L.S., I am trying to install SDL, but I get error messages about multiple definition of `main'; before I spend many hours of debugging, does anybody know why this happens? See the log below. Regards, Henk-Jan van Tuyl C:\Programs\Haskell\Libs\SDL-0.5.5>runhaskell Setup configure --extra-include-dirs=C:\Programs\MSYS\1.0\include\SDL Setup.lhs:2:2: 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" Warning: defaultUserHooks in Setup script is deprecated. Configuring SDL-0.5.5... checking for sdl-config... /usr/bin/sdl-config configure: creating ./config.status config.status: creating config.mk config.status: creating SDL.buildinfo config.status: creating includes/HsSDLConfig.h config.status: includes/HsSDLConfig.h is unchanged C:\Programs\Haskell\Libs\SDL-0.5.5>runhaskell Setup build Setup.lhs:2:2: 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" Preprocessing library SDL-0.5.5... dist\build\Graphics\UI\SDL\General_hsc_make.o:General_hsc_make.c:(.text+0x0): multiple definition of `main' C:\Programs\ghc\ghc-6.10.4/gcc-lib/libmingw32.a(main.o):main.c:(.text+0x0): first defined here C:/Programs/MinGW/lib/libSDLmain.a(SDL_win32_main.o): In function `console_main': /Users/hercules/trunk/SDL-1.2/./src/main/win32/SDL_win32_main.c:246: undefined reference to `SDL_main' collect2: ld returned 1 exit status linking dist\build\Graphics\UI\SDL\General_hsc_make.o failed command was: C:\Programs\ghc\ghc-6.10.4\gcc.exe -BC:\Programs\ghc\ghc-6.10.4\gcc-lib -IC:\Programs\ghc\ghc-6.10.4\include\mingw -lSDL -L/usr/lib -lmingw32 -lSDLmain -lSDL -mwindows -LC:\Programs\ghc\ghc-6.10.4\base-4.1.0.0 -lwsock32 -luser32 -lshell32 -LC:\Programs\ghc\ghc-6.10.4\integer-0.1.0.1 -LC :\Programs\ghc\ghc-6.10.4\ghc-prim-0.1.0.0 -LC:\Programs\ghc\ghc-6.10.4 -LC:\Programs\ghc\ghc-6.10.4/gcc-lib -lm -lffi -lgmp -lwsock32 dist\build\Graphics\UI\SDL\General_hsc_make.o -o dist\build\Graphics\UI\SDL\General_hsc_make.exe --