[PATCH] perf tools: Define _GNU_SOURCE on pthread_attr_setaffinity_np feature check
From: Josh Boyer
Date: Wed Feb 11 2015 - 12:17:03 EST
The man page for pthread_attr_set_affinity_np states that _GNU_SOURCE must
be defined before pthread.h is included in order to get the proper function
declaration. Define this in the Makefile.
Without this defined, the feature check fails on a Fedora system with gcc5
and then the perf build later fails with conflicting prototypes for the
function.
Signed-off-by: Josh Boyer <jwboyer@xxxxxxxxxxxxxxxxx>
---
tools/perf/config/feature-checks/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Full logs at:
http://koji.fedoraproject.org/koji/getfile?taskID=8895543&name=build.log
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
--
2.1.0
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/