Hi,
On Thu, Nov 30, 2017 at 02:36:33PM +0100, phi gcc wrote:
> NC$ cc -c c.c
> c.c:2:5: warning: conflicting types for built-in function 'exp2'
> int exp2(){return(7);}
> ^~~~
>
> It's all sounds like gcc got its own idea about what I am trying to
> do, I don't include math.h on purpose, yet I got some magic builtins ?
>
> Is there a pragma I I could stuff in my own .h where exp2() is
> exported, I can't temper the Makefile.
-fno-builtin-exp2. Or just ignore the warning.
Segher
