It works!!! Thanks for all the assistanace! Here is what worked for me....
git clone https://gitea.wildfiregames.com/0ad/0ad.git $HOME/0ad_gitea
git lfs pull (had to install for my distribution)
libraries/clean-source-libs.sh
libraries/build-source-libs.sh
build/workspaces/update-workspaces.sh
cd build/workspaces/gcc
make config=debug or make config=release