diff --git a/flake.nix b/flake.nix
index cc81815..49b561d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,71 +3,71 @@
     nixpkgs.url = "github:nixos/nixpkgs/release-25.05";
   };
   outputs = {nixpkgs, self}: {
-    packages.x86_64-linux = let
-      pkgs = nixpkgs.legacyPackages.x86_64-linux;
-      pkgset-raw = {
-        inherit (pkgs)
+    lib.mkPkgProcessor = {
+      cflags ? "",
+      hardeningDisable ? [],
+      hardeningEnable ? [],
+      attrs ? {},
+    }: pkg: let
+      inherit (nixpkgs) lib;
+      overridesFlags = {
+        env = (pkg.env or {}) // { NIX_CFLAGS_COMPILE = "${(pkg.NIX_CFLAGS_COMPILE or "")} ${cflags}"; };
+      };
+      overridesHardening = {
+        hardeningDisable = (pkg.hardeningDisable or []) ++ hardeningDisable;
+        hardeningEnable = (pkg.hardeningEnable or []) ++ hardeningEnable;
+      };
+      overrides = overridesFlags // overridesHardening // attrs;
+      overridden = pkg.overrideAttrs overrides;
+    in lib.warnIf (!(builtins.elem "fortify" hardeningDisable) && (lib.strings.hasInfix "-O0" cflags)) "fortify requires at least -O1" overridden;
+
+    packages = nixpkgs.lib.genAttrs nixpkgs.lib.systems.flakeExposed (platform: let pkgs = nixpkgs.legacyPackages.${platform}; in rec {
+      mkDataset = pkgs.callPackage ./package.nix {};
+      sampleDataset = mkDataset {
+        name = "sample";
+        pkgProcessor = self.lib.mkPkgProcessor {
+          cflags = "-O0 -g";
+          # pic maybe leads to some linker errors?
+          hardeningDisable = [ "fortify" "pic" ];
+          attrs = {
+            dontStrip = true;
+          };
+        };
+        pkgList = with nixpkgs.legacyPackages.x86_64-linux; [
           amtterm
-          #archdiff
           babeltrace
-          #bbe  # will not build at -O0?
-          #bin_replace_string
           bsdiff
-          #btyacc
           bustle
           byacc
           complexity
-          #conf2struct
           cppi
           cproto
-          #csup
           desktop-file-utils
           dialog
-          #diffball
-          #difffilter
           diffstat
-          #dissembler
           dropwatch
           dwdiff
-          #edi
           elfkickers
-          #ftnchek
-          #fuzz
           global
           gpp
-          #gtk-update-icon-cache
-          #hxd
           hxtools
           icmake
-          #intel-graphics-system-controller
           libtree
-          #lsuio
-          #mingw64-toolchain
           numdiff
           ostree
           pahole
           patchutils
-          #ply
-          #pretrace
-          #pscan
           radare2
           rizin
           rt-tests
-          #sel
           shc
           smem
           statifier
-          #stubgen
-          #systemtap
-          #tinlink
           valgrind
           vmtouch
           vtable-dumper
           wiggle
-          #xfce4-dev-tools
           xmlindent
-          #yacc
-
           bison
           diffutils
           bintools-unwrapped
@@ -76,63 +76,10 @@
           curl
           file
           strace
-          ;
-        inherit (pkgs.xfce) xfce4-dev-tools;
-        coreutils = (pkgs.coreutils.override { singleBinary = false; });
+          xfce.xfce4-dev-tools
+          (pkgs.coreutils.override { singleBinary = false; })
+        ];
       };
-      lib = pkgs.lib;
-      self' = self.packages.x86_64-linux;
-      pkgsetsDefs = {
-        "O0" = "-O0 -g";
-        "O2" = "-O2 -g";
-      };
-      forceFlags = drv: flags: let
-        overridesFlags = {
-          env = (drv.env or {}) // { NIX_CFLAGS_COMPILE = "${(drv.env.NIX_CFLAGS_COMPILE or "")} ${flags}"; };
-        };
-        overridesHardening = {
-          # fortify requires at least -O1
-          # pic leads to some linker errors
-          hardeningDisable = (drv.hardeningDisable or []) ++ [ "fortify" "pic" ];
-        };
-        overridesStrip = {
-          dontStrip = true;
-        };
-        overrides = overridesStrip // overridesFlags // overridesHardening;
-      in drv.overrideAttrs overrides;
-    in {
-      default = pkgs.runCommand "binxos.tar.gz" { } ''
-        declare -A SETS
-        declare -A TOOBIG
-        ${lib.concatMapAttrsStringSep "\n" (name: pkgset: ''
-          SETS[${name}]="${lib.concatMapAttrsStringSep " " (_: drv: lib.getBin drv) pkgset}"
-        '') self'.pkgsets}
-
-        for set in "''${!SETS[@]}"; do
-          mkdir -p $TMP/binxos/$set
-          for pkg in ''${SETS[$set]}; do
-            for f in $pkg/bin/*; do
-              if [[ $(head -c4 $f) != $'\x7fELF' ]]; then
-                continue
-              fi
-              if [[ $(stat --format %s $f) > $((800 * 1024 * 1024)) ]]; then
-                TOOBIG[$(basename $f)]=1
-                continue
-              fi
-              cp $f $TMP/binxos/$set
-            done
-          done
-        done
-
-        for bin in "''${!TOOBIG[@]}"; do
-          rm -f $TMP/binxos/*/$bin
-        done
-
-        cd $TMP
-        tar -czf $out binxos
-      '';
-
-      pkgsets = lib.mapAttrs (_: flags: lib.mapAttrs (_: pkg: forceFlags pkg flags) pkgset-raw) pkgsetsDefs;
-    };
+    });
   };
 }
diff --git a/package.nix b/package.nix
new file mode 100644
index 0000000..5fb48a1
--- /dev/null
+++ b/package.nix
@@ -0,0 +1,21 @@
+{
+  lib,
+  runCommand,
+}:
+{
+  name,
+  pkgList,
+  fileGlobs ? [ "bin/*" "lib/*"],
+  fileFindPredicates ? "-type f",
+  pkgProcessor ? pkg: pkg,
+}:
+  let
+  processedList = map pkgProcessor pkgList;
+  globPredicates = lib.concatMapStringsSep " " (g: "-find ${g}") fileGlobs;
+  copiedBins = runCommand name {} ''
+    mkdir -p $out/bins
+    find ${lib.concatStringsSep " " processedList} ${globPredicates} ${fileFindPredicates}| while read -r filepath; do
+      cp "$filepath" $out/bins
+    done
+  '';
+in copiedBins