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From: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
To: Al Cooper <alcooperx@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
	mingo@infradead.org, Jiri Olsa <jolsa@redhat.com>,
	Namhyung Kim <namhyung@gmail.com>,
	David Ahern <dsahern@gmail.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Build failure when python-devel not installed
Date: Tue, 9 Jul 2013 10:19:26 -0300	[thread overview]
Message-ID: <20130709131926.GA3260@ghostprotocols.net> (raw)

Hi,

	While trying to build perf on a freshly installed Fedora 18
machine I couldn't do it if python-devel isn't installed.

	The expected behaviour is for a warning to be emitted and the
build to continue.

	I bisected it down to:

commit 31160d7feab786c991780d7f0ce2755a469e0e5e
"perf tools: Fix GNU make v3.80 compatibility issue"
    
	If I revert this changeset, everything works as expected, I get:

config/Makefile:319: The path '/usr/bin/python-config' is not executable.
config/Makefile:323: No python-config tool was found
config/Makefile:323: Python support will not be built

and I get a perf binary with no python support.

	When python-devel is not installed and I have the above cset, I
get:

    CHK gtk2
    CHK -DHAVE_GTK_INFO_BAR
    CHK perl
config/Makefile:319: The path '/usr/bin/python-config' is not executable.
config/Makefile:319: *** Please set 'PYTHON_CONFIG' appropriately.  Stop.
make: Leaving directory `/home/acme/git/linux/tools/perf'
[acme@sandy linux]$ 

	Can you take a look at this?

	Jiri, this brings another situation to be tested on the 'cd
tools/perf ; make -f tools/make' suite: removing/installing packages
needed to build with some feature to check that it just warns the user
that such feature won't be included instead of stopping the build :-)

- Arnaldo

             reply	other threads:[~2013-07-09 13:27 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-09 13:19 Arnaldo Carvalho de Melo [this message]
2013-07-09 14:19 ` Build failure when python-devel not installed David Ahern

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