tools/perf/build: Split out feature check: 'libelf-mmap'

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-9fxnxjcmrgbSvipxlwsdQ8fg@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

2 files changed, 11 insertions, 0 deletions

diff --git a/tools/perf/config/feature-checks/Makefile b/tools/perf/config/feature-checks/Makefile
index 566a71dd6168..bf96e34509f4 100644
--- a/tools/perf/config/feature-checks/Makefile
+++ b/tools/perf/config/feature-checks/Makefile
@@ -9,6 +9,7 @@ FILES=					\
         test-libelf                     \
         test-glibc                      \
         test-dwarf                      \
+        test-libelf-mmap                \
         test-libnuma
 
 CC := $(CC) -MD
@@ -46,6 +47,9 @@ test-glibc:
 test-dwarf:
         $(BUILD) -ldw
 
+test-libelf-mmap:
+        $(BUILD) -lelf
+
 test-libnuma:
         $(BUILD) -lnuma
 
diff --git a/tools/perf/config/feature-checks/test-libelf-mmap.c b/tools/perf/config/feature-checks/test-libelf-mmap.c
new file mode 100644
index 000000000000..1c648159c705
--- /dev/null
+++ b/tools/perf/config/feature-checks/test-libelf-mmap.c
@@ -0,0 +1,7 @@
+#include <libelf.h>
+#
+int main(void)
+{
+        Elf *elf = elf_begin(0, ELF_C_READ_MMAP, 0);
+        return (long)elf;
+}