I sent my previous email by accident, sorry about that.

Op vr 9 apr. 2021 om 18:52 schreef Zebediah Figura (she/her) <zfigura@codeweavers.com>:

Is there a compiler known that disables those warnings by default? gcc
enables it as part of -Wall, so it should already be enabled.

IIRC I had to explicitly add -Wimplicit-function-declaration for Clang shipped by XCode 11.