Notepadqq requires at least version 5.x of qt, along with QtWebEngine to compile. The easiest way to download and install the required dependencies is through Homebrew:

1. Install Homebrew following the instructions on their website, if you do not already have it.
2. Open a terminal and install the dependencies with the brew command:

brew install qt uchardet pkg-config

3. Add qt's executables to your $PATH:

echo 'export PATH="/usr/local/Cellar/qt/<version>/bin:$PATH"' >> ~/.bash_profile

where you should replace <version> with the version of Qt that you just installed, for example "5.11.1".

4. Open a new terminal session so that the system variable change takes effect.

1. Grab the newest source code zip from the releases page or clone the git repository for a bleeding edge build.
2. cd into the directory in your favourite terminal app
3. Run the configure script:

./configure

The script should find successfully all the required qt libraries and generate a Makefile. If the script says "Not Found" for any of the required libraries, please make sure that you have linked the qt libraries into your $PATH through the above described brew command.

4. Compile it!

make

5. Notepadqq should successfully compile, and the compiled .app can be found in notepadqq-x.x.x/out/release/notepadqq.app. You can copy the notepadqq.app file into your Applications directory, and you are all good to go!

Make sure uchardet is installed from brew, then add path /usr/local/bin at the end of the PATH environment variable in the project build configuration.

(Authored by Meissa)