kleink@netbsd.org said:
> Arrange for a linker warning to be displayed when the errno datum is
> accessed directly; inspired by a conversation with Havard Eidnes. 

dependall ===> bin/cat
cc  -static -o cat cat.o
/usr/lib/libc.a(_errno.o): In function `__errno':
_errno.o(.text+0x4): warning: reference to deprecated errno; include <errno.h> 
f
or correct reference

Is that what you want? Or is it my build environment?

best regards
Matthias