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[ REQ 6895]: On using -Wall in GCC
I'd like to remind all GNU developers that the GNU Project does not urge or recommend using the GCC -Wall option. When I implemented the -Wall option, I implemented every warning that anyone asked for (if it was possible). I implemented warnings that seemed useful, and warnings that seemed silly, deliberately without judging them, to produce a feature which is at the upper limit of strictness. If you want such strict criteria for your programs, then -Wall is for you. But changing code to avoid them is a lot of work. If you don't feel inclined to do that work, please don't let anyone else pressure you into using -Wall. If people say they would like to use it, you don't have to listen. They're asking you to do a lot of work. If you don't feel it is useful, you don't have to do it. I never use -Wall myself.
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