amd1200 jws # emerge -u --pretend --verbose udev

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

Calculating dependencies... done!
[ebuild     U ] sys-apps/module-init-tools-3.2.2-r3 [3.2.2-r2] USE="-old-linux% (-no-old-linux%)" 0 kB 
[ebuild     U ] sys-apps/baselayout-1.12.9-r2 [1.12.9] USE="unicode -bootstrap -build -static (-ldap%*)" 0 kB 
[ebuild     U ] sys-fs/udev-114 [104-r12] USE="(-selinux)" 0 kB 
[blocks B     ] <sys-fs/device-mapper-1.02.19-r1 (is blocking sys-fs/udev-114)

Total: 3 packages (3 upgrades, 1 block), Size of downloads: 0 kB
amd1200 jws #