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-rw-r--r--numpy/core/setup_common.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/numpy/core/setup_common.py b/numpy/core/setup_common.py
index 9202faecf..a97b02645 100644
--- a/numpy/core/setup_common.py
+++ b/numpy/core/setup_common.py
@@ -125,7 +125,9 @@ OPTIONAL_INTRINSICS = [("__builtin_isnan", '5.'),
("__builtin_bswap64", '5u'),
("__builtin_expect", '5, 0'),
("__builtin_mul_overflow", '5, 5, (int*)5'),
- ("__builtin_cpu_supports", '"sse"'),
+ # broken on OSX 10.11, make sure its not optimized away
+ ("volatile int r = __builtin_cpu_supports", '"sse"',
+ "stdio.h", "__BUILTIN_CPU_SUPPORTS"),
("_mm_load_ps", '(float*)0', "xmmintrin.h"), # SSE
("_mm_prefetch", '(float*)0, _MM_HINT_NTA',
"xmmintrin.h"), # SSE