tools/perf/build: Split out feature check: 'strlcpy'

Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/n/tip-ektO8cgvupthhyqqczSok2sr@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

3 files changed, 14 insertions, 1 deletions

diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 7e139694afc2..c8ac4df05db1 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -121,6 +121,7 @@ FEATURE_TESTS =				\
         libperl                         \
         libpython                       \
         libpython-version               \
+        strlcpy                         \
         libbfd                          \
         libnuma
 
@@ -434,7 +435,7 @@ 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 af65aaa93e16..d348aa0ec181 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 000000000000..4a6b6ff06f74
--- /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;
+}