【随時更新】brew doctorでWarning: xxxxxxx.と表示された時の処方箋 - Qiita

Warning: You have unlinked kegs in your Cellar. Leaving kegs unlinked can lead to build-trouble and cause brews that depend on those kegs to fail to run properly once built. Run `brew link` on these: r gcc@8 Warning: Broken symlinks were found. Remove them with `brew cleanup`: /usr/local/bin/c++-8 /usr/local/bin/cpp-8 /usr/local/bin/g++ /usr/local/bin/g++-8 /usr/local/bin/gcc /usr/local/bin/gcc-8