From: Masami Hiramatsu <mhiramat@kernel.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Borislav Petkov <bp@alien8.de>,
LKML <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@kernel.org>,
Randy Dunlap <rdunlap@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
Peter Zijlstra <peterz@infradead.org>,
Sasha Levin <sashal@kernel.org>, Jiri Olsa <jolsa@redhat.com>,
Masahiro Yamada <masahiroy@kernel.org>,
Michal Marek <michal.lkml@markovi.net>
Subject: Re: [BUGFIX PATCH v2] tools: Let O= makes handle a relative path with -C option
Date: Sat, 7 Mar 2020 11:27:23 +0900 [thread overview]
Message-ID: <20200307112723.3fcb6f8f1589873d7ae1c7b9@kernel.org> (raw)
In-Reply-To: <20200306201203.GB13774@kernel.org>
On Fri, 6 Mar 2020 17:12:03 -0300
Arnaldo Carvalho de Melo <acme@kernel.org> wrote:
> Em Sat, Mar 07, 2020 at 03:32:58AM +0900, Masami Hiramatsu escreveu:
> > When I compiled tools/perf from top directory with the -C option,
> > the O= option didn't work correctly if I passed a relative path.
> >
> > $ make O=BUILD -C tools/perf/
> > make: Entering directory '/home/mhiramat/ksrc/linux/tools/perf'
> > BUILD: Doing 'make -j8' parallel build
> > ../scripts/Makefile.include:4: *** O=/home/mhiramat/ksrc/linux/tools/perf/BUILD does not exist. Stop.
> > make: *** [Makefile:70: all] Error 2
> > make: Leaving directory '/home/mhiramat/ksrc/linux/tools/perf'
> >
> > The O= directory existence check failed because the check
> > script ran in the build target directory instead of the
> > directory where I ran the make command.
> >
> > To fix that, once change directory to $(PWD) and check O=
> > directory, since the PWD is set to where the make command
> > runs.
>
> Tested with O=/non/relative/paths, as I always use, not to polute the
> checked out kerneo sources, and with a relative path, as fixed in this
> patch, now both works, thanks, will be in my next perf/urgent pull req
> to Ingo.
>
Thanks Arnaldo!
> - Arnaldo
>
> > Fixes: c883122acc0d ("perf tools: Let O= makes handle relative paths")
> > Reported-by: Randy Dunlap <rdunlap@infradead.org>
> > Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
> > Cc: stable@vger.kernel.org
> >
> > ---
> > Changes in V2:
> > - Fix tools/perf/Makefile because it has own O= pre-process.
> > - Use tools/perf for example.
> > - Add explicit Cc: stable@vger.kernel.org tag.
> > ---
> > tools/perf/Makefile | 2 +-
> > tools/scripts/Makefile.include | 4 ++--
> > 2 files changed, 3 insertions(+), 3 deletions(-)
> >
> > diff --git a/tools/perf/Makefile b/tools/perf/Makefile
> > index 7902a5681fc8..b8fc7d972be9 100644
> > --- a/tools/perf/Makefile
> > +++ b/tools/perf/Makefile
> > @@ -35,7 +35,7 @@ endif
> > # Only pass canonical directory names as the output directory:
> > #
> > ifneq ($(O),)
> > - FULL_O := $(shell readlink -f $(O) || echo $(O))
> > + FULL_O := $(shell cd $(PWD); readlink -f $(O) || echo $(O))
> > endif
> >
> > #
> > diff --git a/tools/scripts/Makefile.include b/tools/scripts/Makefile.include
> > index ded7a950dc40..6d2f3a1b2249 100644
> > --- a/tools/scripts/Makefile.include
> > +++ b/tools/scripts/Makefile.include
> > @@ -1,8 +1,8 @@
> > # SPDX-License-Identifier: GPL-2.0
> > ifneq ($(O),)
> > ifeq ($(origin O), command line)
> > - dummy := $(if $(shell test -d $(O) || echo $(O)),$(error O=$(O) does not exist),)
> > - ABSOLUTE_O := $(shell cd $(O) ; pwd)
> > + dummy := $(if $(shell cd $(PWD); test -d $(O) || echo $(O)),$(error O=$(O) does not exist),)
> > + ABSOLUTE_O := $(shell cd $(PWD); cd $(O) ; pwd)
> > OUTPUT := $(ABSOLUTE_O)/$(if $(subdir),$(subdir)/)
> > COMMAND_O := O=$(ABSOLUTE_O)
> > ifeq ($(objtree),)
> >
>
> --
>
> - Arnaldo
--
Masami Hiramatsu <mhiramat@kernel.org>
next prev parent reply other threads:[~2020-03-07 2:27 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-06 18:32 [BUGFIX PATCH v2] tools: Let O= makes handle a relative path with -C option Masami Hiramatsu
2020-03-06 20:12 ` Arnaldo Carvalho de Melo
2020-03-07 2:27 ` Masami Hiramatsu [this message]
2020-03-19 14:04 ` [tip: perf/urgent] " tip-bot2 for Masami Hiramatsu
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200307112723.3fcb6f8f1589873d7ae1c7b9@kernel.org \
--to=mhiramat@kernel.org \
--cc=acme@kernel.org \
--cc=akpm@linux-foundation.org \
--cc=bp@alien8.de \
--cc=geert@linux-m68k.org \
--cc=jolsa@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=masahiroy@kernel.org \
--cc=michal.lkml@markovi.net \
--cc=mingo@kernel.org \
--cc=peterz@infradead.org \
--cc=rdunlap@infradead.org \
--cc=rostedt@goodmis.org \
--cc=sashal@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).