linux-kernel - Re: [PATCH] perf tests: Add install prefix tests

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Date:	Wed, 22 Jan 2014 15:44:53 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Josh Boyer <jwboyer@...oraproject.org>
Cc:	Ingo Molnar <mingo@...e.hu>, Steven Rostedt <rostedt@...dmis.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	"Linux-Kernel@...r. Kernel. Org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] perf tests: Add install prefix tests

On Wed, Jan 22, 2014 at 09:03:21AM -0500, Josh Boyer wrote:
> On Wed, Jan 22, 2014 at 8:02 AM, Jiri Olsa <jolsa@...hat.com> wrote:
> > On Tue, Jan 21, 2014 at 07:58:41PM -0500, Josh Boyer wrote:
> >> On Tue, Jan 21, 2014 at 3:02 PM, Josh Boyer <jwboyer@...oraproject.org> wrote:
> >> > Hi All,
> >> >
> >> > I went to build Linux v3.13-737-g7fe67a1 in Fedora this morning and it
> >> > resulted in RPM complaining that the perf and perf.so binaries had
> >>
> >
> > SNIP
> >
> >> I'm not sure why DESTDIR is included in the -DPLUGIN_DIR definition in
> >> tools/lib/traceevent/Makefile, nor why $(prefix) is in plugindir_SQ in
> >> tools/perf/config/Makefile.
> >>
> >> josh
> >>
> >> diff --git a/tools/lib/traceevent/Makefile b/tools/lib/traceevent/Makefile
> >> index 56d52a3..005c9cc 100644
> >> --- a/tools/lib/traceevent/Makefile
> >> +++ b/tools/lib/traceevent/Makefile
> >> @@ -63,7 +63,7 @@ endif
> >>  endif
> >>
> >>  ifeq ($(set_plugin_dir),1)
> >> -PLUGIN_DIR = -DPLUGIN_DIR="$(DESTDIR)/$(plugin_dir)"
> >> +PLUGIN_DIR = -DPLUGIN_DIR="$(plugin_dir)"
> >>  PLUGIN_DIR_SQ = '$(subst ','\'',$(PLUGIN_DIR))'
> >
> > hi,
> > this one needs to stay, otherwise perf have wrong path
> > to load plugins from..
> 
> Hm.  Are you sure?  I believe I tested with just the $(prefix) removed
> below and it still failed the RPM build.  If DESTDIR is included in
> what is passed as DPLUGIN_DIR, it will include the buildroot path in
> the binaries, but when the RPM is installed it does not install to the
> buildroot path.  E.g. you will have:
> 
> -DPLUGIN_DIR="/home/jwboyer/rpmbuild/BUILDROOT/kernel-3.14.0-0.rc0.git1.1.fc21.x86_64//usr/lib64/traceevent/plugins"
> 
> but the plugins will be installed to /usr/lib64/traceevent/plugins by
> RPM.  I'll try again with just the libdir fix, but I'm fairly sure
> what I've said above is correct.  At least in terms of how RPMs are
> built.

ok, now I'm woken up... you're right, both hunks are needed,
got confused with the DESTDIR real meaning, sry

jirka
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