linux-kernel - [PATCH 16/38] perf tools: Automate setup of FEATURE_CHECK

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Date:	Mon, 13 Jan 2014 17:47:17 -0300
From:	Arnaldo Carvalho de Melo <acme@...radead.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...hat.com>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jean Pihet <jean.pihet@...aro.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 16/38] perf tools: Automate setup of FEATURE_CHECK_(C|LD)FLAGS-all variables

From: Jiri Olsa <jolsa@...hat.com>

Instead of explicitly adding same value into
FEATURE_CHECK_(C|LD)FLAGS-all variables we can do that automatically.

Signed-off-by: Jiri Olsa <jolsa@...hat.com>
Cc: Corey Ashford <cjashfor@...ux.vnet.ibm.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Jean Pihet <jean.pihet@...aro.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Link: http://lkml.kernel.org/r/1389098853-14466-2-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/config/Makefile | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index f2bc659d20af..5d15b43b03c6 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -53,9 +53,6 @@ else
   FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS)
   FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
   FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS)
-  #  and the flags for the test-all case
-  FEATURE_CHECK_CFLAGS-all += $(LIBUNWIND_CFLAGS)
-  FEATURE_CHECK_LDFLAGS-all += $(LIBUNWIND_LDFLAGS)
 endif
 
 ifeq ($(NO_PERF_REGS),0)
@@ -152,6 +149,17 @@ CORE_FEATURE_TESTS =			\
 	stackprotector-all		\
 	timerfd
 
+# Set FEATURE_CHECK_(C|LD)FLAGS-all for all CORE_FEATURE_TESTS features.
+# If in the future we need per-feature checks/flags for features not
+# mentioned in this list we need to refactor this ;-).
+set_test_all_flags = $(eval $(set_test_all_flags_code))
+define set_test_all_flags_code
+  FEATURE_CHECK_CFLAGS-all  += $(FEATURE_CHECK_CFLAGS-$(1))
+  FEATURE_CHECK_LDFLAGS-all += $(FEATURE_CHECK_LDFLAGS-$(1))
+endef
+
+$(foreach feat,$(CORE_FEATURE_TESTS),$(call set_test_all_flags,$(feat)))
+
 #
 # So here we detect whether test-all was rebuilt, to be able
 # to skip the print-out of the long features list if the file
-- 
1.8.1.4

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