mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2025-12-17 18:43:50 +01:00
Since `min(a,b)` is a very frequently used function, several libraries such as ESP8266 SDK define a `MIN` macro in their header files. Therefore the `MIN` macro should be undefined before its definition to avoid compilation errors if it is defined anywhere else before.