dev-python/numpy: record include_dirs of blas

We specify blas in site.cfg, which could have non-standard
  include dirs.  sci-libs/scikits_learn, for example,
  relies on this information to find cblas.

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

Package-Manager: portage-2.3.3

dev-python/numpy/files/numpy-1.11.2-blas_rec_inc_dir.patch

@@ -0,0 +1,24 @@
+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