ggml-blas: hide warnings from included BLAS headers (#18818)

* fix compile def openblas, blis for compat libs, nvpl compile def, warn if no blas vendor set

* ggml-blas: hide warnings from included BLAS headers

ggml/src/ggml-blas/CMakeLists.txt

@@ -93,7 +93,7 @@ if (BLAS_FOUND)
     endif()
 
     target_link_libraries     (ggml-blas PRIVATE ${BLAS_LIBRARIES})
-    target_include_directories(ggml-blas PRIVATE ${BLAS_INCLUDE_DIRS})
+    target_include_directories(ggml-blas SYSTEM PRIVATE ${BLAS_INCLUDE_DIRS})
 else()
     message(FATAL_ERROR "BLAS not found, please refer to "
                         "https://cmake.org/cmake/help/latest/module/FindBLAS.html#blas-lapack-vendors"