linux-kernel - [PATCH v1 03/13] perf build: Remove unused HAVE_GLIBC

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Message-Id: <20230311065753.3012826-4-irogers@google.com>
Date:   Fri, 10 Mar 2023 22:57:43 -0800
From:   Ian Rogers <irogers@...gle.com>
To:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Tom Rix <trix@...hat.com>,
        Roberto Sassu <roberto.sassu@...wei.com>,
        Quentin Monnet <quentin@...valent.com>,
        Andres Freund <andres@...razel.de>,
        Tiezhu Yang <yangtiezhu@...ngson.cn>,
        Pavithra Gurushankar <gpavithrasha@...il.com>,
        Yang Jihong <yangjihong1@...wei.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Leo Yan <leo.yan@...aro.org>,
        "Martin Liška" <mliska@...e.cz>,
        linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        llvm@...ts.linux.dev
Cc:     Stephane Eranian <eranian@...gle.com>,
        Ian Rogers <irogers@...gle.com>
Subject: [PATCH v1 03/13] perf build: Remove unused HAVE_GLIBC_SUPPORT

HAVE_GLIBC_SUPPORT is only used in `perf version --build-options` but
doesn't control any behavior. Remove from the build to simplify it.

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/perf/Makefile.config   | 4 ----
 tools/perf/builtin-version.c | 1 -
 2 files changed, 5 deletions(-)

diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 33d62d542fd5..a68a3e9b47ae 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -476,10 +476,6 @@ else
   endif # libelf support
 endif # NO_LIBELF
 
-ifeq ($(feature-glibc), 1)
-  CFLAGS += -DHAVE_GLIBC_SUPPORT
-endif
-
 ifeq ($(feature-libaio), 1)
   ifndef NO_AIO
     CFLAGS += -DHAVE_AIO_SUPPORT
diff --git a/tools/perf/builtin-version.c b/tools/perf/builtin-version.c
index 0d9cda238c07..c5d03a11e565 100644
--- a/tools/perf/builtin-version.c
+++ b/tools/perf/builtin-version.c
@@ -59,7 +59,6 @@ static void library_status(void)
 {
 	STATUS(HAVE_DWARF_SUPPORT, dwarf);
 	STATUS(HAVE_DWARF_GETLOCATIONS_SUPPORT, dwarf_getlocations);
-	STATUS(HAVE_GLIBC_SUPPORT, glibc);
 #ifndef HAVE_SYSCALL_TABLE_SUPPORT
 	STATUS(HAVE_LIBAUDIT_SUPPORT, libaudit);
 #endif
-- 
2.40.0.rc1.284.g88254d51c5-goog