Resolving dependencies...
Configuring hpp-0.1.0.0...
Building hpp-0.1.0.0...
Preprocessing library hpp-0.1.0.0...
[1 of 8] Compiling Hpp.Tokens       ( src/Hpp/Tokens.hs, dist/build/Hpp/Tokens.o )
[2 of 8] Compiling Hpp.String       ( src/Hpp/String.hs, dist/build/Hpp/String.o )
[3 of 8] Compiling Hpp.Expr         ( src/Hpp/Expr.hs, dist/build/Hpp/Expr.o )
[4 of 8] Compiling Hpp.Config       ( src/Hpp/Config.hs, dist/build/Hpp/Config.o )

src/Hpp/Config.hs:40:17: Not in scope: ‘pure’

src/Hpp/Config.hs:40:33: Not in scope: ‘pure’

src/Hpp/Config.hs:40:46: Not in scope: ‘pure’

src/Hpp/Config.hs:40:65: Not in scope: ‘pure’

src/Hpp/Config.hs:41:17: Not in scope: ‘pure’

src/Hpp/Config.hs:41:35: Not in scope: ‘pure’

src/Hpp/Config.hs:41:48: Not in scope: ‘pure’

src/Hpp/Config.hs:77:42: Not in scope: ‘defaultTimeLocale’

src/Hpp/Config.hs:81:42: Not in scope: ‘defaultTimeLocale’
Failed to install hpp-0.1.0.0
cabal: Error: some packages failed to install:
hpp-0.1.0.0 failed during the building phase. The exception was:
ExitFailure 1