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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
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To configure the Qt library for your machine type, run the ./configure script in the package directory. By default, Qt is configured for installation in the /usr/local/Trolltech/Qt-4.8. 5 directory, but this can be changed by using the -prefix option. Type ./configure -help to get a list of all available options.
By default, Qt will build for the architecture of your development machine - either x86_64 , or arm64 if you are on an Apple Silicon Mac.
Download the Qt installer from its official download site at https://www.qt.io/download-qt-installer. The site should detect that your computer is running macOS and recommend "Qt Online Installer for macOS". Click the green "Download" button to download the installer to your Downloads folder.
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
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Try this:
brew install cartr/qt4/pyqt@4
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