╰─> emerge -pvO compton libconfig

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

[ebuild   R    ] x11-misc/compton-0.1_beta2-r1::gentoo  USE="dbus drm opengl pcre -xinerama" PYTHON_TARGETS="python3_8 -python3_6 -python3_7 -python3_9" 0 KiB
[ebuild     U  ] dev-libs/libconfig-1.7.2:0/11::gentoo [1.5:0/0::gentoo] USE="cxx -static-libs (-examples%)" ABI_X86="(64) -32 (-x32)" 0 KiB

Total: 2 packages (1 upgrade, 1 reinstall), Size of downloads: 0 KiB