patch applied (cabal-branches/cabal-1.2): Use -O2 for compiling .c files when we configure --enable-optimization

Thu Oct 11 15:36:07 PDT 2007 Duncan Coutts <duncan@haskell.org> * Use -O2 for compiling .c files when we configure --enable-optimization Seems a reasonable default behaviour. M ./Distribution/Simple/GHC.hs +1