Fix a minor build error for old clang compiler · Samsung/walrus@e37486e

rustup is outdated! To avoid broken installations, as soon as possible please run: brew upgrade Or, if you're OK with a less reliable fix: brew upgrade rustup

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

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