linux-kernel - Re: [PATCH 3/3] tools/perf: build fixes for arch_errno

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Message-ID: <20200515135036.GR5583@kernel.org>
Date:   Fri, 15 May 2020 10:50:36 -0300
From:   Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>
To:     Ian Rogers <irogers@...gle.com>
Cc:     Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Igor Lubashev <ilubashe@...mai.com>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Alexios Zavras <alexios.zavras@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Wei Li <liwei391@...wei.com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Andi Kleen <ak@...ux.intel.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH 3/3] tools/perf: build fixes for arch_errno_names.sh

Em Thu, May 14, 2020 at 10:54:49AM -0700, Ian Rogers escreveu:
> On Thu, May 14, 2020 at 8:04 AM Arnaldo Carvalho de Melo
> <arnaldo.melo@...il.com> wrote:
> >
> > Em Thu, Mar 05, 2020 at 11:11:10PM -0800, Ian Rogers escreveu:
> > > Allow the CC compiler to accept a CFLAGS environment variable.
> > > Make the architecture test directory agree with the code comment.
> > > This doesn't change the code generated but makes it easier to integrate
> > > running the shell script in build systems like bazel.
> >
> > I've looked at this and split this part in a separate patch, and applied
> > it locally, please take a look, now looking at the other bit of the
> > patch.
> 
> 
> This bit looks good. The CFLAGS change is something I need to deal
> with a directory layout change in our build system.

I added that one as well, as a separate patch, this one:

commit 6e136ceba23c087b1e1b846914e425706d492a3a
Author: Ian Rogers <irogers@...gle.com>
Date:   Thu Mar 5 23:11:10 2020 -0800

    perf beauty: Allow the CC used in the arch errno names script to acccept CFLAGS
    
    Allow the CC compiler to accept a CFLAGS environment variable.  This
    doesn't change the code generated but makes it easier to integrate
    running the shell script in build systems like bazel.
    
    Signed-off-by: Ian Rogers <irogers@...gle.com>
    Cc: Adrian Hunter <adrian.hunter@...el.com>
    Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
    Cc: Alexios Zavras <alexios.zavras@...el.com>
    Cc: Andi Kleen <ak@...ux.intel.com>
    Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
    Cc: Igor Lubashev <ilubashe@...mai.com>
    Cc: Jiri Olsa <jolsa@...hat.com>
    Cc: Kan Liang <kan.liang@...ux.intel.com>
    Cc: Mark Rutland <mark.rutland@....com>
    Cc: Mathieu Poirier <mathieu.poirier@...aro.org>
    Cc: Namhyung Kim <namhyung@...nel.org>
    Cc: Nick Desaulniers <ndesaulniers@...gle.com>
    Cc: Peter Zijlstra <peterz@...radead.org>
    Cc: Stephane Eranian <eranian@...gle.com>
    Cc: Thomas Gleixner <tglx@...utronix.de>
    Cc: Wei Li <liwei391@...wei.com>
    Link: http://lore.kernel.org/lkml/20200306071110.130202-4-irogers@google.com
    [ split from a larger patch ]
    Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>

diff --git a/tools/perf/trace/beauty/arch_errno_names.sh b/tools/perf/trace/beauty/arch_errno_names.sh
index f8c44a85650b..9f9ea45cddc4 100755
--- a/tools/perf/trace/beauty/arch_errno_names.sh
+++ b/tools/perf/trace/beauty/arch_errno_names.sh
@@ -57,7 +57,7 @@ process_arch()
 	local arch="$1"
 	local asm_errno=$(asm_errno_file "$arch")
 
-	$gcc $include_path -E -dM -x c $asm_errno \
+	$gcc $CFLAGS $include_path -E -dM -x c $asm_errno \
 		|grep -hE '^#define[[:blank:]]+(E[^[:blank:]]+)[[:blank:]]+([[:digit:]]+).*' \
 		|awk '{ print $2","$3; }' \
 		|sort -t, -k2 -nu \