Merge pull request #101792 from flokli/systemdminimal-without-glib

systemdMinimal: build without glib

pkgs/os-specific/linux/systemd/default.nix

···
     "-Dsetfont-path=${kbd}/bin/setfont"
     "-Dtty-gid=3" # tty in NixOS has gid 3
     "-Ddebug-shell=${bashInteractive}/bin/bash"
+    "-Dglib=${stdenv.lib.boolToString (glib != null)}"
     # while we do not run tests we should also not build them. Removes about 600 targets
     "-Dtests=false"
     "-Dimportd=${stdenv.lib.boolToString withImportd}"

pkgs/top-level/all-packages.nix

···
     withImportd = false;
     withCryptsetup = false;
     cryptsetup = null;
+    glib = null;
     lvm2 = null;
   };