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amiro-blt / tools / compiler / compilersetup.sh @ 449d916a

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################################################################################
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# AMiRo-BLT is an bootloader and toolchain designed for the Autonomous Mini    #
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# Robot (AMiRo) platform.                                                      #
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# Copyright (C) 2016..2019  Thomas Schöpping et al.                            #
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#                                                                              #
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# This program is free software: you can redistribute it and/or modify         #
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# it under the terms of the GNU General Public License as published by         #
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# the Free Software Foundation, either version 3 of the License, or            #
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# (at your option) any later version.                                          #
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#                                                                              #
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# This program is distributed in the hope that it will be useful,              #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of               #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                #
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# GNU General Public License for more details.                                 #
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#                                                                              #
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# You should have received a copy of the GNU General Public License            #
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# along with this program.  If not, see <http://www.gnu.org/licenses/>.        #
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#                                                                              #
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# This research/work was supported by the Cluster of Excellence Cognitive      #
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# Interaction Technology 'CITEC' (EXC 277) at Bielefeld University, which is   #
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# funded by the German Research Foundation (DFG).                              #
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################################################################################
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#!/bin/bash
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################################################################################
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# GENERIC FUNCTIONS                                                            #
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################################################################################
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### print an error message #####################################################
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# Prints a error <message> to standard output.
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#If variable 'LOG_FILE' is specified, the message is also appended to the given file.
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#
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# usage:      printError <message>
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# arguments:  <message>
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#                 Message string to print.
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# return:     n/a
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#
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function printError {
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  local string="ERROR:   $1"
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  # if a log file is specified
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  if [ -n "$LOG_FILE" ]; then
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    printf "[$(date '+%Y-%m-%d %H:%M:%S')] $string" >> $LOG_FILE
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  fi
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  printf "$(tput setaf 1)>>> $string$(tput sgr 0)" 1>&2
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}
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### print a warning message ####################################################
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# Prints a warning <message> to standard output.
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#If variable 'LOG_FILE' is specified, the message is also appended to the given file.
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#
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# usage:      printMessage <message>
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# arguments:  <message>
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#                 Message string to print.
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# return:     n/a
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#
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function printWarning {
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  local string="WARNING: $1"
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  # if a log file is specified
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  if [ -n "$LOG_FILE" ]; then
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    printf "[$(date '+%Y-%m-%d %H:%M:%S')] $string" >> $LOG_FILE
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  fi
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  printf "$(tput setaf 3)>>> $string$(tput sgr 0)"
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}
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### print an information message ###############################################
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# Prints an information <message> to standard output.
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#If variable 'LOG_FILE' is specified, the message is also appended to the given file.
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#
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# usage:      printInfo <message>
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# arguments:  <message>
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#                 Message string to print.
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# return:     n/a
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#
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function printInfo {
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  local string="INFO:    $1"
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  # if a log file is specified
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  if [ -n "$LOG_FILE" ]; then
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    printf "[$(date '+%Y-%m-%d %H:%M:%S')] $string" >> $LOG_FILE
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  fi
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  printf "$(tput setaf 2)>>> $string$(tput sgr 0)"
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}
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### print a message to file ####################################################
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# Appends a <message> to a log file, specified by the variable 'LOG_FILE'.
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#
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# usage       printLog <message>
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# arguments:  <message>
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#                 Message string to print.
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# return:     n/a
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#
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function printLog {
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  local string="LOG:     $1"
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  # if a log file is specified
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  if [ -n "$LOG_FILE" ]; then
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    printf "[$(date '+%Y-%m-%d %H:%M:%S')] $string" >> $LOG_FILE
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  fi
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}
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### exit the script normally ###################################################
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# Prints a delimiter and exits the script normally (returns 0).
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#
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# usage:      quitScript
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# arguments:  n/a
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# return:     0
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#                 No error or warning occurred.
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#
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function quitScript {
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  printInfo "exiting $(realpath ${BASH_SOURCE[0]})\n"
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  printf "\n"
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  printf "######################################################################\n"
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  exit 0
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}
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### read a user input ##########################################################
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# Reads a single character user input from a set up <options> and stores it in
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# a given <return> variable.
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#
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# usage:      readUserInput <options> <return>
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# arguments:  <options>
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#                 String definiing the set of valid characters.
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#                 If the string is empty, the user can input any character.
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#             <return>
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#                 Variable to store the selected character to.
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# return:     n/a
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#
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function readUserInput {
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  local input=""
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  # read user input
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  while [ -z $input ] || ( [ -n "$1" ] && [[ ! $input =~ ^[$1]$ ]] ); do
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    read -p "your selection: " -n 1 -e input
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    if [ -z $input ] || ( [ -n "$1" ] && [[ ! $input =~ ^[$1]$ ]] ); then
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      printWarning "[$input] is no valid action\n"
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    fi
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  done
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  printLog "[$input] has been selected\n"
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  eval $2="$input"
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}
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### check whether argument is an option ########################################
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# Checks a <string> whether it is an option.
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# Options are defined to either start with '--' followed by any string, or
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# to start with a single '-' followed by a single character, or
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# to start with a single '-' followed by a single character, a '=' and any string.
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# Examples: '--option', '--option=arg', '-o', '-o=arg', '--'
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#
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# usage:      parseIsOption <string>
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# arguments:  <string>
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#                 A string to check whether it is an option.
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# return:     0
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#                 <string> is an option.
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#             -1
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#                 <string> is not an option.
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#
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function parseIsOption {
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  if [[ "$1" =~ ^-(.$|.=.*) ]] || [[ "$1" =~ ^--.* ]]; then
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    return 0
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  else
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    return -1
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  fi
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}
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### set the log file ###########################################################
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# Sets a specified <infile> as log file and checks whether it already exists.
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# If so, the log may either be appended to the file, its content can be cleared,
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# or no log is generated at all.
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# The resulting path is stored in <outvar>.
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#
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# usage:      setLogFile [--option=<option>] [--quiet] <infile> <outvar>
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# arguments:  --option=<option>
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#                 Select what to do if <file> already exists.
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#                 Possible values are 'a', 'c', 'r' and 'n'.
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#                 - a: append (starts with a separator)
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#                 - c: continue (does not insert a seperator)
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#                 - r: delete and restart
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#                 - n: no log
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#                 If no option is secified but <file> exists, an interactive selection is provided.
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#             --quiet
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#                 Suppress all messages.
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#             <infile>
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#                 Path of the wanted log file.
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#             <outvar>
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#                 Variable to store the path of the log file to.
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# return:     0
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#                 No error or warning occurred.
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#             -1
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#                 Error: invalid input
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#
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function setLogFile {
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  local filepath=""
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  local option=""
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  local quiet=false
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  # parse arguments
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  local otherargs=()
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  while [ $# -gt 0 ]; do
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    if ( parseIsOption $1 ); then
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      case "$1" in
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        -o=*|--option=*)
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          option=${1#*=}; shift 1;;
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        -o*|--option*)
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          option="$2"; shift 2;;
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        -q|--quiet)
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          quiet=true; shift 1;;
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        *)
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          printError "invalid option: $1\n"; shift 1;;
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      esac
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    else
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      otherargs+=("$1")
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      shift 1
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    fi
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  done
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  filepath=$(realpath ${otherargs[0]})
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  # if file already exists
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  if [ -e $filepath ]; then
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    # if no option was specified, ask what to do
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    if [ -z "$option" ]; then
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      printWarning "log file $filepath already esists\n"
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      local userinput=""
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      printf "Select what to do:\n"
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      printf "  [A] - append log\n"
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      printf "  [R] - restart log (delete existing file)\n"
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      printf "  [N] - no log\n"
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      readUserInput "AaRrNn" userinput
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      option=${userinput,,}
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    fi
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    # evaluate option
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    case "$option" in
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      a|c)
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        if [ $quiet = false ]; then
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          printInfo "appending log to $filepath\n"
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        fi
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        if [ $option != c ]; then
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          printf "\n" >> $filepath
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          printf "######################################################################\n" >> $filepath
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          printf "\n" >> $filepath
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        fi
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        ;;
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      r)
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        echo -n "" > $filepath
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        if [ $quiet = false ]; then
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          printInfo "content of $filepath wiped\n"
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        fi
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        ;;
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      n)
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        if [ $quiet = false ]; then
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          printInfo "no log file will be generated\n"
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        fi
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        filepath=""
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        ;;
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      *) # sanity check (return error)
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        printError "unexpected argument: $option\n"; return -1;;
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    esac
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  else
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    if [ $quiet = false ]; then
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      printInfo "log file set to $filepath\n"
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    fi
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  fi
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  eval ${otherargs[1]}="$filepath"
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  return 0
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}
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################################################################################
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# SPECIFIC FUNCTIONS                                                           #
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################################################################################
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### print welcome text #########################################################
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# Prints a welcome message to standard out.
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#
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# usage:      printWelcomeText
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# arguments:  n/a
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# return:     n/a
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#
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function printWelcomeText {
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  printf "######################################################################\n"
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  printf "#                                                                    #\n"
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  printf "#              Welcome to the AMiRo-BLT compiler setup!              #\n"
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  printf "#                                                                    #\n"
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  printf "######################################################################\n"
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  printf "#                                                                    #\n"
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  printf "# Copyright (c) 2016..2019  Thomas Schöpping                         #\n"
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  printf "#                                                                    #\n"
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  printf "# This is free software; see the source for copying conditions.      #\n"
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  printf "# There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR  #\n"
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  printf "# A PARTICULAR PURPOSE. The development of this software was         #\n"
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  printf "# supported by the Excellence Cluster EXC 227 Cognitive Interaction  #\n"
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  printf "# Technology. The Excellence Cluster EXC 227 is a grant of the       #\n"
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  printf "# Deutsche Forschungsgemeinschaft (DFG) in the context of the German #\n"
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  printf "# Excellence Initiative.                                             #\n"
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  printf "#                                                                    #\n"
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  printf "######################################################################\n"
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}
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### print help #################################################################
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# Prints a help text to standard out.
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#
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# usage:      printHelp
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# arguments:  n/a
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# return:     n/a
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#
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function printHelp {
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  printInfo "printing help text\n"
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  printf "usage:    $(basename ${BASH_SOURCE[0]}) [-h|--help] [--GCC] [-q|--quit] [--log=<file>]\n"
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  printf "\n"
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  printf "options:  -h, --help\n"
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  printf "              Print this help text.\n"
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  printf "          --GCC\n"
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  printf "              Enter GCC setup.\n"
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  printf "          -q, --quit\n"
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  printf "              Quit the script.\n"
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  printf "          --log=<file>\n"
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  printf "              Specify a log file.\n"
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}
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### enter GCC setup ############################################################
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# Enter the arm-none-eabi-gcc setup.
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#
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# usage:      gccSetup
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# arguments:  n/a
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# return:     n/a
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function gccSetup {
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  printInfo "entering GCC setup...\n"
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  printf "\n"
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  if [ -z "$LOG_FILE" ]; then
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    $(realpath $(dirname ${BASH_SOURCE[0]}))/GCC/gccsetup.sh --noinfo
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  else
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    $(realpath $(dirname ${BASH_SOURCE[0]}))/GCC/gccsetup.sh --LOG="$LOG_FILE" --noinfo
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  fi
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}
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### main function of this script ###############################################
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# The IDE setup lets the user select an IDE of choice.
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# As of now, only QtCreator is supported.
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#
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# usage:      see function printHelp
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# arguments:  see function printHelp
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# return:     0
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#                 No error or warning occurred.
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#
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function main {
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  # print welcome/info text if not suppressed
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  if [[ $@ != *"--noinfo"* ]]; then
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    printWelcomeText
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  else
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    printf "######################################################################\n"
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  fi
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  printf "\n"
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  # if --help or -h was specified, print the help text and exit
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  if [[ $@ == *"--help"* || $@ == *"-h"* ]]; then
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    printHelp
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    printf "\n"
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    quitScript
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  fi
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  # set log file if specified
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  if [[ $@ == *"--log"* ]] || [[ $@ == *"--LOG"* ]]; then
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    # get the parameter (file name)
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    local cmdidx=1
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    while [[ ! "${!cmdidx}" = "--log"* ]] && [[ ! "${!cmdidx}" = "--LOG"* ]]; do
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      cmdidx=$[cmdidx + 1]
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    done
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    local cmd="${!cmdidx}"
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    local logfile=""
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    if [[ "$cmd" = "--log="* ]] || [[ "$cmd" = "--LOG="* ]]; then
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      logfile=${cmd#*=}
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    else
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      local filenameidx=$((cmdidx + 1))
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      logfile="${!filenameidx}"
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    fi
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    # optionally force silent appending
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    if [[ "$cmd" = "--LOG"* ]]; then
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      setLogFile --option=c --quiet "$logfile" LOG_FILE
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    else
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      setLogFile "$logfile" LOG_FILE
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      printf "\n"
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    fi
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  fi
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  # log script name
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  printLog "this is $(realpath ${BASH_SOURCE[0]})\n"
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  # parse arguments
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  local otherargs=()
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  while [ $# -gt 0 ]; do
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    if ( parseIsOption $1 ); then
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      case "$1" in
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        -h|--help) # already handled; ignore
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          shift 1;;
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        --GCC)
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          gccSetup; printf "\n"; shift 1;;
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        -q|--quit)
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          quitScript; printf "\n"; shift 1;;
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        --log=*|--LOG=*) # already handled; ignore
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          shift 1;;
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        --log|--LOG) # already handled; ignore
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          shift 2;;
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        --noinfo) # already handled; ignore
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          shift 1;;
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        *)
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          printError "invalid option: $1\n"; shift 1;;
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      esac
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    else
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      otherargs+=("$1")
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      shift 1
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    fi
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  done
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  # interactive menu
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  while ( true ); do
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    # main menu info prompt and selection
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    printInfo "AMiRo-BLT compiler setup main menu\n"
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    printf "Please select one of the following actions:\n"
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    printf "  [G] - enter GCC setup\n"
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    printf "  [Q] - quit this setup\n"
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    local userinput=""
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    readUserInput "GgQq" userinput
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    printf "\n"
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    # evaluate user selection
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    case "$userinput" in
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      G|g)
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        gccSetup; printf "\n";;
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      Q|q)
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        quitScript;;
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      *) # sanity check (exit with error)
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        printError "unexpected argument: $userinput\n"; printf "\n";;
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    esac
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  done
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  exit 0
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}
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################################################################################
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# SCRIPT ENTRY POINT                                                           #
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################################################################################
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main "$@"