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COMPILER_SETUP.md

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GCC Setup

Table of Contents

  1. Windows
  2. Linux
  3. MacOS
  4. WSL Example

Windows

Install Tdm-gcc via the website. Click Tdm-gcc to download the Windows Tdm-gcc installer.

  • Run the installer.
  • Select create a new install
  • Choose your Architecture and then select Next until complete.
  • Restart your vscode

Important: Tdm-gcc cannot compile projects with 3rd-party dependencies because the packages themselves are missing. If you have 3rd-party dependencies, you must use MSYS2 instead. This will only work on 64-bit Windows.

  • Go to MSYS2 homepage and download the latest installer.
  • Accept the default settings and wait for the program to install
  • Open an MSYS2 terminal and run the following command: pacman -S gcc to install gcc and g++. Warning: pacman only works in the MSYS2 terminal, not in any of the others.
  • Use pacman -Ss to search for any 3rd party dependencies that you need to install, and then with pacman -S.
  • Go to Control Panel > System > Advanced System Settings. On the Advanced tab, select Change Environment Variables, then add the following path to your PATH: C:\msys64\usr\bin
  • Save the settings and restart vscode
  • In the C/C++ Compile Run settings, change "C compiler" to C:\msys64\bin\gcc and "C++ compiler to C:\msys64\bin\g++.

Linux

  • First, check to see whether GCC is already installed. To verify whether it is, open a Terminal window and enter the following command:

    gcc -v

  • If GCC isn't installed, run the following command from the terminal window to update the Ubuntu package lists. An out-of-date Linux distribution can sometimes interfere with attempts to install new packages.

    sudo apt-get update

  • Next install the GNU compiler tools and the GDB debugger with this command:

    sudo apt-get install build-essential gdb

MacOS

  • Ensure Clang is installed

  • Clang may already be installed on your Mac. To verify that it is, open a macOS Terminal window and enter the following command:

    clang --version

  • If Clang isn't installed, enter the following command to install the command line developer tools:

    xcode-select --install

WSL

  • Open the Bash shell for WSL. If you installed an Ubuntu distro, type "Ubuntu" in the Windows search box and then click on it in the result list. For Debian, type "Debian", and so on.

  • The shell appears with a command prompt that by default consists of your user name and computer name, and puts you in your home directory. For Ubuntu it looks like this:

  • Although you will be using VS Code to edit your source code, you'll be compiling the source code on Linux using the gcc or g++ compiler.

  • From the WSL command prompt, first run apt-get update to update the Ubuntu package lists. An out-of-date distro can sometimes interfere with attempts to install new packages.

    sudo apt-get update

  • If you like, you can run sudo apt-get update && sudo apt-get dist-upgrade to also download the latest versions of the system packages, but this can take significantly longer depending on your connection speed.

  • From the command prompt, install the GNU compiler tools by typing:

    sudo apt-get install build-essential gdb