From: Arnaldo Carvalho de Melo <acme@redhat.com>
To: Kusanagi Kouichi <slash@ac.auone-net.jp>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
Paul Mackerras <paulus@samba.org>, Ingo Molnar <mingo@elte.hu>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] perf tools: Fix build error on read only source.
Date: Mon, 16 Aug 2010 12:24:10 -0300 [thread overview]
Message-ID: <20100816152410.GA13095@ghostprotocols.net> (raw)
In-Reply-To: <20100816124017.BE24D6AC03A@msa102.auone-net.jp>
Em Mon, Aug 16, 2010 at 09:40:13PM +0900, Kusanagi Kouichi escreveu:
...
> diff --git a/tools/perf/feature-tests.mak b/tools/perf/feature-tests.mak
> @@ -113,7 +113,5 @@ endef
> # try-cc
> # Usage: option = $(call try-cc, source-to-build, cc-options)
> try-cc = $(shell sh -c \
> - 'TMP="$(TMPOUT).$$$$"; \
> - echo "$(1)" | \
> - $(CC) -x c - $(2) -o "$$TMP" > /dev/null 2>&1 && echo y; \
> - rm -f "$$TMP"')
> + 'echo "$(1)" | \
> + $(CC) -x c - $(2) -o /dev/null > /dev/null 2>&1 && echo y')
Please read:
f9af3a4c1f59753bdd5a49e3a34263005f96972e
8b2c551f9635bf1c5c2d38de300137998915478f
1703f2c321a8a531c393e137a82602e16c6061cb
To see why we can't use '-o /dev/null' like that.
- Arnaldo
next prev parent reply other threads:[~2010-08-16 15:24 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-16 12:40 [PATCH] perf tools: Fix build error on read only source Kusanagi Kouichi
2010-08-16 15:24 ` Arnaldo Carvalho de Melo [this message]
2010-08-17 12:57 ` Kusanagi Kouichi
2010-08-17 14:08 ` Kusanagi Kouichi
2010-08-17 14:17 ` Arnaldo Carvalho de Melo
2010-08-19 11:22 ` [tip:perf/urgent] " tip-bot for Kusanagi Kouichi
-- strict thread matches above, loose matches on Subject: below --
2010-08-17 18:18 [PATCH] " Arnaldo Carvalho de Melo
2010-08-18 12:37 ` Kusanagi Kouichi
2010-08-18 12:40 ` Peter Zijlstra
2010-08-18 14:16 ` Arnaldo Carvalho de Melo
2010-08-18 14:27 ` Peter Zijlstra
2010-08-18 16:56 ` Arnaldo Carvalho de Melo
2010-08-18 17:01 ` Arnaldo Carvalho de Melo
2010-08-18 19:09 ` Arnaldo Carvalho de Melo
2010-08-19 9:02 ` Bernd Petrovitsch
2010-08-18 14:14 ` Arnaldo Carvalho de Melo
2010-08-18 15:25 ` Bernd Petrovitsch
2010-08-18 17:19 ` Arnaldo Carvalho de Melo
2010-08-19 10:31 ` Bernd Petrovitsch
2010-08-19 14:13 ` Arnaldo Carvalho de Melo
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