commit 61e9159569a601315b67c30b6e26bbb2149c0bfa
Author: Benda Xu <heroxbd@gentoo.org>
Date:   Wed Feb 15 11:17:05 2017 +0900

    BUG: blas_info should record include_dirs
    
      blas specified in site.cfg could have non-standard include dirs.
      It should be read and saved in distutils/__config__.py

PR: https://github.com/numpy/numpy/pull/8619

diff --git a/numpy/distutils/system_info.py b/numpy/distutils/system_info.py
index b8520ac..0fba865 100644
--- a/numpy/distutils/system_info.py
+++ b/numpy/distutils/system_info.py
@@ -1667,6 +1667,8 @@ class blas_info(system_info):
         info = self.check_libs(lib_dirs, blas_libs, [])
         if info is None:
             return
+        else:
+            info['include_dirs'] = self.get_include_dirs()
         if platform.system() == 'Windows':
             # The check for windows is needed because has_cblas uses the
             # same compiler that was used to compile Python and msvc is