perf build: Add feature detection for libelf's elf_getshdrstrndx()
That appeared after 0.140, and will be used in the SDT code, so, to
avoid bisection break on older systems, add a feature detection and
provide a stub with a pr_debug() to keep it building.
Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>
Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: Hemant Kumar <hemant@linux.vnet.ibm.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/n/tip-80y0eldgweorqnwha9rvfxjr@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index 3d88f09..6747116 100644
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -17,6 +17,7 @@
test-cplus-demangle.bin \
test-libelf.bin \
test-libelf-getphdrnum.bin \
+ test-libelf-getshdrstrndx.bin \
test-libelf-mmap.bin \
test-libnuma.bin \
test-numa_num_possible_cpus.bin \
@@ -98,6 +99,9 @@
$(OUTPUT)test-libelf-getphdrnum.bin:
$(BUILD) -lelf
+$(OUTPUT)test-libelf-getshdrstrndx.bin:
+ $(BUILD) -lelf
+
$(OUTPUT)test-libnuma.bin:
$(BUILD) -lnuma