The current FlightGear expression doesn't work: bash$ nix-build -A flightgear /nix/store/3c47sibzb9h1vhnn0gnh692hkpjc5p5v-flightgear-2.10.0 bash$ ./result/bin/fgfs ERROR: The path '/nix/store/3c47sibzb9h1vhnn0gnh692hkpjc5p5v-flightgear-2.10.0/lib/FlightGear' does not exist in the file system. Base package check failed: Version [none] found at: /nix/store/3c47sibzb9h1vhnn0gnh692hkpjc5p5v-flightgear-2.10.0/lib/FlightGear Version 2.10.0 is required. Please upgrade/downgrade base package and set the path to your fgdata with --fg-root=path_to_your_fgdata We could probably make the 2.10.0 version run, but I had already upgraded it to 2.12.0 before I made it work. It seems only the data dir configuration was wrong/missing: FG_DATA_DIR="$out/share/FlightGear/". Simgear must be in version sync with flightgear, hence the upgrade. Most of the diff is because I rewrote the flightgear expression to what I think is the "new style". I wanted to add a preConfigure phase but didn't understand why this expression had custom phases. So I just rewrote the whole thing to something I consider more readable. |
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