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Nix: add info on stacktraces

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Mihai Fufezan 2024-11-07 16:14:50 +02:00
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16
pages/Nix/Contributing and Debugging.md
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@ -41,6 +41,22 @@ Run `nix develop` first, then follow the
[Building with ASan](https://wiki.hyprland.org/Crashes-and-Bugs/#building-the-wayland-stack-with-asan)
guide.
## Getting a debug stacktrace
Debug stacktraces provide useful info on why a program crashed. To get proper
stacktraces from Hyprland, make sure it was [built in debug mode](#build-in-debug-mode).
After a crash, perform the following steps:
```sh
nix shell nixpkgs#gdb # get gdb temporarily
coredumpctl # check the PID of the recent crash
coredumpctl debug <PID> # using the PID found in the previous step
```
The rest of the process is the same as
[here](../../Crashes-and-Bugs#obtaining-a-debug-stacktrace), from step 3 onwards.
## Manual building
Nix works differently than other build systems, so it has its own abstractions