testcases/pounder21/test_scripts/build_kernel

   1 #!/bin/bash
   2
   3 # Build Linux kernel
   4
   5 # Copyright (C) 2003-2006 IBM
   6 #
   7 # This program is free software; you can redistribute it and/or
   8 # modify it under the terms of the GNU General Public License as
   9 # published by the Free Software Foundation; either version 2 of the
  10 # License, or (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful, but
  13 # WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 # General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program; if not, write to the Free Software
  19 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  20 # 02111-1307, USA.
  21
  22
  23 CPUS=`grep processor /proc/cpuinfo | wc -l`
  24 ARCH=`uname -m`
  25 VERSION=2.6.18
  26 # WARNING: If you update the kernel version that we use, be sure to
  27 # update $POUNDER_SRCDIR/memtest.patch, $POUNDER_HOME/test_scripts/memtest,
  28 # $POUNDER_HOME/test_scripts/build_kernel, and
  29 # $POUNDER_HOME/build_scripts/build_kernel.
  30
  31 #LOG_ALL_MAKE=1
  32
  33 # Decompress tarball if necessary
  34 cd "$POUNDER_TMPDIR"
  35 if [ ! -d linux-$VERSION ]; then
  36         tar -xzf "$POUNDER_OPTDIR/linux-$VERSION.tar.gz"
  37 fi
  38
  39 # Clean up the tree.
  40 cd linux-$VERSION
  41 make mrproper
  42
  43 # Create a config file
  44 make allmodconfig
  45
  46 # Build system
  47 if [ $LOG_ALL_MAKE ]; then
  48         #Let all ouput flow to the external logging
  49         make -j$CPUS oldconfig
  50         time make -j$CPUS
  51 else
  52         #Just log std err
  53         make -j$CPUS oldconfig > /dev/null
  54         time make -j$CPUS > /dev/null
  55 fi
  56
  57 # Did we get a kernel image?
  58 RETCODE=1
  59 if [ -f vmlinux ]; then
  60         RETCODE=0
  61 fi
  62
  63 exit $RETCODE