Clone the sources with
git clone --recursive http://git.aasimon.org/munia.git
Then prepare the sources with
cd munia ./autogen.sh
sudo apt install libwebsockets-dev
brew install libwebsockets
./configure --prefix=$PWD/install
this will install the binaries and webservice source files (html, css and js) in a subfolder to the source directory called install.
make -j8 install
After this step muniad is ready to run. See how to run it here.