1722290935

Author: Oleh Kulykov

CMakeLists.txt

@@ -185,7 +185,11 @@ else()
   endif()
 
   if (MINGW)
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-attributes")
+    # CXX ignore private external function attributes. Always link.
+    check_cxx_compiler_flag("-Wno-attributes" WITH_WNO_ATTRIBUTES_CXX)
+    if (WITH_WNO_ATTRIBUTES_CXX)
+      set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-attributes")
+    endif()
   endif()
 
 endif()