Enable the use of c99 macros in c++

jenshnielsen · jenshnielsen · commit 3818675ddf2c · 2016-03-07T20:21:29.000Z
diff --git a/setupext.py b/setupext.py
@@ -898,6 +898,11 @@ def add_flags(self, ext):
         ext.define_macros.append(('NPY_NO_DEPRECATED_API',
                                   'NPY_1_7_API_VERSION'))
 
+        # Allow the numpy NPY_INTP_FMT macro to be used in C++.
+        # On gcc this translates to PRIdPTR which needs
+        # __STDC_FORMAT_MACROS to be usable in c++
+        ext.define_macros.append(('__STDC_FORMAT_MACROS', 1))
+
     def get_setup_requires(self):
         return ['numpy>=1.6']
 
