official release of the LIGGGHTS® DEM software by DCS Computing. For further info, forums, and bug reports, please visit http://www.cfdem.com. For the DEM software Aspherix® by DCS Computing that replaces LIGGGHTS, please visit https://www.aspherix-dem.com/
To obtain the examples, if you cloned the github repo you already have them, they're in there. You don't need to build them.
Official MPICH Repository
The text in your original post assumes you have are installing MPICH from source following their instructions for some reason. MPICH is also available in the Ubuntu repos.
Updating dependencies is time-consuming.. Solutions like Dependabot or Renovate update but don't merge dependencies. You need to do it manually while it could be fully automated! Add a Merge Queue to your workflow and stop caring about PR management & merging. Try Mergify for free.
How much are you meant to comment on a code?
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