From 5f6b4f690a3348c43f4f26bcc07c2418c3f2ab2f Mon Sep 17 00:00:00 2001
From: J M Dieterich <dieterich@ogolem.org>
Date: Fri, 18 Mar 2016 10:55:16 -0400
Subject: Find{BLAS,LAPACK}: Add support for OpenBLAS (#16024)

OpenBLAS (www.openblas.net) is the successor to GotoBLAS.
---
 Help/release/dev/find-blas-lapack-OpenBLAS.rst |  5 +++++
 Modules/FindBLAS.cmake                         | 20 +++++++++++++++++---
 Modules/FindLAPACK.cmake                       | 15 ++++++++++++++-
 3 files changed, 36 insertions(+), 4 deletions(-)
 create mode 100644 Help/release/dev/find-blas-lapack-OpenBLAS.rst

diff --git a/Help/release/dev/find-blas-lapack-OpenBLAS.rst b/Help/release/dev/find-blas-lapack-OpenBLAS.rst
new file mode 100644
index 0000000..893422a
--- /dev/null
+++ b/Help/release/dev/find-blas-lapack-OpenBLAS.rst
@@ -0,0 +1,5 @@
+find-blas-lapack-OpenBLAS
+-------------------------
+
+* The :module:`FindBLAS` and :module:`FindLAPACK` modules learned to
+  support `OpenBLAS <http://www.openblas.net>`__.
diff --git a/Modules/FindBLAS.cmake b/Modules/FindBLAS.cmake
index 416b666..546ada1 100644
--- a/Modules/FindBLAS.cmake
+++ b/Modules/FindBLAS.cmake
@@ -30,9 +30,9 @@
 #   BLA_F95     if set on tries to find the f95 interfaces for BLAS/LAPACK
 #
 # ######### ## List of vendors (BLA_VENDOR) valid in this module #
-# Goto,ATLAS PhiPACK,CXML,DXML,SunPerf,SCSL,SGIMATH,IBMESSL,Intel10_32
-# (intel mkl v10 32 bit),Intel10_64lp (intel mkl v10 64 bit,lp thread
-# model, lp64 model), # Intel10_64lp_seq (intel mkl v10 64
+# Goto,OpenBLAS,ATLAS PhiPACK,CXML,DXML,SunPerf,SCSL,SGIMATH,IBMESSL,
+# Intel10_32 (intel mkl v10 32 bit),Intel10_64lp (intel mkl v10 64 bit,
+# lp thread model, lp64 model), # Intel10_64lp_seq (intel mkl v10 64
 # bit,sequential code, lp64 model), # Intel( older versions of mkl 32
 # and 64 bit), ACML,ACML_MP,ACML_GPU,Apple, NAS, Generic C/CXX should be
 # enabled to use Intel mkl
@@ -172,6 +172,20 @@ if (BLA_VENDOR STREQUAL "Goto" OR BLA_VENDOR STREQUAL "All")
  endif()
 endif ()
 
+if (BLA_VENDOR STREQUAL "OpenBLAS" OR BLA_VENDOR STREQUAL "All")
+ if(NOT BLAS_LIBRARIES)
+  # OpenBLAS (http://www.openblas.net)
+  check_fortran_libraries(
+  BLAS_LIBRARIES
+  BLAS
+  sgemm
+  ""
+  "openblas"
+  ""
+  )
+ endif()
+endif ()
+
 if (BLA_VENDOR STREQUAL "ATLAS" OR BLA_VENDOR STREQUAL "All")
  if(NOT BLAS_LIBRARIES)
   # BLAS in ATLAS library? (http://math-atlas.sourceforge.net/)
diff --git a/Modules/FindLAPACK.cmake b/Modules/FindLAPACK.cmake
index b11edc3..2708de0 100644
--- a/Modules/FindLAPACK.cmake
+++ b/Modules/FindLAPACK.cmake
@@ -31,7 +31,7 @@
 #   BLA_F95     if set on tries to find the f95 interfaces for BLAS/LAPACK
 #
 # ## List of vendors (BLA_VENDOR) valid in this module # Intel(mkl),
-# ACML,Apple, NAS, Generic
+# OpenBLAS, ACML,Apple, NAS, Generic
 
 #=============================================================================
 # Copyright 2007-2009 Kitware, Inc.
@@ -181,6 +181,19 @@ if (BLA_VENDOR STREQUAL "Goto" OR BLA_VENDOR STREQUAL "All")
  endif()
 endif ()
 
+if (BLA_VENDOR STREQUAL "OpenBLAS" OR BLA_VENDOR STREQUAL "All")
+ if(NOT LAPACK_LIBRARIES)
+  check_lapack_libraries(
+  LAPACK_LIBRARIES
+  LAPACK
+  cheev
+  ""
+  "openblas"
+  "${BLAS_LIBRARIES}"
+  ""
+  )
+ endif()
+endif ()
 
 #acml lapack
  if (BLA_VENDOR MATCHES "ACML" OR BLA_VENDOR STREQUAL "All")
-- 
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