Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: LambdaHack (user goal)
rejecting: LambdaHack-0.5.0.0, 0.4.101.1, 0.4.101.0, 0.4.100.0, 0.4.99.0,
0.4.9.0, 0.2.14, 0.2.12, 0.2.10.6, 0.2.10.5, 0.2.10, 0.2.8, 0.2.6.5, 0.2.6,
0.2.1, 0.2.0, 0.1.20110918 (global constraint requires ==0.1.20110117)
trying: LambdaHack-0.1.20110117
trying: base-4.8.1.0/installed-4f7... (dependency of LambdaHack-0.1.20110117)
next goal: filepath (dependency of LambdaHack-0.1.20110117)
rejecting: filepath-1.4.0.0/installed-8fe..., 1.4.0.0, 1.3.0.2, 1.3.0.1,
1.3.0.0, 1.2.0.1, 1.2.0.0 (conflict: LambdaHack => filepath>=1.1.0.3 && <1.2)
trying: filepath-1.1.0.4
next goal: directory (dependency of LambdaHack-0.1.20110117)
rejecting: directory-1.2.2.0/installed-258... (conflict: filepath==1.1.0.4,
directory => filepath==1.4.0.0/installed-8fe...)
rejecting: directory-1.2.4.0, 1.2.3.1, 1.2.3.0, 1.2.2.1, 1.2.2.0 (conflict:
filepath==1.1.0.4, directory => filepath>=1.3 && <1.5)
rejecting: directory-1.2.1.0 (conflict: base==4.8.1.0/installed-4f7...,
directory => base>=4.5 && <4.8)
rejecting: directory-1.2.0.1 (conflict: base==4.8.1.0/installed-4f7...,
directory => base>=4.2 && <4.7)
rejecting: directory-1.2.0.0 (conflict: base==4.8.1.0/installed-4f7...,
directory => base>=4.6 && <4.7)
rejecting: directory-1.1.0.2 (conflict: base==4.8.1.0/installed-4f7...,
directory => base>=4.4 && <4.6)
rejecting: directory-1.1.0.1 (conflict: base==4.8.1.0/installed-4f7...,
directory => base>=4.2 && <4.5)
rejecting: directory-1.1.0.0, 1.0.1.2 (conflict:
base==4.8.1.0/installed-4f7..., directory => base>=4.2 && <4.4)
rejecting: directory-1.0.1.1, 1.0.1.0 (conflict:
base==4.8.1.0/installed-4f7..., directory => base>=4.1 && <4.3)
rejecting: directory-1.0.0.3, 1.0.0.0 (conflict:
base==4.8.1.0/installed-4f7..., directory => base<4.3)
Dependency tree exhaustively searched.