linux-kernel - [tip:perf/core] perf unwind: Use LIBUNWIND_DIR for remote libunwind feature check

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Date:	Wed, 8 Jun 2016 01:45:46 -0700
From:	tip-bot for He Kuang <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	namhyung@...nel.org, eranian@...gle.com, ak@...ux.intel.com,
	jpoimboe@...hat.com, hekuang@...wei.com, hpa@...or.com,
	alexander.shishkin@...ux.intel.com, dsahern@...il.com,
	sukadev@...ux.vnet.ibm.com, kan.liang@...el.com, acme@...hat.com,
	tglx@...utronix.de, adrian.hunter@...el.com, mhiramat@...nel.org,
	linux-kernel@...r.kernel.org, tumanova@...ux.vnet.ibm.com,
	peterz@...radead.org, jolsa@...nel.org, wangnan0@...wei.com,
	penberg@...nel.org, mingo@...nel.org
Subject: [tip:perf/core] perf unwind: Use LIBUNWIND_DIR for remote libunwind
 feature check

Commit-ID:  195106b9ff87da6da600b2c33d6a8b38281e1af3
Gitweb:     http://git.kernel.org/tip/195106b9ff87da6da600b2c33d6a8b38281e1af3
Author:     He Kuang <hekuang@...wei.com>
AuthorDate: Fri, 3 Jun 2016 03:33:10 +0000
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Tue, 7 Jun 2016 12:08:51 -0300

perf unwind: Use LIBUNWIND_DIR for remote libunwind feature check

Pass LIBUNWIND_DIR to feature check flags for remote libunwind
tests. So perf can be able to detect remote libunwind libraries from
arbitrary directory.

Signed-off-by: He Kuang <hekuang@...wei.com>
Acked-by: Jiri Olsa <jolsa@...nel.org>
Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Andi Kleen <ak@...ux.intel.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Ekaterina Tumanova <tumanova@...ux.vnet.ibm.com>
Cc: Josh Poimboeuf <jpoimboe@...hat.com>
Cc: Kan Liang <kan.liang@...el.com>
Cc: Masami Hiramatsu <mhiramat@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Pekka Enberg <penberg@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
Cc: Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
Cc: Wang Nan <wangnan0@...wei.com>
Link: http://lkml.kernel.org/r/1464924803-22214-2-git-send-email-hekuang@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/config/Makefile | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 1e46277..6f9f566 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -67,9 +67,18 @@ endif
 #
 #   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
 #
+
+libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
+define libunwind_arch_set_flags_code
+  FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(LIBUNWIND_DIR)/include
+  FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
+endef
+
 ifdef LIBUNWIND_DIR
   LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/include
   LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
+  LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
+  $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
 endif
 LIBUNWIND_LDFLAGS += $(LIBUNWIND_LIBS)