Syslinux - Jun 2018 - Warning message when building the sys-boot/syslinux Gentoo Linux package

Hello.

My GNU/Linux distribution is Gentoo Linux.

The Portage package manager reports the following warning message when 
building the sys-boot/syslinux-6.04_pre1 package:
> QA Notice: Package triggers severe warnings which indicate that it
>            may exhibit random runtime failures.
> /var/tmp/portage/sys-boot/syslinux-6.04_pre1/work/syslinux-6.04-pre1/com32/
lib/syslinux/debug.c:91:5: warning: incompatible implicit declaration of 
built-in function ?printf?
>
> Please do not file a Gentoo bug and instead report the above QA
> issues directly to the upstream developers of this software.
> Homepage: http://www.syslinux.org/
-- 
https://fturco.gitlab.com/
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