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

Calculating dependencies ... done!
Dependency resolution took 1.12 s (backtrack: 0/20).

[ebuild  N     ] net-libs/libvncserver-0.9.15-r1::gentoo  USE="24bpp filetransfer ipv6 jpeg png ssl threads zlib -gnutls -lzo -sasl (-systemd) -test" 587 KiB
[ebuild  N     ] dev-libs/libusb-1.0.30:1::gentoo  USE="-debug -doc -examples -static-libs -test -udev -verify-sig" 641 KiB
[ebuild  N     ] virtual/libusb-1-r2:1::gentoo  USE="-udev" 0 KiB
[ebuild  N     ] dev-libs/libusb-compat-0.1.9::gentoo  USE="(split-usr) -debug -examples" 322 KiB
[ebuild  N     ] virtual/libusb-0-r2::gentoo  0 KiB
[ebuild  N     ] dev-libs/libhid-0.2.17-r1::gentoo  USE="-doc" 214 KiB
[ebuild  N     ] app-misc/graphlcd-base-2.0.3-r3::gentoo  USE="fontconfig -freetype -graphicsmagick -imagemagick" LCD_DEVICES="-ax206dpf -picolcd_256x64 -vnc" 525 KiB
[ebuild  N     ] app-misc/glcdprocdriver-0.1.2-r1::gentoo  21 KiB

Total: 8 packages (8 new), Size of downloads: 2308 KiB