add -Wextra to cflags, fix keyboard controls not working, lots of ref… #30

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Treating cmake as a formula. For the cask, use homebrew/cask/cmake or specify the `--cask` flag.

cmake 3.30.2 is already installed and up-to-date. To reinstall 3.30.2, run: brew reinstall cmake

pkg-config 0.29.2_3 is already installed and up-to-date. To reinstall 0.29.2_3, run: brew reinstall pkg-config

autoconf 2.72 is already installed and up-to-date. To reinstall 2.72, run: brew reinstall autoconf

libtool 2.4.7 is already installed and up-to-date. To reinstall 2.4.7, run: brew reinstall libtool