linux-kernel - Re: [PATCH] perf tools: Fix build error on read only source.

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Message-ID: <20100817181835.GA21083@ghostprotocols.net>
Date:	Tue, 17 Aug 2010 15:18:35 -0300
From:	Arnaldo Carvalho de Melo <acme@...radead.org>
To:	Kusanagi Kouichi <slash@...auone-net.jp>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>, Ingo Molnar <mingo@...e.hu>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf tools: Fix build error on read only source.

Em Tue, Aug 17, 2010 at 11:17:54AM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Tue, Aug 17, 2010 at 11:08:40PM +0900, Kusanagi Kouichi escreveu:
> > --- a/tools/perf/feature-tests.mak
> > +++ b/tools/perf/feature-tests.mak
> > @@ -113,7 +113,7 @@ endef
> >  # try-cc
> >  # Usage: option = $(call try-cc, source-to-build, cc-options)
> >  try-cc = $(shell sh -c						  \
> > -	'TMP="$(TMPOUT).$$$$";			 		  \
> > +	'TMP="$(OUTPUT)$(TMPOUT).$$$$";				  \
> >  	 echo "$(1)" |						  \
> >  	 $(CC) -x c - $(2) -o "$$TMP" > /dev/null 2>&1 && echo y; \
> >  	 rm -f "$$TMP"')
> 
> Much better! Will test and merge, thanks!

Still has issues:

[acme@...lia linux-2.6-tip]$ rm -rf ~/git/build/perf/
[acme@...lia linux-2.6-tip]$ make O=~/git/build/perf -s -j9 -C tools/perf install
PERF_VERSION = 2.6.36.rc1.2.g19bad
    * new build flags or prefix
[acme@...lia linux-2.6-tip]$ patch -p1 < Kouichi.patch 
patching file tools/perf/Makefile
patching file tools/perf/feature-tests.mak
[acme@...lia linux-2.6-tip]$ rm -rf ~/git/build/perf/
[acme@...lia linux-2.6-tip]$ make O=~/git/build/perf -s -j9 -C tools/perf install
Makefile:503: No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev
Makefile:534: *** No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static.  Stop.
[acme@...lia linux-2.6-tip]$

Can you please investigate?

Thanks,

- Arnaldo
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