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-rw-r--r--numpy/core/setup.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/numpy/core/setup.py b/numpy/core/setup.py
index 1588a2634..b41580030 100644
--- a/numpy/core/setup.py
+++ b/numpy/core/setup.py
@@ -153,7 +153,8 @@ def check_math_capabilities(config, moredefs, mathlibs):
for h in OPTIONAL_HEADERS:
if config.check_func("", decl=False, call=False, headers=[h]):
- moredefs.append((fname2def(h).replace(".", "_"), 1))
+ h = h.replace(".", "_").replace(os.path.sep, "_")
+ moredefs.append((fname2def(h), 1))
for tup in OPTIONAL_INTRINSICS:
headers = None