These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 0.94 s (backtrack: 0/20).


The following USE changes are necessary to proceed:
 (see "package.use" in the portage(5) man page for more details)
# required by gnome-extra/gnome-network-displays-0.99.0::gentoo
# required by =gnome-extra/gnome-network-displays-0.99.0 (argument)
>=dev-libs/libportal-0.9.1 gtk
# required by gnome-extra/gnome-network-displays-0.99.0::gentoo
# required by =gnome-extra/gnome-network-displays-0.99.0 (argument)
>=net-dns/avahi-0.9_rc5 introspection
# required by gnome-extra/gnome-network-displays-0.99.0::gentoo
# required by =gnome-extra/gnome-network-displays-0.99.0 (argument)
>=net-wireless/wpa_supplicant-2.12 p2p

!!! The ebuild selected to satisfy "net-wireless/wpa_supplicant[p2p]" has unmet requirements.
- net-wireless/wpa_supplicant-2.12::gentoo USE="ap dbus fils mbo mesh readline -broadcom-sta -eap-sim -eapol-test -gui -macsec -p2p -privsep (-selinux) -smartcard -tkip -uncommon-eap-types -wep -wps"

  The following REQUIRED_USE flag constraints are unsatisfied:
    p2p? ( wps )

  The above constraints are a subset of the following complete expression:
    macsec? ( !privsep ) mesh? ( ap ) p2p? ( ap wps ) privsep? ( !macsec ) broadcom-sta? ( !fils !mesh !mbo )

(dependency required by "gnome-extra/gnome-network-displays-0.99.0::gentoo" [ebuild])
(dependency required by "=gnome-extra/gnome-network-displays-0.99.0" [argument])