step1、install Xcode

step2、install xcpkg

step3、update xcpkg-formula-repository

xcpkg update

step4、build and install libidn2

xcpkg install libidn2

xcpkg formula view libidn2

{{ formula }}

if the formula of libidn2 dosn't meet your needs, you can edit it ⤵︎

xcpkg formula edit libidn2

after editing, you may want to rebuild this package ⤵︎

xcpkg install libidn2