diff --git a/shared/pkgs/mcuxpresso/ide.nix b/shared/pkgs/mcuxpresso/ide.nix
index da6939c..6d30c92 100644
--- a/shared/pkgs/mcuxpresso/ide.nix
+++ b/shared/pkgs/mcuxpresso/ide.nix
@@ -6,70 +6,12 @@
   mcuxpressoideSrc = pkgs.stdenv.mkDerivation {
     inherit version description;
     name = "${name}-src";
-    src = pkgs.requireFile {
-      url = "https://www.nxp.com/design/design-center/software/development-software/mcuxpresso-software-and-tools-/mcuxpresso-integrated-development-environment-ide:MCUXpresso-IDE";
-      name = "${filename}.bin";
-      hash = "sha256-e3g7rzZQ1WFLcUakkjaufpHMtw3qkw5lwxJuCKs6L+k=";
-    };
-    buildCommand = ''
-      # Unpack tarball.
-      mkdir -p deb
-      sh $src --target deb || true
-      ar -xv deb/${filename}
-      tar xfvz data.tar.gz -C .
 
-      # Unpack LinkServer.
-      mkdir -p linkserver
-      sh deb/LinkServer_24.9.75.x86_64.deb.bin --target deb/linkserver || true
-      ar -xv deb/linkserver/LPCScrypt.deb
-      tar xfvz data.tar.gz -C linkserver
-      ar -xv deb/linkserver/MCU-Link.deb
-      tar xfvz data.tar.gz -C linkserver
-      ar -xv deb/linkserver/LinkServer_24.9.75.x86_64.deb
-      tar xfvz data.tar.gz -C linkserver
+    nativeBuildInputs = [pkgs.autoPatchelfHook];
 
-      mkdir -p ./final/eclipse
-      mv ./usr/local/${name}-${version}/ide/* ./usr/local/${name}-${version}/ide/.* final/eclipse
-      mv final/eclipse/mcuxpressoide final/eclipse/eclipse
-      mv final/eclipse/mcuxpressoide.ini final/eclipse/eclipse.ini
-
-      # Create custom .eclipseproduct file
-      rm final/eclipse/.eclipseproduct
-      echo "name=${name}
-      id=com.nxp.${name}
-      version=${version}
-      " > final/eclipse/.eclipseproduct
-      # Install udev rules
-      mkdir -p final/lib/udev/rules.d
-      mv ./lib/udev/rules.d/56-pemicro.rules ./lib/udev/rules.d/85-mcuxpresso.rules final/lib/udev/rules.d/
-
-      # Additional files
-      mv ./usr/local/${name}-${version}/mcu_data final/mcu_data
-
-      # Place LinkServer, lpcscrypt, and MCU-LINK_installer in /usr/local
-      mkdir -p ./final/usr/local
-      mv ./linkserver/usr/local/LinkServer_24.9.75 ./final/usr/local
-      mv ./linkserver/usr/local/lpcscrypt-2.1.3_83 ./final/usr/local
-      mv ./linkserver/usr/local/MCU-LINK_installer_3.148 ./final/usr/local
-
-      # Install LinkServer udev rules
-      mv ./linkserver/lib/udev/rules.d/{85-linkserver_24.9.75.rules,85-mcu-link_3.148.rules,99-lpcscrypt.rules} final/lib/udev/rules.d
-
-      cd ./final
-      tar -czf $out ./
-    '';
-  };
-  mcuxpresso = pkgs.eclipses.buildEclipse {
-    name = "mcuxpresso-eclipse";
-    inherit description;
-    src = mcuxpressoideSrc;
-  };
-in
-  pkgs.stdenv.mkDerivation {
-    inherit name version description;
     dontUnpack = true;
-    dontConfigure = true;
-    nativeBuildInputs = [pkgs.copyDesktopItems pkgs.autoPatchelfHook];
+    dontAutoPatchelf = true;
+
     buildInputs = [
       pkgs.dfu-util
       pkgs.stdenv.cc.cc.lib
@@ -98,7 +40,81 @@ in
       pkgs.libudev-zero
 
       pkgs.python39
+      pkgs.libz
     ];
+
+    src = pkgs.requireFile {
+      url = "https://www.nxp.com/design/design-center/software/development-software/mcuxpresso-software-and-tools-/mcuxpresso-integrated-development-environment-ide:MCUXpresso-IDE";
+      name = "${filename}.bin";
+      hash = "sha256-e3g7rzZQ1WFLcUakkjaufpHMtw3qkw5lwxJuCKs6L+k=";
+    };
+
+    buildPhase = ''
+      # Unpack tarball
+      mkdir -p deb
+      sh $src --target deb || true
+      ar -xv deb/${filename}
+      tar xfvz data.tar.gz -C .
+
+      # Unpack LinkServer
+      mkdir -p linkserver
+      sh deb/LinkServer_24.9.75.x86_64.deb.bin --target deb/linkserver || true
+      ar -xv deb/linkserver/LPCScrypt.deb
+      tar xfvz data.tar.gz -C linkserver
+      ar -xv deb/linkserver/MCU-Link.deb
+      tar xfvz data.tar.gz -C linkserver
+      ar -xv deb/linkserver/LinkServer_24.9.75.x86_64.deb
+      tar xfvz data.tar.gz -C linkserver
+
+      # Prepare Eclipse files
+      mkdir -p ./final/eclipse
+      mv ./usr/local/${name}-${version}/ide/* ./usr/local/${name}-${version}/ide/.* final/eclipse
+      mv final/eclipse/mcuxpressoide final/eclipse/eclipse
+      mv final/eclipse/mcuxpressoide.ini final/eclipse/eclipse.ini
+
+      # Create custom .eclipseproduct file
+      rm final/eclipse/.eclipseproduct
+      echo "name=${name}
+      id=com.nxp.${name}
+      version=${version}" > final/eclipse/.eclipseproduct
+
+      # Install udev rules
+      mkdir -p final/lib/udev/rules.d
+      mv ./lib/udev/rules.d/56-pemicro.rules ./lib/udev/rules.d/85-mcuxpresso.rules final/lib/udev/rules.d/
+
+      # Additional files
+      mv ./usr/local/${name}-${version}/mcu_data final/mcu_data
+
+      # Place LinkServer, lpcscrypt, and MCU-LINK_installer in /usr/local
+      mkdir -p ./final/usr/local
+      mv ./linkserver/usr/local/LinkServer_24.9.75 ./final/usr/local
+      mv ./linkserver/usr/local/lpcscrypt-2.1.3_83 ./final/usr/local
+      mv ./linkserver/usr/local/MCU-LINK_installer_3.148 ./final/usr/local
+
+      # Install LinkServer udev rules
+      mv ./linkserver/lib/udev/rules.d/{85-linkserver_24.9.75.rules,85-mcu-link_3.148.rules,99-lpcscrypt.rules} final/lib/udev/rules.d
+    '';
+
+    fixupPhase = ''
+      # Tarball creation in postFixup
+      echo "Creating tarball from ./final..."
+      autoPatchelf ./final
+      cd ./final
+      tar -czf $out .
+    '';
+  };
+  mcuxpresso = pkgs.eclipses.buildEclipse {
+    name = "mcuxpresso-eclipse";
+    inherit description;
+    src = mcuxpressoideSrc;
+  };
+in
+  pkgs.stdenv.mkDerivation {
+    inherit name version description;
+    dontUnpack = true;
+    dontConfigure = true;
+    nativeBuildInputs = [pkgs.copyDesktopItems];
+    buildInputs = [pkgs.zlib];
     desktopItems = [
       (pkgs.makeDesktopItem {
         inherit name;