I am in my yearly fightto get a working combination of operating system (Snow Leopard), compiler version (6.12) , wxWidgets and wxHaskell on my Mac . After deleting most of my stuff, starting afresh, hours of building using macports etc. I finally get the message: loeki:Opgave doaitse$ ghc --make Turtle.hs [1 of 1] Compiling Main ( Turtle.hs, Turtle.o ) Linking Turtle ... Undefined symbols: "_iconv_open", referenced from: _hs_iconv_open in libHSbase-4.2.0.2.a(iconv.o) (maybe you meant: _hs_iconv_open) "_iconv", referenced from: _hs_iconv in libHSbase-4.2.0.2.a(iconv.o) (maybe you meant: _hs_iconv_open, _hs_iconv , _hs_iconv_close ) "_iconv_close", referenced from: _hs_iconv_close in libHSbase-4.2.0.2.a(iconv.o) (maybe you meant: _hs_iconv_close) ld: symbol(s) not found collect2: ld returned 1 exit status loeki:Opgave doaitse$ Some Googling showed me that the same problem has shown up with Yi, The solution however is not there. Can someone enlighten me. Doaitse