Also include the path already set for CBLAS_INC_DIR

cmake/cblas.cmake

@@ -81,7 +81,7 @@ if(ATLAS_INC_DIR AND ATLAS_CBLAS_LIB AND ATLAS_LIB AND NOT CBLAS_FOUND)
   set(CBLAS_FOUND ON)
   if(ATLAS_CLAPACK_INC_DIR)
     add_definitions(-DPADDLE_USE_LAPACK)
-    set(CBLAS_INC_DIR ${ATLAS_CLAPACK_INC_DIR})
+    set(CBLAS_INC_DIR ${CBLAS_INC_DIR} ${ATLAS_CLAPACK_INC_DIR})
     message(STATUS "Found lapack in ATLAS (include: ${ATLAS_CLAPACK_INC_DIR})")
   endif()
   return()