bkp09.bkp:1:26: warning:
    -XDatatypeContexts is deprecated: It was widely considered a misfeature, and has been removed from the Haskell language.
[1 of 5] Processing p
  [1 of 1] Compiling H[sig]           ( p/H.hsig, nothing )
[2 of 5] Processing q
  [1 of 1] Compiling H[sig]           ( q/H.hsig, nothing )
[3 of 5] Processing r
  [1 of 2] Compiling H[sig]           ( r/H.hsig, nothing )
  [2 of 2] Compiling M                ( r/M.hs, nothing )
[4 of 5] Processing h-impl
  Instantiating h-impl
  [1 of 1] Compiling H                ( h-impl/H.hs, bkp09.out/h-impl/H.o )
[5 of 5] Processing s
  Instantiating s
  [1 of 2] Including h-impl
  [2 of 2] Including r[H=h-impl:H]
    Instantiating r[H=h-impl:H]
    [1 of 2] Including p[H=h-impl:H]
      Instantiating p[H=h-impl:H]
      [1 of 1] Compiling H[sig]           ( p/H.hsig, bkp09.out/p/p-5FYQgnNkfSvBT5yogOxPpf/H.o )
    [2 of 2] Including q[H=h-impl:H]
      Instantiating q[H=h-impl:H]
      [1 of 1] Compiling H[sig]           ( q/H.hsig, bkp09.out/q/q-5FYQgnNkfSvBT5yogOxPpf/H.o )
    [1 of 2] Compiling H[sig]           ( r/H.hsig, bkp09.out/r/r-5FYQgnNkfSvBT5yogOxPpf/H.o )
    [2 of 2] Compiling M                ( r/M.hs, bkp09.out/r/r-5FYQgnNkfSvBT5yogOxPpf/M.o )