step1、install Xcode
step2、install xcpkg
step3、update xcpkg-formula-repository
xcpkg update
step4、build and install gnu-which
xcpkg install gnu-which
xcpkg formula view gnu-which
{{ formula }}
if the formula of gnu-which dosn't meet your needs, you can edit it ⤵︎
xcpkg formula edit gnu-which
after editing, you may want to rebuild this package ⤵︎
xcpkg install gnu-which