Use ghc return value instead of looking for the stderr, do not throw error when an haskell module throws a build failure, e.g. because of false positives like this one (debian/arm*) "You are using a new version of LLVM that hasn't been tested yet! We will try though..."

find_package(SDL REQUIRED)

include_directories(${SDL_INCLUDE_DIR})

add_library (SDLmain STATIC SDLMain.m)