Resolving dependencies...
Configuring const-math-ghc-plugin-0.1.0.0...
Building const-math-ghc-plugin-0.1.0.0...
Preprocessing library const-math-ghc-plugin-0.1.0.0...
[1 of 4] Compiling ConstMath.Rules  ( ConstMath/Rules.hs, dist/build/ConstMath/Rules.o )

ConstMath/Rules.hs:41:45:
    Ambiguous occurrence ‘rationalToFloat’
    It could refer to either ‘ConstMath.Rules.rationalToFloat’,
                             defined at ConstMath/Rules.hs:13:1
                          or ‘GHC.Float.rationalToFloat’,
                             imported from ‘GHC.Float’ at ConstMath/Rules.hs:9:1-16

ConstMath/Rules.hs:42:45:
    Ambiguous occurrence ‘rationalToDouble’
    It could refer to either ‘ConstMath.Rules.rationalToDouble’,
                             defined at ConstMath/Rules.hs:27:1
                          or ‘GHC.Float.rationalToDouble’,
                             imported from ‘GHC.Float’ at ConstMath/Rules.hs:9:1-16
Failed to install const-math-ghc-plugin-0.1.0.0
cabal: Error: some packages failed to install:
const-math-ghc-plugin-0.1.0.0 failed during the building phase. The exception
was:
ExitFailure 1