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diff -Nur scikit-learn-0.17.1.orig/sklearn/_build_utils.py scikit-learn-0.17.1/sklearn/_build_utils.py
--- scikit-learn-0.17.1.orig/sklearn/_build_utils.py	2016-03-09 00:27:54.756813784 +0000
+++ scikit-learn-0.17.1/sklearn/_build_utils.py	2016-03-09 00:30:09.605118512 +0000
@@ -23,7 +23,7 @@
         return False
 
     blas_info = get_info('blas_opt', 0)
-    if (not blas_info) or atlas_not_found(blas_info):
+    if (not blas_info):
         cblas_libs = ['cblas']
         blas_info.pop('libraries', None)
     else:
diff -Nur scikit-learn-0.17.1.orig/sklearn/setup.py scikit-learn-0.17.1/sklearn/setup.py
--- scikit-learn-0.17.1.orig/sklearn/setup.py	2016-03-09 00:27:54.806813156 +0000
+++ scikit-learn-0.17.1/sklearn/setup.py	2016-03-09 00:29:28.215638848 +0000
@@ -58,14 +58,6 @@
         libraries=libraries,
     )
 
-    # some libs needs cblas, fortran-compiled BLAS will not be sufficient
-    blas_info = get_info('blas_opt', 0)
-    if (not blas_info) or (
-            ('NO_ATLAS_INFO', 1) in blas_info.get('define_macros', [])):
-        config.add_library('cblas',
-                           sources=[join('src', 'cblas', '*.c')])
-        warnings.warn(BlasNotFoundError.__doc__)
-
     # the following packages depend on cblas, so they have to be build
     # after the above.
     config.add_subpackage('linear_model')