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