linux-kernel - [PATCH 27/52] tools/perf/build: Split out feature check: 'strlcpy'

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Message-Id: <1381227082-22039-28-git-send-email-mingo@kernel.org>
Date:	Tue,  8 Oct 2013 12:10:57 +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 27/52] tools/perf/build: Split out feature check: 'strlcpy'

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-ektO8cgvupthhyqqczSok2sr@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-strlcpy.c | 8 ++++++++
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 15a3bce..079d8aa 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -121,6 +121,7 @@ FEATURE_TESTS =				\
 	libperl				\
 	libpython			\
 	libpython-version		\
+	strlcpy				\
 	libbfd				\
 	libnuma
 
@@ -424,7 +425,7 @@ else
 endif
 
 ifndef NO_STRLCPY
-  ifeq ($(call try-cc,$(SOURCE_STRLCPY),,-DHAVE_STRLCPY_SUPPORT),y)
+  ifeq ($(feature-strlcpy), 1)
     CFLAGS += -DHAVE_STRLCPY_SUPPORT
   endif
 endif
diff --git a/tools/perf/config/feature-checks/Makefile b/tools/perf/config/feature-checks/Makefile
index af65aaa..d348aa0 100644
--- a/tools/perf/config/feature-checks/Makefile
+++ b/tools/perf/config/feature-checks/Makefile
@@ -19,6 +19,7 @@ FILES=					\
 	test-libperl			\
 	test-libpython			\
 	test-libpython-version		\
+	test-strlcpy			\
 	test-libbfd			\
 	test-libnuma
 
@@ -113,6 +114,9 @@ test-libpython:
 test-libpython-version:
 	$(BUILD) $(FLAGS_PYTHON_EMBED)
 
+test-strlcpy:
+	$(BUILD)
+
 test-libbfd:
 	$(BUILD) -DPACKAGE='perf' -DPACKAGE=perf -lbfd -ldl
 
diff --git a/tools/perf/config/feature-checks/test-strlcpy.c b/tools/perf/config/feature-checks/test-strlcpy.c
new file mode 100644
index 0000000..4a6b6ff
--- /dev/null
+++ b/tools/perf/config/feature-checks/test-strlcpy.c
@@ -0,0 +1,8 @@
+#include <stdlib.h>
+extern size_t strlcpy(char *dest, const char *src, size_t size);
+
+int main(void)
+{
+	strlcpy(NULL, NULL, 0);
+	return 0;
+}
-- 
1.8.3.1

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