Mine

[jason@localhost NetworkManager-vpnc]$ cvc cook NetworkManager-vpnc.recipe
+ Building NetworkManager-vpnc=foresight.rpath.org@fl:desktop
error: Could not find the following troves needed to cook this recipe:
libX11:devel
libXau:devel
libXdmcp:devel
libXext:devel
libXi:devel
libXinerama:devellib
libXrender:devel
libdmx:devel
error: unresolved build dependencies