• built on NixOS
• /nix/store/q2l9cx30kq8g35b4a9w1i384gsw08qnz-libqalculate-2.8.2/bin/qalc passed the binary check.
• 1 of 1 passed binary check by having a zero exit code.
• 1 of 1 passed binary check by having the new version present in output.
• found 2.8.2 with grep in /nix/store/q2l9cx30kq8g35b4a9w1i384gsw08qnz-libqalculate-2.8.2
• directory tree listing: https://gist.github.com/9c836cfbf2e2d78ebab0fe44358feb46
• du listing: https://gist.github.com/79f237d247803fa45b8625ea1ec6aa13

65 total rebuild path(s)

21 package rebuild(s)

21 x86_64-linux rebuild(s)
21 i686-linux rebuild(s)
2 x86_64-darwin rebuild(s)
21 aarch64-linux rebuild(s)

First fifty rebuilds by attrpath
kde-cli-tools
kdeplasma-addons
kdevelop
kmenuedit
libqalculate
libsForQt5.khotkeys
libsForQt511.khotkeys
nasc
plasma-desktop
plasma-workspace
plasma5.kde-cli-tools
plasma5.kdeplasma-addons
plasma5.khotkeys
plasma5.kmenuedit
plasma5.plasma-desktop
plasma5.plasma-workspace
plasma5.powerdevil
plasma5.systemsettings
powerdevil
qalculate-gtk
systemsettings

Either download from Cachix:

nix-store -r /nix/store/q2l9cx30kq8g35b4a9w1i384gsw08qnz-libqalculate-2.8.2 \
  --option binary-caches 'https://cache.nixos.org/ https://r-ryantm.cachix.org/' \
  --option trusted-public-keys '
  r-ryantm.cachix.org-1:gkUbLkouDAyvBdpBX0JOdIiD2/DP1ldF3Z3Y6Gqcc4c=
  cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
  '

(r-ryantm's Cachix cache is only trusted for this store-path realization.)

Or, build yourself:

nix-build -A libqalculate https://github.com/r-ryantm/nixpkgs/archive/ab091810b6da01ac28df4c0c860682b7ccc854dd.tar.gz

After you've downloaded or built it, look at the files and if there are any, run the binaries:

ls -la /nix/store/q2l9cx30kq8g35b4a9w1i384gsw08qnz-libqalculate-2.8.2
ls -la /nix/store/q2l9cx30kq8g35b4a9w1i384gsw08qnz-libqalculate-2.8.2/bin