haskell - Can't install happy for gtk2hs-buildtools for lambdacat -

So I wanted to build to win.

can not be happy (it is on the instructions) Here is a log on Windows:

  C: \ Program Files \ Haskell platform \ lambdacat> Settle dependency dependent ... [1 of 1] Main collection (C: \ Users \ MyUser \ AppData \ Local \ Temporary \ h appy-1.18.6896 \ happy -1.18.6 \ Setup.lhs, C: \ Users \ \ Happy -1.18.6896 \ Happy -1.18.6 \ District MyUSER.BAC \ AppData \ Local \ Temporary \ Setup \ Main.o) C: \ Users \ MyUSER.BAC \ AppData \ Local \ Temporary \ Happy-I.1.18 .6896 \ happy -1.18.6 \ Setup.lhs: 06:52: Warning: 'buildVerbose in use' (import from Distribution.Simple.Setup): Deprecated: "Use buildVerbosity instead" C: \ Users \ MyUSER.BAC \ AppData \ Local \ Temporary \ Happy -1.18.6896 \ happy -1.18.6 \ Setup.lhs: 7: 52: Warning: Use 'defaultUserHooks' (import from Distribution.Simple): Deprecated: "U Yoga SimpleUserHooks or autoconfUserHooks, as long as you n eed Kabal-1.2 compatibility, in which case you should stay with defaultUserHooks "Link C: \ Users \ MyUSER.BAC \ AppData \ Local \ Temp \ happy-1.18.6896 \ happy-1.18. 6 \ di st \ setup \ setup.exe ... WARNING: The default setup script has the user hook. Configuring Happy-1.18.6 ... setup.exe: Program Perl is required, but could not be found. Cabal: Error: Some packages failed to install: Failed during the configured phase -1.18.6 failed. The exception was: ExitFailure 1   
 When I tried to install lambdacat directly I got very bad log end  
  Kabbal: error: installing some packages During the failed configuration phase, Cairo-0.12.0 failed. The exception was: ExitFailure 1 depends on gio-0.12.0 glib-0.12.0 which failed to install. Glade-0.12.0 depends on glib-0.12.0 which failed to install. Glib-0.12.0 failed during configuring phase The exception was: ExitFailure 1 depends on gtk-0.12.0 glib-0.12.0 which failed to install. Lambdacat-0.1.1 relies on network -2.2.1.10 which failed to install Network -2.2.1.10 failed during the configuration phase. The exception was: ExitFailure 1 depends on pango-0.12.0 glib-0.12.0 which failed to install. WebKit-0.12.1 depends on glib-0.12.0 which failed to install.    
 
 
  setup.exe: program perl is required, but it can not be found it.   
 You need to install Perl ActiveState has a distribution for Windows.