Resolving dependencies...
cabal: Could not resolve dependencies:
trying: base-4.9.0.0/installed-4.9... (dependency of
happstack-foundation-0.2.1)
trying: hsx-0.10.5 (dependency of web-routes-hsp-0.23.0)
next goal: haskell-src-exts (dependency of hsx-0.10.5)
rejecting: haskell-src-exts-1.19.1, haskell-src-exts-1.19.0,
haskell-src-exts-1.18.2, haskell-src-exts-1.18.1, haskell-src-exts-1.18.0,
haskell-src-exts-1.17.1, haskell-src-exts-1.17.0, haskell-src-exts-1.16.0.1,
haskell-src-exts-1.16.0, haskell-src-exts-1.15.0.1, haskell-src-exts-1.15.0,
haskell-src-exts-1.14.0.1, haskell-src-exts-1.14.0 (conflict: hsx =>
haskell-src-exts>=1.13 && <1.14)
rejecting: haskell-src-exts-1.13.5, haskell-src-exts-1.13.4,
haskell-src-exts-1.13.3, haskell-src-exts-1.13.2, haskell-src-exts-1.13.1,
haskell-src-exts-1.13.0 (conflict: base==4.9.0.0/installed-4.9...,
haskell-src-exts => base>=4 && <4.8 || >=3 && <4)
rejecting: haskell-src-exts-1.12.0, haskell-src-exts-1.11.1,
haskell-src-exts-1.10.2, haskell-src-exts-1.10.1, haskell-src-exts-1.10.0,
haskell-src-exts-1.9.6, haskell-src-exts-1.9.5, haskell-src-exts-1.9.4,
haskell-src-exts-1.9.3, haskell-src-exts-1.9.0, haskell-src-exts-1.8.2,
haskell-src-exts-1.8.1, haskell-src-exts-1.8.0, haskell-src-exts-1.7.2,
haskell-src-exts-1.7.1, haskell-src-exts-1.7.0, haskell-src-exts-1.6.1,
haskell-src-exts-1.6.0, haskell-src-exts-1.5.3, haskell-src-exts-1.5.2,
haskell-src-exts-1.5.1, haskell-src-exts-1.5.0, haskell-src-exts-1.4.0,
haskell-src-exts-1.3.5, haskell-src-exts-1.3.4, haskell-src-exts-1.3.3,
haskell-src-exts-1.3.2, haskell-src-exts-1.3.1, haskell-src-exts-1.3.0,
haskell-src-exts-1.2.0, haskell-src-exts-1.1.4, haskell-src-exts-1.1.3.1,
haskell-src-exts-1.1.3, haskell-src-exts-1.1.1, haskell-src-exts-1.1.0,
haskell-src-exts-1.0.1, haskell-src-exts-1.0.0, haskell-src-exts-0.5.7,
haskell-src-exts-0.5.6, haskell-src-exts-0.5.5, haskell-src-exts-0.5.4,
haskell-src-exts-0.5.3, haskell-src-exts-0.5.2, haskell-src-exts-0.4.8,
haskell-src-exts-0.4.6, haskell-src-exts-0.4.5, haskell-src-exts-0.4.4.1,
haskell-src-exts-0.4.4, haskell-src-exts-0.4.3.1, haskell-src-exts-0.4.3,
haskell-src-exts-0.4.2, haskell-src-exts-0.4.1, haskell-src-exts-0.3.12,
haskell-src-exts-0.3.11, haskell-src-exts-0.3.10, haskell-src-exts-0.3.9,
haskell-src-exts-0.3.7, haskell-src-exts-0.3.5, haskell-src-exts-0.3.4,
haskell-src-exts-0.3.3, haskell-src-exts-0.3.2, haskell-src-exts-0.2.1
(conflict: hsx => haskell-src-exts>=1.13 && <1.14)
Backjump limit reached (currently 2000, change with --max-backjumps or try to
run with --reorder-goals).