Even when you do have a good reason to ignore them, you should still either disable that specific type of warning or, better yet, disable that specific warning

Even when you do have a good reason to ignore them, you should still either disable that specific type of warning or, better yet, disable that specific warning for that specific spot in code using gcc's diagnostic pragmas [1]. [1] http://gcc.gnu.org/onlinedocs/gcc-4.3.3/gcc/Diagnostic-Pragmas.html#Diagnostic-Pragmas http://gcc.gnu.org/onlinedocs/gcc-4.3.3/gcc/Diagnostic-Pragm...