undefined reference to '__builtin_mul_overflow'

[Jordi Sanfeliu]

Hello Sebastian,

I appreciate your quick reply.


On 2/25/22 13:03, Sebastian Huber wrote:

> this builtin is available since GCC 5. Maybe you should update your GCC 
> version or implement __builtin_mul_overflow() in your operating system.
> 

Understood, time to upgrade the toolchain.

Just curiosity, what if I comment out these lines that are using that 
function?

Does this will suppose a malfunction later? I mean, is this function 
required to have a working Newlib 4.1.0 implementation?

Thanks.

-- 
Jordi Sanfeliu
FIBRANET Network Services Provider
https://www.fibranet.cat