Date:   Fri, 10 Mar 2023 22:57:43 -0800
In-Reply-To: <20230311065753.3012826-1-irogers@google.com>
Message-Id: <20230311065753.3012826-4-irogers@google.com>
Mime-Version: 1.0
References: <20230311065753.3012826-1-irogers@google.com>
Subject: [PATCH v1 03/13] perf build: Remove unused HAVE_GLIBC_SUPPORT
From:   Ian Rogers <irogers@google.com>
To:     Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@redhat.com>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Jiri Olsa <jolsa@kernel.org>,
        Namhyung Kim <namhyung@kernel.org>,
        Nathan Chancellor <nathan@kernel.org>,
        Nick Desaulniers <ndesaulniers@google.com>,
        Tom Rix <trix@redhat.com>,
        Roberto Sassu <roberto.sassu@huawei.com>,
        Quentin Monnet <quentin@isovalent.com>,
        Andres Freund <andres@anarazel.de>,
        Tiezhu Yang <yangtiezhu@loongson.cn>,
        Pavithra Gurushankar <gpavithrasha@gmail.com>,
        Yang Jihong <yangjihong1@huawei.com>,
        Adrian Hunter <adrian.hunter@intel.com>,
        Leo Yan <leo.yan@linaro.org>,
        "=?UTF-8?q?Martin=20Li=C5=A1ka?=" <mliska@suse.cz>,
        linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
        llvm@lists.linux.dev
Cc:     Stephane Eranian <eranian@google.com>,
        Ian Rogers <irogers@google.com>
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk

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@google.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