• built on NixOS
• /bin/sh passed the binary check.
• 1 of 1 passed binary check by having a zero exit code.
• 0 of 1 passed binary check by having the new version present in output.
• found 3.8.4 with grep in /nix/store/p0w9cygrlnxb4wz5zrw3nhsak2r4wxda-libxl-3.8.4
• directory tree listing: https://gist.github.com/8e6a193fd9da9ba6678f80393faf9c82
• du listing: https://gist.github.com/89b55c70703cc39f4cf4ffd1fc5a75d0

11 total rebuild path(s)

9 package rebuild(s)

9 x86_64-linux rebuild(s)
1 i686-linux rebuild(s)
0 x86_64-darwin rebuild(s)
1 aarch64-linux rebuild(s)

First fifty rebuilds by attrpath
libxl
php71Packages-unit.php_excel
php71Packages.php_excel
php72Packages-unit.php_excel
php72Packages.php_excel
php73Packages-unit.php_excel
php73Packages.php_excel
phpPackages-unit.php_excel
phpPackages.php_excel

Either download from Cachix:

nix-store -r /nix/store/p0w9cygrlnxb4wz5zrw3nhsak2r4wxda-libxl-3.8.4 \
  --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 libxl https://github.com/r-ryantm/nixpkgs/archive/e65b0ac616061f08934589af7c60cd0f6fea182d.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/p0w9cygrlnxb4wz5zrw3nhsak2r4wxda-libxl-3.8.4
ls -la /nix/store/p0w9cygrlnxb4wz5zrw3nhsak2r4wxda-libxl-3.8.4/bin