Resolving dependencies... Downloading hmp3-1.3... [1 of 1] Compiling Main ( /tmp/hmp3-1.3-5345/hmp3-1.3/Setup.hs, /tmp/hmp3-1.3-5345/hmp3-1.3/dist/setup/Main.o ) /tmp/hmp3-1.3-5345/hmp3-1.3/Setup.hs:3:29: Warning: In the use of `defaultUserHooks' (imported from Distribution.Simple): Deprecated: "Use simpleUserHooks or autoconfUserHooks, unless you need Cabal-1.2 compatibility in which case you must stick with defaultUserHooks" Linking /tmp/hmp3-1.3-5345/hmp3-1.3/dist/setup/setup ... Warning: defaultUserHooks in Setup script is deprecated. Configuring hmp3-1.3... Warning: No 'build-type' specified. If you do not need a custom Setup.hs or ./configure script then use 'build-type: Simple'. Warning: Instead of 'ghc-options: -Icbits' use 'include-dirs: cbits' checking for mpg321... no checking for mpg123... no configure: error: You need mpg321 or mpg123 installed to run hmp3 Failed to install hmp3-1.3 cabal: Error: some packages failed to install: hmp3-1.3 failed during the configure step. The exception was: ExitFailure 1