how to compile

got as far as

```
CMake Error at CMakeLists.txt:8 (git_commit_hash):
  Unknown CMake command "git_commit_hash".
```

on debian 11 by doing

  982  sudo apt install build-essential cmake
  988  sudo apt install libcurlpp-dev
  995  sudo apt-get install libssl-dev
  998  sudo apt-get install libcrypto++-dev

but this git_commit_hash i couldn't find anywhere with apt