step1、install Xcode

step2、install xcpkg

step3、update xcpkg-formula-repository

xcpkg update

step4、build and install lodepng

xcpkg install lodepng

xcpkg formula view lodepng

{{ formula }}

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

xcpkg formula edit lodepng

after editing, you may want to rebuild this package ⤵︎

xcpkg install lodepng