Re: [Tinycc-devel] call out from assembler

[Oleg Finkelstein]

> use .extern to declare a symbol that exists in another compile unit so I can 
> call out. 

you'll get that behaviour without .extern.

cf. gnu as (https://sourceware.org/binutils/docs/as/Extern.html):

> .extern is accepted in the source program—for compatibility with other 
> assemblers—but it is ignored. as treats all undefined symbols as external.