if (MSVC AND NOT
    (BLAS_LIBRARY_DIRS  OR
     (NOT "${BLAS_LIBRARY_NAMES}" STREQUAL "blas blas_win32" AND
      NOT "${BLAS_LIBRARY_NAMES}" STREQUAL "") OR
     BLAS_INCLUDE_DIRS  OR
     BLAS_INCLUDE_NAMES OR
     (NOT "${TPL_BLAS_LIBRARIES}" STREQUAL "blas" AND
      NOT "${TPL_BLAS_LIBRARIES}" STREQUAL "") OR
     TPL_BLAS_INCLUDE_DIRS)
   )
  # Find the CLAPACK built by CMake on the machine for MSVC if found it will
  # set the BLAS and LAPACK libraries.  NOTE: This the FindCLAPACK module must
  # be called every configure or this does not work!
  # If the user has specified alternate name or location of their blas that
  # will be used instead.
  find_package(CLAPACK 3.2.1 NO_MODULE)
  if (CLAPACK_FOUND)
    advanced_set(TPL_BLAS_LIBRARIES blas
      CACHE FILEPATH "Set from MSVC CLAPACK specialization")
  endif()
endif()

tribits_tpl_find_include_dirs_and_libraries( BLAS
  REQUIRED_LIBS_NAMES "blas blas_win32 openblas")