more work on lapacke test

test/cxx_lapacke/src/CMakeLists.txt

@@ -1,7 +1,14 @@
-if(LAPACKE_FOUND)
-    include_directories(${LAPACKE_INCLUDE_DIR})
-    add_executable(example example.cpp)
-    target_link_libraries(example ${LAPACKE_LIBRARIES})
-else()
-    message(FATAL_ERROR "LAPACKE library not found")
+if(NOT CBLAS_FOUND)
+    message(FATAL_ERROR "CBLAS not found")
 endif()
+
+if(NOT LAPACKE_FOUND)
+    message(FATAL_ERROR "LAPACKE not found")
+endif()
+
+include_directories(${CBLAS_INCLUDE_DIR})
+include_directories(${LAPACKE_INCLUDE_DIR})
+
+add_executable(example example.cpp)
+
+target_link_libraries(example ${LAPACKE_LIBRARIES})

test/cxx_lapacke/src/example.cpp

@@ -1,6 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+#include "cblas.h"
 #include "lapacke.h"
 
 int main()