How do I enable compiler warnings?
For gcc and clang users: Add -Wall -Wextra to your compilation flags. Other useful options include: -Werror: treats warnings as if they were errors -pedantic: generates warnings if you use any language extensions -Wno-x: disables warning x, e.g if the compiler gives you a -Wunused-variable warning, you can turn it off with -Wno-unused-variable (Note that, contrary to what the name -Wall may imply, this does not enable all warnings, but it does enable most of the important ones....