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-rw-r--r--tools/perf/config/feature-checks/Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/config/feature-checks/Makefile b/tools/perf/config/feature-checks/Makefile
index 42ac05aaf8ac..b32ff3372514 100644
--- a/tools/perf/config/feature-checks/Makefile
+++ b/tools/perf/config/feature-checks/Makefile
@@ -49,7 +49,7 @@ test-hello.bin:
$(BUILD)
test-pthread-attr-setaffinity-np.bin:
- $(BUILD) -Werror -lpthread
+ $(BUILD) -D_GNU_SOURCE -Werror -lpthread
test-stackprotector-all.bin:
$(BUILD) -Werror -fstack-protector-all