Add support for using openblas for the _dotblas function.

1 files changed, 23 insertions, 1 deletions

diff --git a/numpy/distutils/system_info.py b/numpy/distutils/system_info.py
index 8ec1b8446..245652003 100644
--- a/numpy/distutils/system_info.py
+++ b/numpy/distutils/system_info.py
@@ -119,7 +119,6 @@ import copy
 import warnings
 from glob import glob
 from functools import reduce
-
 if sys.version_info[0] < 3:
     from ConfigParser import NoOptionError, ConfigParser
 else:
@@ -298,6 +297,7 @@ def get_info(name, notfound_action=0):
           'lapack_atlas': lapack_atlas_info,  # use lapack_opt instead
           'lapack_atlas_threads': lapack_atlas_threads_info,  # ditto
           'mkl': mkl_info,
+          'openblas': openblas_info,          # use blas_opt instead
           'lapack_mkl': lapack_mkl_info,      # use lapack_opt instead
           'blas_mkl': blas_mkl_info,          # use blas_opt instead
           'x11': x11_info,
@@ -1492,6 +1492,11 @@ class blas_opt_info(system_info):
             self.set_info(**blas_mkl_info)
             return
 
+        openblas_info = get_info('openblas')
+        if openblas_info:
+            self.set_info(**openblas_info)
+            return
+
         atlas_info = get_info('atlas_blas_threads')
         if not atlas_info:
             atlas_info = get_info('atlas_blas')
@@ -1537,6 +1542,23 @@ class blas_info(system_info):
         self.set_info(**info)
 
 
+class openblas_info(blas_info):
+    section = 'openblas'
+    dir_env_var = 'OPENBLAS'
+    _lib_names = ['openblas']
+    notfounderror = BlasNotFoundError
+
+    def calc_info(self):
+        lib_dirs = self.get_lib_dirs()
+
+        openblas_libs = self.get_libs('openblas_libs', self._lib_names)
+        info = self.check_libs(lib_dirs, openblas_libs, [])
+        if info is None:
+            return
+        info['language'] = 'f77'  # XXX: is it generally true?
+        self.set_info(**info)
+
+
 class blas_src_info(system_info):
     section = 'blas_src'
     dir_env_var = 'BLAS_SRC'