Describe the bug
When instantiated with abiVersion="5" the ncurses derivation creates a symlink from libtinfo.so to libncursesw.so. This is not a robust way to produce an ABI compatibility wrapper since the soname will be ncurses rather than tinfo as expected. This results in issues like #85924, where the dynamic linker notices the inconsistency and fails.

To Reproduce

See #85924 for one manifestation of this issue.

Expected behavior
libtinfo.so can be loaded without any trouble.

Notify maintainers

@OmnipotentEntity @Mic92 @matthewbauer @Ericson2314 @andrew-d

Metadata
Please run nix-shell -p nix-info --run "nix-info -m" and paste the result.

Maintainer information:

# a list of nixpkgs attributes affected by the problem
attribute:
# a list of nixos modules affected by the problem
module: