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