silly uki image with the systemd-ukify tooling

glibc/default.nix

@@ -0,0 +1,57 @@
+{
+  fetchurl,
+  pkgs,
+  stdenv,
+
+  ...
+}:
+let
+  version = "2.40";
+  pname = "glibcStandalone";
+in
+stdenv.mkDerivation (finalAttrs: {
+  inherit version;
+
+  pname = pname;
+
+  src = fetchurl {
+    url = "mirror://gnu/glibc/glibc-${version}.tar.xz";
+    sha256 = "sha256-GaiQF16SY9dI9ieZPeb0sa+c0h4D8IDkv7Oh+sECBaI=";
+  };
+
+  enableParallelBuilding = true;
+
+  configureFlags = [
+    "--prefix=/"
+    "--libdir=/lib"
+    "--bindir=/bin"
+    "--sysconfdir=/etc"
+  ];
+
+  preConfigure =
+    ''
+      export PWD_P=$(type -tP pwd)
+      for i in configure io/ftwtest-sh; do
+          sed -i "$i" -e "s^/bin/pwd^$PWD_P^g"
+      done
+
+      mkdir ../build
+      cd ../build
+
+      configureScript="`pwd`/../$sourceRoot/configure"
+    '';
+
+  nativeBuildInputs = with pkgs; [
+      bison
+      python3Minimal
+  ];
+
+  outputs = [
+    "out"
+  ];
+
+  preInstall = ''
+    export DESTDIR=${placeholder "out"}
+  '';
+
+})