Nurdan A

> Try install `libelf-dev` or `libelf-devel`. There is only `libelf` package available https://search.nixos.org/packages?channel=22.05&from=0&size=50&sort=relevance&type=packages&query=libelf

Still the same error ``` $ nix-shell -p libbpf bpftool tree clang llvm libelf zlib elfutils [nix-shell:~/libbpf-bootstrap/examples/c]$ make minimal : BINARY minimal /nix/store/frriydwnf7v3dpayy5a6ki00qsp95iiy-binutils-2.38/bin/ld: /nix/store/sfx46bj2lamhqys9d80kbb4qck8qg6y1-libbpf-0.8.1/lib/libbpf.a(usdt.o): in function `usdt_manager_attach_usdt': (.text+0xb7b): undefined reference...

There is error when generating skeleton header now ``` $ nix-shell -p libbpf bpftool tree clang llvm zlib elfutils $ make minimal ... GEN-SKEL .output/minimal.skel.h libbpf: elf: minimal_bpf is not...

> additionally: if I'm not mistaken, this won't generally work for folks unless they've added their team's federated role to the list of roles that are allowed to assume the...

For both receiver and exporter I'd say

From what I understand the latest changes have it fixed? Based on diff ```diff $ git diff v2.2.4 -- src/Database/HaskellDB/BoundedList.hs diff --git a/src/Database/HaskellDB/BoundedList.hs b/src/Database/HaskellDB/BoundedList.hs index 63d05ee..846f68a 100644 --- a/src/Database/HaskellDB/BoundedList.hs +++...

> I suspect haskelldb is effectively unmaintained. You might like to try a library I wrote instead: [Opaleye](https://hackage.haskell.org/package/opaleye). Btw can you generate queries for other databases (MySQL, Redshift) besides PostgreSQL?

For `__init__()` can you tell which class it belongs to?