Compilation error: “stddef.h: No such file or directory”

Question

Whenever I try to compile this code it always ends up with this error:

    In file included from /usr/include/wchar.h:6:0,
             from /usr/lib/gcc/i68         


        

Answer 1

In order to update it, follow below. If you are on Windows, just run these on command prompt or powershell

Update the package list: mingw-get update

After updating the package list, run: mingw-get upgrade

Source: How to update GCC in MinGW on Windows?