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| author | Julian Taylor <jtaylor.debian@googlemail.com> | 2016-10-11 19:05:57 +0200 |
|---|---|---|
| committer | Julian Taylor <jtaylor.debian@googlemail.com> | 2016-10-11 19:20:52 +0200 |
| commit | 5b38e86dc118ed3afece54cb6b01bef0c7a1a4df (patch) | |
| tree | 2085571cdd61ad970972c2354c17ebf4d29f51b7 /numpy/core/setup_common.py | |
| parent | b5471e08bd4fe30363c1f66a640e9ceae1653a86 (diff) | |
| download | numpy-5b38e86dc118ed3afece54cb6b01bef0c7a1a4df.tar.gz | |
MAINT: make sure __builtin_cpu_supports is not optimized away
OSX 10.11 ships a clang that uses it but does not implement the necesary
library function
closes gh-8130
Diffstat (limited to 'numpy/core/setup_common.py')
| -rw-r--r-- | numpy/core/setup_common.py | 4 |
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 |