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

@@ -0,0 +1,5 @@
+find-blas-lapack-OpenBLAS
+-------------------------
+
+* The :module:`FindBLAS` and :module:`FindLAPACK` modules learned to
+  support `OpenBLAS <http://www.openblas.net>`__.

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/)

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")