Resolving dependencies...
Downloading hasim-0.1.1...
Configuring hasim-0.1.1...
Building hasim-0.1.1...
Preprocessing library hasim-0.1.1...

src/Control/Hasim/Process.hs:1:12: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead

src/Control/Hasim/SimRun.hs:1:12: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead

src/Control/Hasim/Simulation.hs:1:12: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead
[1 of 8] Compiling Control.Hasim.Types ( src/Control/Hasim/Types.hs, dist/build/Control/Hasim/Types.o )
[2 of 8] Compiling Control.Hasim.Process ( src/Control/Hasim/Process.hs, dist/build/Control/Hasim/Process.o )

src/Control/Hasim/Process.hs:155:1:
    Illegal generalised algebraic data declaration for `PrimAction'
      (Use -XGADTs to allow GADTs)
    In the data declaration for `PrimAction'
Failed to install hasim-0.1.1
cabal: Error: some packages failed to install:
hasim-0.1.1 failed during the building phase. The exception was:
ExitFailure 1