Update numpy.hpp

Author: duburcqa

include/eigenpy/numpy.hpp

@@ -11,20 +11,25 @@
 #define PY_ARRAY_UNIQUE_SYMBOL EIGENPY_ARRAY_API
 #endif
 
-// For compatibility with Numpy 2.x
-// See
+// For compatibility with Numpy 2.x. See:
 // https://numpy.org/devdocs/reference/c-api/array.html#c.NPY_API_SYMBOL_ATTRIBUTE
-#define NPY_API_SYMBOL_ATTRIBUTE EIGENPY_DLLAPI
+#define NPY_API_SYMBOL_ATTRIBUTE
+
+// Numpy headers drags Python with them. As a result, it
+// is necessary to include the desired Python library before 
+// Numpy picks the default one, as it would be impossible to
+// to change it afterward. Boost::Python provides a helper 
+// specifically dedicated to selecting the right Python 
+// library depending on build type, so let's make use of it.
+#include <boost/python/detail/wrap_python.hpp>
 
 #include <numpy/numpyconfig.h>
 #ifdef NPY_1_8_API_VERSION
 #define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION
 #endif
 
-/* Allow compiling against NumPy 1.x and 2.x
-   see:
-   https://github.com/numpy/numpy/blob/afea8fd66f6bdbde855f5aff0b4e73eb0213c646/doc/source/reference/c-api/array.rst#L1224
-*/
+// Allow compiling against NumPy 1.x and 2.x. See:
+// https://github.com/numpy/numpy/blob/afea8fd66f6bdbde855f5aff0b4e73eb0213c646/doc/source/reference/c-api/array.rst#L1224
 #if NPY_ABI_VERSION < 0x02000000
 #define PyArray_DescrProto PyArray_Descr
 #endif