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From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>,
	Clark Williams <williams@redhat.com>,
	linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
	Arnaldo Carvalho de Melo <acme@redhat.com>,
	Adrian Hunter <adrian.hunter@intel.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Alexey Budankov <alexey.budankov@linux.intel.com>,
	Andi Kleen <ak@linux.intel.com>,
	Peter Zijlstra <peterz@infradead.org>
Subject: [PATCH 17/43] tools build: Add -lrt to FEATURE_CHECK_LDFLAGS-libaio
Date: Thu, 14 Feb 2019 21:45:13 -0300	[thread overview]
Message-ID: <20190215004539.23571-18-acme@kernel.org> (raw)
In-Reply-To: <20190215004539.23571-1-acme@kernel.org>

From: Arnaldo Carvalho de Melo <acme@redhat.com>

Since we need it to resolve the AIO symbols, otherwise we fail with:

  $ cat /tmp/build/perf/feature/test-all.make.output
  /usr/bin/ld: /tmp/ccEqrj36.o: undefined reference to symbol 'aio_return64@@GLIBC_2.2.5'
  /usr/bin/ld: //usr/lib64/librt.so.1: error adding symbols: DSO missing from command line
  collect2: error: ld returned 1 exit status
  $

When we added the aio support in 'perf record' only the test-libaio.bin
target got the -lrt, i.e. the feature detection slow path. Fix it.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Fixes: 2a07d814747b ("tools build feature: Check if libaio is available")
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/Makefile.config | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index b441c88cafa1..e6360d47e73a 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -218,6 +218,8 @@ FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
 FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
 FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
 
+FEATURE_CHECK_LDFLAGS-libaio = -lrt
+
 CFLAGS += -fno-omit-frame-pointer
 CFLAGS += -ggdb3
 CFLAGS += -funwind-tables
-- 
2.19.1

  parent reply	other threads:[~2019-02-15  0:45 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-15  0:44 [GIT PULL 00/43] perf/core improvements and fixes Arnaldo Carvalho de Melo
2019-02-15  0:44 ` [PATCH 01/43] perf record: Implement --affinity=node|cpu option Arnaldo Carvalho de Melo
2019-02-15  0:44 ` [PATCH 02/43] perf cs-etm: Add proper header file for symbols Arnaldo Carvalho de Melo
2019-02-15  0:44   ` Arnaldo Carvalho de Melo
2019-02-15  0:44 ` [PATCH 03/43] perf report: Add s390 diagnosic sampling descriptor size Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 04/43] perf vendor events power8: Cpi_breakdown & estimated_dcache_miss_cpi metrics Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 05/43] perf vendor events power8: Dl1_reload, instruction_misses, l2_stats, lsu_rejects, memory & pteg_reloads metrics Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 06/43] perf vendor events power8: Branch_prediction, latency, bus_stats, instruction_mix & instruction_stats metrics Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 07/43] perf vendor events power8: Translaton & general metrics Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 08/43] perf vendor events power9: Cpi_breakdown & estimated_dcache_miss_cpi metrics Arnaldo Carvalho de Melo
2019-02-15  0:45   ` Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 09/43] perf vendor events power9: Dl1_reloads, instruction_misses, l[23]_stats & pteg_reloads metrics Arnaldo Carvalho de Melo
2019-02-15  0:45   ` Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 10/43] perf vendor events power9: Branch_prediction, instruction_stats, latency, lsu_rejects, memory, prefetch & translation metrics Arnaldo Carvalho de Melo
2019-02-15  0:45   ` Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 11/43] perf vendor events power9: General metrics Arnaldo Carvalho de Melo
2019-02-15  0:45   ` Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 12/43] perf utils: Silence "Couldn't synthesize bpf events" warning for EPERM Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 13/43] tools feature: Undef _GNU_SOURCE at the end of feature tests Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 14/43] perf beauty ioctl cmd: The 'fd' arg is signed Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 15/43] perf trace: Check if the 'fd' is negative when mapping it to pathname Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 16/43] perf beauty waitid options: Fix up prefix showing logic Arnaldo Carvalho de Melo
2019-02-15  0:45 ` Arnaldo Carvalho de Melo [this message]
2019-02-15  0:45 ` [PATCH 18/43] perf trace: Filter out gnome-terminal* parent Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 19/43] perf coresight: Do not test for libopencsd by default Arnaldo Carvalho de Melo
2019-02-15  0:45   ` Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 20/43] perf unwind: Do not put libunwind-{x86,aarch64} in FEATURE_TESTS_BASIC Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 21/43] tools build: Add test-reallocarray.c to test-all.c to fix the build Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 22/43] perf build: Add missing FEATURE_CHECK_LDFLAGS-libcrypto Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 23/43] perf cs-etm: Remove unused structure field "state" Arnaldo Carvalho de Melo
2019-02-15  0:45   ` Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 24/43] perf cs-etm: Remove unused structure field "time" and "timestamp" Arnaldo Carvalho de Melo
2019-02-15  0:45   ` Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 25/43] perf cs-etm: Fix wrong return values in error path Arnaldo Carvalho de Melo
2019-02-15  0:45   ` Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 26/43] perf cs-etm: Introducing function cs_etm_decoder__init_dparams() Arnaldo Carvalho de Melo
2019-02-15  0:45   ` Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 27/43] perf cs-etm: Fix memory leak in error path Arnaldo Carvalho de Melo
2019-02-15  0:45   ` Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 28/43] perf cs-etm: Introducing function cs_etm__init_trace_params() Arnaldo Carvalho de Melo
2019-02-15  0:45   ` Arnaldo Carvalho de Melo
2019-02-15  0:45   ` Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 29/43] perf cs-etm: Fix erroneous comment Arnaldo Carvalho de Melo
2019-02-15  0:45   ` Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 30/43] perf cs-etm: Cleaning up function cs_etm__alloc_queue() Arnaldo Carvalho de Melo
2019-02-15  0:45   ` Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 31/43] perf cs-etm: Rethink kernel address initialisation Arnaldo Carvalho de Melo
2019-02-15  0:45   ` Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 32/43] perf cs-etm: Make cs_etm__run_decoder() queue independent Arnaldo Carvalho de Melo
2019-02-15  0:45   ` Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 33/43] perf cs-etm: Modularize main decoder function Arnaldo Carvalho de Melo
2019-02-15  0:45   ` Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 34/43] perf cs-etm: Modularize main packet processing loop Arnaldo Carvalho de Melo
2019-02-15  0:45   ` Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 35/43] perf cs-etm: Modularize auxtrace_buffer fetch function Arnaldo Carvalho de Melo
2019-02-15  0:45   ` Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 36/43] perf tools: Compile perf with libperf-in.o instead of libperf.a Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 37/43] perf tools: Rename LIB_FILE to LIBPERF_A Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 38/43] perf tools: Rename build libperf to perf Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 39/43] perf tools: Fix legacy events symbol separator parsing Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 40/43] perf list: Display metric expressions for --details option Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 41/43] perf header: Get rid of write_it label Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 42/43] perf header: Remove unused 'cpu_nr' field from 'struct cpu_topo' Arnaldo Carvalho de Melo
2019-02-15  0:45 ` [PATCH 43/43] tools build feature sched_getcpu: Undef _GNU_SOURCE at the end Arnaldo Carvalho de Melo
2019-02-15  9:20 ` [GIT PULL 00/43] perf/core improvements and fixes Ingo Molnar

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