
Cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [PATCH] perf tools: Fix Makefile to clean auto-generated
 bison/flex files properly

Em Thu, May 03, 2012 at 02:08:27AM -0700, Joonsoo Kim escreveu:
> The commit 65f3e56e0c81 ("perf tools: Remove auto-generated bison/flex
> files") removed those files from git and modified Makefile to clean
> auto-generated bison/flex files. But, in Makefile, regular expression
> "*-{bison,flex}*" doesn't work. Fix it.
> 
> Signed-off-by: Joonsoo Kim <js1304@...il.com>
> 
> diff --git a/tools/perf/Makefile b/tools/perf/Makefile
> index 9bf3fc7..295c477 100644
> --- a/tools/perf/Makefile
> +++ b/tools/perf/Makefile
> @@ -987,7 +987,7 @@ clean:
>  	$(RM) *.spec *.pyc *.pyo */*.pyc */*.pyo $(OUTPUT)common-cmds.h TAGS tags cscope*
>  	$(MAKE) -C Documentation/ clean
>  	$(RM) $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)PERF-CFLAGS
> -	$(RM) $(OUTPUT)util/*-{bison,flex}*
> +	$(RM) $(OUTPUT)util/*-bison* $(OUTPUT)util/*-flex*
>  	$(python-clean)

Are you sure?

[acme@...dy perf]$ make -j8 > /dev/null
PERF_VERSION = 3.4.rc2.45.g89290d
    * new build flags or prefix
[acme@...dy perf]$ ls -la util/*bison*
-rw-rw-r--. 1 acme acme  51448 May  2 16:10 util/parse-events-bison.c
-rw-rw-r--. 1 acme acme   2553 May  2 16:10 util/parse-events-bison.h
-rw-rw-r--. 1 acme acme 179488 May  2 16:10 util/parse-events-bison.o
-rw-rw-r--. 1 acme acme  12484 May  2 16:10 util/parse-events-bison.output
-rw-rw-r--. 1 acme acme  43849 May  2 16:10 util/pmu-bison.c
-rw-rw-r--. 1 acme acme   2313 May  2 16:10 util/pmu-bison.h
-rw-rw-r--. 1 acme acme  66064 May  2 16:10 util/pmu-bison.o
-rw-rw-r--. 1 acme acme   3416 May  2 16:10 util/pmu-bison.output
[acme@...dy perf]$ make clean > /dev/null
[acme@...dy perf]$ ls -la util/*bison*
ls: cannot access util/*bison*: No such file or directory
[acme@...dy perf]$

[acme@...dy perf]$ grep RM.*bison Makefile
	$(RM) $(OUTPUT)util/*-{bison,flex}*
[acme@...dy perf]$

[acme@...dy perf]$ make --version
GNU Make 3.81
Copyright (C) 2006  Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.

This program built for x86_64-redhat-linux-gnu
[acme@...dy perf]$
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