Tom Browder wrote: > > On Wed, Sep 15, 2010 at 16:12, gagan1 <gagan2172@xxxxxxxxx> wrote: >> >> chaps, >> I am using gcc to compile a old peaice of code. that has >> so >> many header file with >> #ifdef WIN_OS >> slls >> #elseif UNIX_OS >> abs >> #else >> #error missing os > > Without knowing anything else, and assuming you're on some kind of > unixish system, I suggest adding "-DUNIX_OS" to your compile flags. > > HTH > > -Tom > > Thomas M. Browder, Jr. > Niceville, Florida > USA > > Thanks Tom . It works -) -- View this message in context: http://old.nabble.com/compiler-macro-that-define-operating-system-tp29723027p29732912.html Sent from the gcc - Help mailing list archive at Nabble.com.