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#!/bin/bash
# $Id: xtwv 554 2014-04-21 14:01:51Z mueller $
#
# Xilinx Tool Wrapper script for Vivado
#   define XTWV_PATH
#   usage  xwtv <vivado command>
#
#  Revision History:
# Date         Rev Version  Comment
# 2014-04-18   554   1.0.1  fake XILINX_VIVADO, 2014.1 doesn't define it anymore
# 2013-10-12   539   1.0    Initial version (cloned from xtwi)
#
# Note: For Xilinx Vivado installations with an install path <ipath> holds
#         <ipath>       dir with settings(32|64).sh 
#

# store arg list on vars (will be dropped later to source scripts)
arglist_val=$@
arglist_num=$#
#
# check whether Vivado already setup ($XILINX_VIVADO defined)
if [ -z "$XILINX_VIVADO" ]
then
  # check whether $XTWV_PATH defined
  if [ -z "$XTWV_PATH" ]
  then
    echo "XTWV_PATH not defined"
    exit 1
  fi

  # check whether 32 or 64 bit system (uname -m gives 'i686' or 'x86_64')
  if [ `uname -m` = "x86_64" ]
  then
    settings_filename=$XTWV_PATH/settings64.sh
  else
    settings_filename=$XTWV_PATH/settings32.sh
  fi
  if [ ! -e "$settings_filename" ]
  then
    echo "can't locate init script '$settings_filename'"
    exit 1
  fi

  # drop arg list, suppress output
  set --
  . $settings_filename > /dev/null

  # check that XILINX_VIVADO defined
  if [ -z "$XILINX_VIVADO" ]
  then
    export XILINX_VIVADO=$XTWV_PATH/.
  fi

else
  echo "XILINX_VIVADO already defined"
fi

if [ $arglist_num != 0 ]
then
  exec $arglist_val
fi