On Linux and WSL2, extra dependencies are required to build, which can be installed with the following command:

sudo apt install libwayland-dev libxkbcommon-dev xorg-dev

To install the FreeType library on Linux and WSL2, use the following command:

sudo apt install libfreetype-dev

Windows:
On Windows, use the following command in a Msys2-UCRT terminal.

pacman -S mingw-w64-ucrt-x86_64-freetype

To install OpenCV for Ubuntu, use the following command and it should be ready to go. This is something that will make working on Windows more difficult as enabling camera access for WSL is difficult.

sudo apt install libopencv-dev

Windows:
On Windows, use the following command in a Msys2-UCRT terminal.

pacman -S mingw-w64-ucrt-x86_64-opencv