patch applied (cabal): Also check compiling C headers at configure-time

Wed Apr 14 23:36:57 PDT 2010 Duncan Coutts * Also check compiling C headers at configure-time So we now both check if the headers can be pre-processed and separately if they can be compiled. If it fails the pre-processing check then it is usually (but not always) a missing header. If it fails to compile then it is definately borked, not missing. Error messages reflect this. M ./Distribution/Simple/Configure.hs -41 +61 View patch online: http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=cabal;a=darcs_commitdiff;h=2...