blas order

Author: galabovaa

cmake/FindHipoDeps.cmake

@@ -1,6 +1,8 @@
 # BLAS
 set(BLAS_ROOT "" CACHE STRING "Root directory of BLAS or OpenBLAS")
-message(STATUS "BLAS_ROOT is " ${BLAS_ROOT})
+if (NOT BLAS_ROOT STREQUAL "")
+    message(STATUS "BLAS_ROOT is " ${BLAS_ROOT})
+endif()
 
 set(USE_CMAKE_FIND_BLAS ON)
 
@@ -103,12 +105,39 @@ if (NOT USE_CMAKE_FIND_BLAS)
         endif()
     endif()
 else()
-    find_package(BLAS REQUIRED)
-    if (BLAS_FOUND)
-        message(STATUS "Using BLAS library: ${BLAS_LIBRARIES}")
-        message(STATUS "BLAS include dirs: ${BLAS_INCLUDE_DIRS}")
+
+    if (NOT BLA_VENDOR)
+        if (APPLE)
+            set (BLA_VENDOR Apple)
+        elseif(LINUX)
+            set (BLA_VENDOR OpenBLAS)
+        elseif(WIN31)
+            set (BLA_VENDOR OpenBLAS)
+        endif()
+
+        find_package(BLAS QUIET)
+        if (BLAS_FOUND)
+            message(STATUS "Using BLAS library: ${BLAS_LIBRARIES}")
+            if (BLAS_INCLUDE_DIRS)
+                message(STATUS "BLAS include dirs: ${BLAS_INCLUDE_DIRS}")
+            endif()
+        else()
+            unset(BLA_VENDOR)
+        endif()
     else()
-        message(FATAL_ERROR "No BLAS library found!")
+        message(STATUS "Specified BLA_VENDOR: ${BLA_VENDOR}")
+    endif()
+
+    if (NOT BLAS_FOUND)
+        find_package(BLAS REQUIRED)
+        if (BLAS_FOUND)
+            message(STATUS "Using BLAS library: ${BLAS_LIBRARIES}")
+            if (BLAS_INCLUDE_DIRS)
+                message(STATUS "BLAS include dirs: ${BLAS_INCLUDE_DIRS}")
+            endif()
+        else()
+            message(FATAL_ERROR "No BLAS library found!")
+        endif()
     endif()
 endif()