linux-kernel - [PATCH 28/52] tools/perf/build: Split out feature check: 'on-exit'

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Message-Id: <1381227082-22039-29-git-send-email-mingo@kernel.org>
Date:	Tue,  8 Oct 2013 12:10:58 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	linux-kernel@...r.kernel.org
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>,
	David Ahern <dsahern@...il.com>, Jiri Olsa <jolsa@...hat.com>
Subject: [PATCH 28/52] tools/perf/build: Split out feature check: 'on-exit'

Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: David Ahern <dsahern@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Link: http://lkml.kernel.org/n/tip-gmywXandzfxnlcbzlX6bkpw1@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 tools/perf/config/Makefile                      | 3 ++-
 tools/perf/config/feature-checks/Makefile       | 4 ++++
 tools/perf/config/feature-checks/test-on-exit.c | 6 ++++++
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 079d8aa..2d6fcf4 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -123,6 +123,7 @@ FEATURE_TESTS =				\
 	libpython-version		\
 	strlcpy				\
 	libbfd				\
+	on-exit				\
 	libnuma
 
 $(foreach test,$(FEATURE_TESTS),$(call feature_check,$(test),$(test)))
@@ -431,7 +432,7 @@ ifndef NO_STRLCPY
 endif
 
 ifndef NO_ON_EXIT
-  ifeq ($(call try-cc,$(SOURCE_ON_EXIT),,-DHAVE_ON_EXIT_SUPPORT),y)
+  ifeq ($(feature-on-exit), 1)
     CFLAGS += -DHAVE_ON_EXIT_SUPPORT
   endif
 endif
diff --git a/tools/perf/config/feature-checks/Makefile b/tools/perf/config/feature-checks/Makefile
index d348aa0..20f1b8c 100644
--- a/tools/perf/config/feature-checks/Makefile
+++ b/tools/perf/config/feature-checks/Makefile
@@ -21,6 +21,7 @@ FILES=					\
 	test-libpython-version		\
 	test-strlcpy			\
 	test-libbfd			\
+	test-on-exit			\
 	test-libnuma
 
 CC := $(CC) -MD
@@ -120,6 +121,9 @@ test-strlcpy:
 test-libbfd:
 	$(BUILD) -DPACKAGE='perf' -DPACKAGE=perf -lbfd -ldl
 
+test-on-exit:
+	$(BUILD)
+
 -include *.d */*.d
 
 ###############################
diff --git a/tools/perf/config/feature-checks/test-on-exit.c b/tools/perf/config/feature-checks/test-on-exit.c
new file mode 100644
index 0000000..473f1de
--- /dev/null
+++ b/tools/perf/config/feature-checks/test-on-exit.c
@@ -0,0 +1,6 @@
+#include <stdio.h>
+
+int main(void)
+{
+	return on_exit(NULL, NULL);
+}
-- 
1.8.3.1

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