Resolving dependencies... Configuring setenv-0.1.1... Building setenv-0.1.1... Preprocessing library setenv-0.1.1... [1 of 1] Compiling System.SetEnv ( src/System/SetEnv.hs, dist/build/System/SetEnv.o ) In-place registering setenv-0.1.1... Running Haddock for setenv-0.1.1... Running hscolour for setenv-0.1.1... Preprocessing library setenv-0.1.1... Preprocessing library setenv-0.1.1... Haddock coverage: 67% ( 2 / 3) in 'System.SetEnv' Documentation created: dist/doc/html/setenv/index.html Installing library in /srv/hackage/var/build/tmp-install/lib/x86_64-linux-ghc-7.6.3/setenv-0.1.1 Registering setenv-0.1.1... Installed setenv-0.1.1 Downloading llvm-general-3.2.6.0... [1 of 1] Compiling Main ( /tmp/llvm-general-3.2.6.0-7325/llvm-general-3.2.6.0/Setup.hs, /tmp/llvm-general-3.2.6.0-7325/llvm-general-3.2.6.0/dist/setup/Main.o ) Linking /tmp/llvm-general-3.2.6.0-7325/llvm-general-3.2.6.0/dist/setup/setup ... setup: The program llvm-config version ==3.2.* is required but the version found at /usr/bin/llvm-config is version 3.0 Failed to install llvm-general-3.2.6.0 cabal: Error: some packages failed to install: llvm-general-3.2.6.0 failed during the configure step. The exception was: ExitFailure 1