Code:
mars 06 16:39:09 pinephone phoc[1819]: [backend/session/logind.c:187] Failed to activate session: Interactive authentication required.
mars 06 16:39:09 pinephone phoc[1819]: [backend/session/direct-ipc.c:35] Do not have CAP_SYS_ADMIN; cannot become DRM master
mars 06 16:39:09 pinephone phoc[1819]: [backend/session/session.c:96] Failed to load session backend
mars 06 16:39:09 pinephone phoc[1819]: [backend/backend.c:234] failed to start a session
mars 06 16:39:09 pinephone phoc[1819]: [backend/backend.c:274] failed to start backend 'drm'
//Edit
adding gdm3 to the build resolve the issue
//Edit again
adding just : libpam-modules libpam-systemd libselinux1 libsystemd0
don't