#! /bin/ksh
#*******************************************************************************
# E.S.O. - VLT project
#
# build
#
# who       when        what
# --------  ----------  ----------------------------------------------
# psivera   2003-10-31  created
#
# "@(#) $Id: buildVxWorks,v 1.12 2012/11/05 09:28:58 eallaert Exp $"

#************************************************************************
#   NAME
#   buildVxWorks - unpack the VxWorks tar file for ACS SUN installations
#
#   SYNOPSIS
#   buildVxWorks 
#
#   DESCRIPTION
#
#
#   FILES
#
#------------------------------------------------------------------------

#
# which platform?
#
build_OS=`uname -s`


LOG=buildVxWorks.log
CWD=`pwd`
#
exec > $LOG 2>&1

date

#
# print header
#
TITLE="     ALMA Common Software buildVxWorks build  "
BUILD_NAME="VxWorks"
. ./standardPrologue

if [ ! -e ../NO-LGPL/vw5.5.tar.gz ]
then
  echo Error: vw5.5 tar file is missing
  exit 2
fi

cd $ALMASW_ROOTDIR/$ALMASW_RELEASE

if [ -d vw5.5 ]
then
    echo "vw5.5 already existing; first remove it"
    rm -rf vw5.5
fi

echo "Untarring the vw5.5.tar.gz file"
BASE=$CWD/../NO-LGPL
tar zxf $BASE/vw5.5.tar.gz

if [ ${build_OS} = "Linux" ]
then
   echo $SEPARATOR
   SRC="${INSTALL_ROOT}/NO-LGPL/vw"
   VX_BUILD_DIR=${SRC}
   echo "set temporary build directory: $SRC . . ."
   if [ -d $SRC ]
       then
       echo "\n\tthere is an old $SRC: start to remove it . . . "
       for name in `ls $SRC`
	 do
	 echo "\t   remove $SRC/$name . . . "
	 rm -rf $SRC/$name
       done
       rmdir $SRC
       echo "\tdone"
   fi
   mkdir $SRC
   echo "      . . . done"

   cd $SRC
   tar zxf $BASE/LinuxVxWorks-gcc-2.9.6.tar.gz
   if [ "X$WIND_BASE" = X ]
       then
       export WIND_BASE=$ALMASW_ROOTDIR/$ALMASW_RELEASE/vw5.5
       echo "==== Setting WIND_BASE to $WIND_BASE and derived env. vars"
       export VX_BSP_BASE=$WIND_BASE/target
       export VX_CPU_FAMILY=ppc
       export VX_HSP_BASE=$WIND_BASE/target
       export VXROOT=$WIND_BASE/target
       export VX_VW_BASE=$WIND_BASE/target
       export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$WIND_BASE/host/x86-linux/lib
       export PATH=$PATH:$WIND_BASE/host/x86-linux/bin
   fi
   if [ "X$WIND_HOST_TYPE" = X ]
       then
       export WIND_HOST_TYPE=x86-linux
       echo "==== Setting WIND_HOST_TYPE to $WIND_HOST_TYPE"
   fi

   if [ ! "$WIND_HOST_TYPE" = "x86-linux" ]
       then
       echo "==== WIND_HOST_TYPE has to be set to x86-linux"
       exit 1
   fi

   echo "building cross-compiler ..."
   make -f mkCrossGCC CPU=ppc
   make -f mkCrossGCC CPU=ppc build
   echo "building cross-compiler done !"

   echo "link wtxtcl to tcl"
   rm -f $WIND_BASE/host/$WIND_HOST_TYPE/bin/wtxtcl
   ln -s $ALMASW_ROOTDIR/$ALMASW_RELEASE/tcltk/bin/tcl $WIND_BASE/host/$WIND_HOST_TYPE/bin/wtxtcl
  
   echo "setting make rules for Linux"
   cd $WIND_BASE
   tar xf $SRC/linux-make-rules.tar
fi

#
# Patching and building the mv2700 kernel
# The patch file has been generated from the following command:
# LC_ALL=C TZ=UTC0 diff -Naur mv2700 mv2700.new >vw5.5-target-config-mv2700.patch
#
echo $SEPARATOR
echo "patching kernel for all configuration ..."
cd $ALMASW_ROOTDIR/$ALMASW_RELEASE/vw5.5
echo PWD= $PWD
patch -p1 < $BASE/vw5.5-target-config-all.patch

echo "patching kernel for mv2700 ..."
cd $ALMASW_ROOTDIR/$ALMASW_RELEASE/vw5.5/target/config/mv2700
echo PWD= $PWD
patch -p1 < $BASE/vw5.5-target-config-mv2700.patch
echo "building kernel for mv2700 ..."
make clean
make 
echo "building kernel for mv2700 done"

#
# The end
#
cd $CWD
echo vw5.5 installation done!
date