Flatpak TLS/SSL (gnutls) problem?

[pio2398]

Describe the bug

I installed GameHub flatpak but when I try connect to got error:

/lib/libc.so.6: version `GLIBC_2.25' not found (required by /nix/store/624yy06ykz4wfn7n8msqmhbl5hsiizjw-gnutls-3.6.11.1/lib/libidinous.so.30)
Failed to load module: /nix/store/lknqs5q1nsvn9j79467yjwxcapcqicmz-glib-networking-2.60.3/lib/gio/modules/libgiognutls.so

I don't have this problem on Arch so it is probably NixOS Flatpak package problem.

To Reproduce
Steps to reproduce the behavior:

1. Install Flapak
2. Install last GameHub flatpak from https://github.com/tkashkin/GameHub/releases (I used 0.15.0-18-dev )
3. Try use GOG Connect

Expected behavior

Should load GOG logging screen.

Screenshots
If applicable, add screenshots to help explain your problem.

Additional context
Add any other context about the problem here.

Metadata
Please run nix run nixpkgs.nix-info -c nix-info -m and paste the result.
nix-shell -p 'nix-info' --run 'nix-info -m' ''

• system: "x86_64-linux"
• host os: Linux 5.4.6, NixOS, 19.09.1748.ad1e1af5ad3 (Loris)
• multi-user?: yes
• sandbox: yes
• version: nix-env (Nix) 2.3.1
• channels(root): "nixos-19.09.1748.ad1e1af5ad3"
• channels(piotrek): "home-manager, nixos_unstable-20.03pre207234.ec29bb50bf4"
• nixpkgs: /nix/var/nix/profiles/per-user/root/channels/nixos

Maintainer information:

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

[matthewbauer]

Does the flatpak contain a libgiognutls.so?

[pio2398]

I don't see it. Probably app is broken and using lib from system. Sorry for problem.

[matthewbauer]

It is surprising it would work on Arch given they're probably on the same Glibc version as us.

[pio2398]

I reported problem to package creator her tkashkin/GameHub#332. But for now it seem to not be a NixOS flatpak problem.

[matthewbauer]

You may also want to try unsetting XDG_DATA_DIRS, LD_LIBRARY_PATH, or GIO_EXTRA_MODULES.

[pio2398]

export XDG_DATA_DIRS =
export LD_LIBRARY_PATH =
export GIO_EXTRA_MODULES =
Don't solve this problem.
Maybe filesystem=host on flatpak manifest is source of problem?