gistfile1.txt

$ cabal install hspec --reinstall
Resolving dependencies...
In order, the following will be installed:
hspec-1.9.2 (reinstall) changes: directory-1.2.1.0 added, filepath-1.3.0.2
added
Warning: Note that reinstalls are always dangerous. Continuing anyway...
Downloading hspec-1.9.2...
Configuring hspec-1.9.2...
Building hspec-1.9.2...
Preprocessing library hspec-1.9.2...
[ 1 of 17] Compiling Test.Hspec.Timer ( src/Test/Hspec/Timer.hs, dist/build/Test/Hspec/Timer.o )
[ 2 of 17] Compiling Test.Hspec.Compat ( src/Test/Hspec/Compat.hs, dist/build/Test/Hspec/Compat.o )
[ 3 of 17] Compiling Test.Hspec.Util  ( src/Test/Hspec/Util.hs, dist/build/Test/Hspec/Util.o )
[ 4 of 17] Compiling Test.Hspec.Core.QuickCheckUtil ( src/Test/Hspec/Core/QuickCheckUtil.hs, dist/build/Test/Hspec/Core/QuickCheckUtil.o )
[ 5 of 17] Compiling Test.Hspec.FailureReport ( src/Test/Hspec/FailureReport.hs, dist/build/Test/Hspec/FailureReport.o )
[ 6 of 17] Compiling Test.Hspec.Core.Type ( src/Test/Hspec/Core/Type.hs, dist/build/Test/Hspec/Core/Type.o )
[ 7 of 17] Compiling Test.Hspec.HUnit ( src/Test/Hspec/HUnit.hs, dist/build/Test/Hspec/HUnit.o )
[ 8 of 17] Compiling Test.Hspec.Formatters.Internal ( src/Test/Hspec/Formatters/Internal.hs, dist/build/Test/Hspec/Formatters/Internal.o )
[ 9 of 17] Compiling Test.Hspec.Formatters ( src/Test/Hspec/Formatters.hs, dist/build/Test/Hspec/Formatters.o )
[10 of 17] Compiling Test.Hspec.Options ( src/Test/Hspec/Options.hs, dist/build/Test/Hspec/Options.o )
[11 of 17] Compiling Test.Hspec.Config ( src/Test/Hspec/Config.hs, dist/build/Test/Hspec/Config.o )
[12 of 17] Compiling Test.Hspec.Runner.Eval ( src/Test/Hspec/Runner/Eval.hs, dist/build/Test/Hspec/Runner/Eval.o )
[13 of 17] Compiling Test.Hspec.Runner ( src/Test/Hspec/Runner.hs, dist/build/Test/Hspec/Runner.o )
[14 of 17] Compiling Test.Hspec.Core  ( src/Test/Hspec/Core.hs, dist/build/Test/Hspec/Core.o )
[15 of 17] Compiling Test.Hspec       ( src/Test/Hspec.hs, dist/build/Test/Hspec.o )
[16 of 17] Compiling Test.Hspec.Monadic ( src/Test/Hspec/Monadic.hs, dist/build/Test/Hspec/Monadic.o )
[17 of 17] Compiling Test.Hspec.QuickCheck ( src/Test/Hspec/QuickCheck.hs, dist/build/Test/Hspec/QuickCheck.o )
ld: library not found for -lHSsetenv-0.1.1.1-ghc7.8.1
clang: error: linker command failed with exit code 1 (use -v to see invocation)
Failed to install hspec-1.9.2
cabal: Error: some packages failed to install:
hspec-1.9.2 failed during the building phase. The exception was:
ExitFailure 1

$