Problems with gentoolkit

[chicca]

I'm trying to emerge gentoolkit and the result is:

Computer-di-scioz:/usr/lib/portage/src root# emerge gentoolkit
Calculating dependencies ...done!
>>> emerge (1 of 2) sys-apps/portage-2.0.51-r3 to /
>>> md5 src_uri portage-2.0.51-r3.tar.bz2
>>> Checking portage-2.0.51-r3.tar.bz2's mtime...
>>> WORKDIR is up-to-date, keeping...
>>> It appears that portage is already compiled; skipping.
>>> (clean to force compilation)
>>> Test phase [not enabled]: sys-apps/portage-2.0.51-r3

>>> Install portage-2.0.51-r3 into /var/tmp/portage/portage-2.0.51-r3/image/ category sys-apps
*
* Portage does not have an arch-specific configuration for this arch.
* Please notify the arch maintainer about this issue. Using generic.
*
strip: can't process non-object and non-archive file: tbz2tool
QA Notice: USE Flag 'macos' not in IUSE for sys-apps/portage-2.0.51-r3
macos
* Not installing sandbox on macos
man:


What can i do now? Are there anyone can help me?

[pindar]

Please use the search function. There are at least 3 other threads about the exact same problem.

[Taeyoung]

https://forums.gentoo.org/viewtopic.php?t=242214&highlight=

add "-sandbox" to FEATURES
specify "ppc-macos" on ACCEPT_KEYWORDS
_________________
It is only with the heart that one can see rightly; what is essential is invisible to the eye.