Thanks John! The information you provided is very helpful! I am using GNU make and I will ask further questions to GNU make maillist. :-) regards, George --- John Love-Jensen <eljay@xxxxxxxxx> wrote: > Hi George, > > > What is the function of gcc/g++ -M option? I have > read > > through the man page but still can not understand. > > Could anyone show me an example please? > > The -M option is used to create a dependency > directed acyclic graph. It is > in Makefile depedency format output of file > prerequisites. > > To see how that is used in conjunction with > Makefiles, look here: > > http://www.gnu.org/software/make/manual/html_node/Automatic-Prerequisites.ht > ml > > If you don't use Makefiles, for example if you are > using Xcode projects, or > if you use certain alternative make systems such as > AT&T Nmake, or you > ascertain dependencies using a truss-like mechanism, > then you needn't bother > with -M. > > HTH, > --Eljay > > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com
