small improvement to script

#

options=$1

WORKDIR=..

OBJDIR=obj

EXECUTABLES="../IVAS_cod ../IVAS_dec ../IVAS_rend"

EXECUTABLES="${WORKDIR}/IVAS_cod ${WORKDIR}/IVAS_dec ${WORKDIR}/IVAS_rend"

evaluateTables=1

evaluateFunctions=1

compile=1

help=0

if [ $# -gt 0 ]; then

while getopts ":ftnhd:" OPT; do

  case "$OPT" in

    d)

       WORKDIR="${OPTARG}"

       ;;

    f)

       evaluateFunctions=1

       evaluateTables=0

       ;;

    t)

       evaluateFunctions=0

  compile=1

fi

while getopts "ftnh" OPT; do

  case "$OPT" in

    f) evaluateFunctions=1;;

    t) evaluateTables=1;;

    n) compile=0;;

    h) help=1;;

       evaluateTables=1

       ;;

    n)

       compile=0

       ;;

    h)

       help=1

       ;;

    *) # getopts produces error

       exit 1;;

       exit 1

       ;;

  esac

done

if [ $help -ne 0 ]; then

    echo "Usage: $0 [-ftn]"

    echo " where"

    echo "       -d <dir>: set C-code dir (default: ${WORKDIR})"

    echo "       -f: functions only"

    echo "       -t: tables only"

    echo "       -n: no compilation"

    exit 0

fi

# print C-code directory

echo "C-code directory set to ${WORKDIR}"

# build

if [ $compile -ne 0 ]; then

  make -C .. DEBUG=0 STRIP=1 clean all 1>&2

  make -C ${WORKDIR} DEBUG=0 STRIP=1 clean all 1>&2

fi

if [ $evaluateFunctions != 0 ]; then

  rm -f functions_obj.txt functions_exe.txt 1>&2

  # find all functions in object files

  nm ../${OBJDIR}/*.o | grep "^[0-9a-f]* T " | sed 's/^[0-9a-f]* T //' | sort -u > functions_obj.txt

  nm ${WORKDIR}/${OBJDIR}/*.o | grep "^[0-9a-f]* T " | sed 's/^[0-9a-f]* T //' | sort -u > functions_obj.txt

  # find all symbols in final executables

  nm ${EXECUTABLES} | grep "^[0-9a-f]* T " | sed 's/^[0-9a-f]* T //' | sort -u > functions_exe.txt 

  rm -f tables_obj.txt tables_exe.txt 1>&2

  # find all functions in object files

  nm ../${OBJDIR}/*.o | grep "^[0-9a-f]* [RD] " | sed 's/^[0-9a-f]* [RD] //' | sort -u > tables_obj.txt

  nm ${WORKDIR}/${OBJDIR}/*.o | grep "^[0-9a-f]* [RD] " | sed 's/^[0-9a-f]* [RD] //' | sort -u > tables_obj.txt

  # find all symbols in final executables

  nm ${EXECUTABLES} | grep "^[0-9a-f]* [RD] " | sed 's/^[0-9a-f]* [RD] //' | sort -u > tables_exe.txt