Resolving dependencies...
Downloading xilinx-lava-4.0...
Configuring xilinx-lava-4.0...
Building xilinx-lava-4.0...
Preprocessing library xilinx-lava-4.0...

Lava/Utils.hs:1:12: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead

Lava/COmega.hs:8:8:
    Could not find module `Lava.COmega.Lava2COmega'
    Use -v to see a list of the files searched for.
Failed to install xilinx-lava-4.0
cabal: Error: some packages failed to install:
xilinx-lava-4.0 failed during the building phase. The exception was:
ExitFailure 1