linux-kernel - Re: [PATCH regression 4.0 -> 4.1] tools perf: Fix build breakage if prefix= is specified

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Date:	Thu, 18 Jun 2015 16:07:56 -0600
From:	David Ahern <dsahern@...il.com>
To:	Lukas Wunner <lukas@...ner.de>
CC:	Jiri Olsa <jolsa@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH regression 4.0 -> 4.1] tools perf: Fix build breakage
 if prefix= is specified

On 6/18/15 2:39 PM, Lukas Wunner wrote:
> So the prefix parameter should have no effect at all in your case,
> no matter to what you set it.

It does:

rpmbuild -bb --define="_prefix /tmp/junk" SPECS/perf.spec

...
+ make -s -C tools/perf V=1 WERROR=0 NO_LIBUNWIND=1 
HAVE_CPLUS_DEMANGLE=1 NO_GTK2=1 NO_STRLCPY=1 NO_BIONIC=1 
prefix=/tmp/junk DESTDIR=/root/rpmbuild/BUILDROOT/perf-4.1.rc6-1.x86_64 all

...

Note that prefix=/tmp/junk when tools/perf/Makefile gets invoked.

[root@...-vbox rpmbuild]# rpm -qvlp 
/root/rpmbuild/RPMS/x86_64/perf-4.1.rc6-1.x86_64.rpm | grep bin/perf
-rwxr-xr-x    2 root    root                  2382176 Jun 18 13:10 
/tmp/junk/bin/perf


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