https://gcc.gnu.org/bugzilla/show_bug.cgi?id=28901
--- Comment #22 from Chen Gang <gang.chen.5i5j at gmail dot com> --- (In reply to Mark Wielaard from comment #21) [...] > Although in C a static const is not really like a #define I suspect that > there are cases where they are used as such in header files. If that is the > major reason for why there are people opposed to the warning then what we > could do is hide such (non-)usage of static const variables from header > files behind -Wextra and only explicitly warn for static const variable > defined (and then not used) in the main file. > For me, what you said above sounds reasonable. :-)
