Can't install GDK on Catalina
I assume you're trying to install GIMP (GNU Image Manipulation Program) on macOS Catalina. GIMP uses the GTK (GIMP Toolkit) library for its user interface. Here's how to install GIMP with GTK on macOS Catalina: 1. **Install Xcode Command Line Tools**: Make sure you have Xcode Command Line Tools installed. You can install them using the following command: ``` xcode-select --install ``` 2. **Install Homebrew**: If you don't have Homebrew installed, you can install it by running the following command in your terminal: ``` /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)" ``` 3. **Install XQuartz**: GIMP requires XQuartz, which provides the X Window System for macOS. You can download and install XQuartz from its official website: https://www.xquartz.org/ 4. **Install GIMP with GTK**: Now that you have Homebrew set up, you can install GIMP with GTK support using the following command: ```