How to install qt4 with home-brew

问题

I'm trying to install LabelImg, but in order to do so I need to install qt4 first because I'm using python 2. All the guides I find tell me to do

brew install qt qt4

But I just get "Error: No formulae found in taps." I also tried

brew install cartr/qt4/qt

But when I went to build LabelImg I get

make: *** [qt4py2] Error 1

I am on the latest version of OSX and I have tried the alternative methods of installing Qt, it seems like it is installed properly, but I can't use it to make anything

回答1:

This Homebrew tap allows you to install Qt4 (and various packages that depend on it) on macOS Sierra and newer. You can install it like this:

brew tap cartr/qt4
brew tap-pin cartr/qt4
brew install qt@4

Source

回答2:

Try this:

brew install cartr/qt4/pyqt@4

来源：https://stackoverflow.com/questions/50442009/how-to-install-qt4-with-home-brew