step1、install Xcode

step2、install xcpkg

step3、update xcpkg-formula-repository

xcpkg update

step4、build and install speexdsp

xcpkg install speexdsp

xcpkg formula view speexdsp

{{ formula }}

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

xcpkg formula edit speexdsp

after editing, you may want to rebuild this package ⤵︎

xcpkg install speexdsp