Simplified counting CPUs.

src/scripts/build_chrome.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.
 
 # Script for building our own custom Chrome
 
 # 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"
 
 # Script must be run outside the chroot
 assert_outside_chroot
 
 # This script defaults Chrome source is in ~/chrome
 # You may override the Chrome source dir via the --chrome_dir option or by 
 # setting CHROMEOS_CHROME_DIR (for example, in ./.chromeos_dev)
 DEFAULT_CHROME_DIR="${CHROMEOS_CHROME_DIR:-/home/$USER/chrome}"
 
 # The number of jobs to pass to tools that can run in parallel (such as make
 # and dpkg-buildpackage
-NUM_JOBS=`cat /proc/cpuinfo | grep processor | awk '{a++} END {print a}'`
+NUM_JOBS=`grep -c "^processor" /proc/cpuinfo`
 
 # Flags
 DEFINE_string chrome_dir "$DEFAULT_CHROME_DIR" \
   "Directory to Chrome source"
 DEFINE_string mode "Release" \
   "The mode to build Chrome in (Debug or Release)"
 DEFINE_string num_jobs "$NUM_JOBS" \
   "The number of jobs to run in parallel"
 
 # Parse command line
@@ skipping 32 matching lines @@
 echo Zipping $CHROME_LINUX_DIR to $OUTPUT_ZIP
 cd $BUILD_DIR
 rm -f $OUTPUT_ZIP
 zip -r1 $OUTPUT_ZIP chrome-chromeos -i "chrome-chromeos/chrome*" \
   "chrome-chromeos/libffmpegsumo.so" "chrome-chromeos/xdg-settings" \
   "chrome-chromeos/locales/*" "chrome-chromeos/resources/*" \
   "chrome-chromeos/*.png" "chrome-chromeos/session" \
   "chrome-chromeos/emit_login_prompt_ready" -x "*.d"
 cp -f $OUTPUT_ZIP $OUTPUT_DIR
 echo Done.