How to Install GCC on Your Mac

GCC, GNU Compiler Collection, is a collection of compilers and related tools for compiling and running programs written in various programming languages, including C, C++, Objective-C, Fortran, Go, D, Ada, and others. It is an open-source project. Your Mac does not come with GCC, but you can install it easily by following the steps below.

Requirements for installing GCC

1. Command Line Tools for Xcode (The first step below involves installing this. If you already have it, you can skip this step.)
2. Homebrew (The second step below describes installing Homebrew. If you already have Homebrew installed, skip the second step.)
3. The most recent macOS version and an Internet connection, as GCC will be downloaded over the Internet

Install GCC

I explain this in three steps. The first step is to install Command Line Tools, the second is to install Homebrew, and the third is to install GCC.

1. Open Terminal and enter the following command to install Command Line Tools:

xcode-select --install

2. Now, let’s install Homebrew by executing the following command:

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

3. Now, it is time to install GCC. Type the following command and hit enter. Please note that several things will be downloaded and installed, so this can take some time:

brew install gcc

Now that you have installed GCC, you will see the following screen:

If you want to be sure that the installation was successful, enter the following command:

gcc --version

If you want to uninstall GCC later to free up storage, you can use the following code:

brew uninstall gcc

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