Resolving dependencies...
Downloading ivor-0.1.14...
Configuring ivor-0.1.14...
Building ivor-0.1.14...
Preprocessing library ivor-0.1.14...

Ivor/Shell.lhs:1:18: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead

Ivor/Primitives.lhs:1:18: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead

Ivor/ViewTerm.lhs:1:18: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead

Ivor/ViewTerm.lhs:1:18: Warning:
    -fallow-undecidable-instances is deprecated: use -XUndecidableInstances or pragma {-# LANGUAGE UndecidableInstances #-} instead

Ivor/Equality.lhs:1:18: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead

Ivor/Plugin.lhs:1:18: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead

Ivor/Construction.lhs:1:18: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead

Ivor/Nobby.lhs:1:18: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead

Ivor/TTCore.lhs:1:18: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead

Ivor/Typecheck.lhs:1:18: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead

Ivor/Evaluator.lhs:1:18: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead

Ivor/Gadgets.lhs:1:18: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead

Ivor/Values.lhs:1:18: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead

Ivor/Display.lhs:1:18: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead

Ivor/Unify.lhs:1:18: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead

Ivor/Constant.lhs:1:18: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead

Ivor/Errors.lhs:1:18: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead

Ivor/PatternDefs.lhs:1:18: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead

Ivor/ShellState.lhs:1:18: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead

Ivor/Scopecheck.lhs:1:18: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead

Ivor/PMComp.lhs:1:18: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead

Ivor/TT.lhs:1:1:
    Ambiguous module name `Prelude':
      it was found in multiple packages: base haskell98-2.0.0.2
Failed to install ivor-0.1.14
cabal: Error: some packages failed to install:
ivor-0.1.14 failed during the building phase. The exception was:
ExitFailure 1