That is too bad for me. So let me make the conclusion. We have no solution for it , I mean dumping info, like a unique 'id' for each warning message from GCC, at least for now. Thanks for all your help. 2012/11/19 Ian Lance Taylor <iant@xxxxxxxxxx> > > On Sun, Nov 18, 2012 at 1:39 AM, Xiaopi Liu <liuxiaopi349@xxxxxxxxx> wrote: > > Excuse me for the mis-operation. It is the first time to ask question here. > > When I said a unique id corresponding to a warning message, I actually > > refer to some other compiler, like intel compiler. > > The warning/remark reported in compiling by using intel compiler has a > > corresponding id (a number) for that message. > > > > > > For GCC, I am now trying to use -fdiagnostics-show-option to show the > > diagnostics which can be used to disable that kind of warning message. > > I mean I can use Wunused-parameter as unique "id" (not necessarily a number) > > for the following kind of message. > > main.cpp:7: warning: unused parameter ‘argc’ [-Wunused-parameter] > > > > > > I assume that each warning message by GCC can be turned off its > > corresponding unique diagnostics, and so uniquely identified by that > > diagnostics. > > Do you agree with this? > > I think that would be nice, but it turns out not to be the case. A > single GCC warning option may control many options, so the option name > is not unique. Many GCC warning options are not controlled by any > option, so the option name is not comprehensive. > > Ian -- Best wishes! Sincerely yours, Xiaopi LIU
