step1、install Xcode

step2、install xcpkg

step3、update xcpkg-formula-repository

xcpkg update

step4、build and install cjson

xcpkg install cjson

xcpkg formula view cjson

{{ formula }}

if the formula of cjson dosn't meet your needs, you can edit it ⤵︎

xcpkg formula edit cjson

after editing, you may want to rebuild this package ⤵︎

xcpkg install cjson