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-rw-r--r--numpy/core/include/numpy/npy_no_deprecated_api.h15
1 files changed, 12 insertions, 3 deletions
diff --git a/numpy/core/include/numpy/npy_no_deprecated_api.h b/numpy/core/include/numpy/npy_no_deprecated_api.h
index 61db78984..6183dc278 100644
--- a/numpy/core/include/numpy/npy_no_deprecated_api.h
+++ b/numpy/core/include/numpy/npy_no_deprecated_api.h
@@ -1,10 +1,19 @@
/*
- * This file is for inclusion in cython *.pxd files in order to define
- * the NPY_NO_DEPRECATED_API macro. In order to include it, do
+ * This include file is provided for inclusion in Cython *.pyd files where
+ * one would like to define the NPY_NO_DEPRECATED_API macro. It can be
+ * included by
*
- * cdef extern from "numpy/npy_no_deprecated_api.h": pass
+ * cdef extern from "npy_no_deprecated_api.h": pass
*
*/
#ifndef NPY_NO_DEPRECATED_API
+
+/* put this check here since there may be multiple includes in C extensions. */
+#if defined(NDARRAYTYPES_H) || defined(_NPY_DEPRECATED_API_H) || \
+ defined(OLD_DEFINES_H)
+#error "npy_no_deprecated_api.h" must be first among numpy includes.
+#else
#define NPY_NO_DEPRECATED_API NPY_API_VERSION
#endif
+
+#endif