Build and install gptpart package. This is the locally built gpt program

src/scripts/build_platform_packages.sh

 #!/bin/bash
 
 # Copyright (c) 2009 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Load common constants.  This should be the first executable line.
 # The path to common.sh should be relative to your script's location.
 . "$(dirname "$0")/common.sh"
 
@@ skipping 14 matching lines @@
 NUM_JOBS=`cat /proc/cpuinfo | grep processor | awk '{a++} END {print a}'`
 
 PLATFORM_DIR="$SRC_ROOT/platform"
 
 PLATFORM_DIRS="acpi assets fake_hal init installer login_manager \
                memento_softwareupdate pam_google window_manager \
                cros chrome screenlocker cryptohome \
                monitor_reconfig microbenchmark minijail metrics_collection"
 
 THIRD_PARTY_DIR="$SRC_ROOT/third_party"
-THIRD_PARTY_PACKAGES="connman e2fsprogs/files gflags google-breakpad gtest \
+THIRD_PARTY_PACKAGES="connman e2fsprogs/files \
+                      gflags google-breakpad gpt gtest \
                       ibus ibus-chewing ibus-anthy \
                       ply-image slim/src synaptics \
                       wpa_supplicant xscreensaver/xscreensaver-5.08 \
                       xserver-xorg-core xserver-xorg-video-intel"
 
 if [ $FLAGS_stable -eq $FLAGS_TRUE ]
 then
   # Passed to copy_chrome_zip.sh to get stable version of the browser
   export GET_STABLE_CHROME=1
 fi
@@ skipping 22 matching lines @@
 # Build platform packages
 for i in $PLATFORM_DIRS
 do
   echo "Building package ${i}..."
   cd "$PLATFORM_DIR/$i"
   ./make_pkg.sh
   cd -
 done
 
 echo "All packages built."