Cocos2d compilation problems

Everyone knows that there is a very strange problem in the compilation of android-ndk-r8b and android-ndk-r9c, in the version upgrade, we always like the high version, I am the same, however, when ndk9 is used, the syntax is strictly checked, and the compilation string is faulty. Therefore, it is very difficult to replace ndk9 with ndk8, we provide you with a very simple method, which can be solved according to the figure below.

I will also write this sentence for your convenience .....APP_CFLAGS + =-Wno-error = format-security