#
# this script patches two SECONDO files to be able to
# use SECONDO in an UBUNTU 8.04 environment
# 
# the first file is $SECONDO_BUILD_DIR/Jpl/src/makefile
# here its required that the rt library is linked to libjpl.so
# to do that, the LINK_FLAGS are extended by an appropriate entry 
# if the patch is not already present
#

if [ ! -n "$SECONDO_BUILD_DIR" ]; then
  echo "SECONDO_BUILD_DIR not defined, exit"
  exit 1
fi

FILE1=$SECONDO_BUILD_DIR/Jpl/src/makefile
FILE2=$SECONDO_BUILD_DIR/Optimizer/StartOptServer

if [ !  -f $FILE1  ]; then
  echo "FILE $FILE1 not present, please check your SECONDO installation";
  exit 1;
fi

if [ ! -f $FILE2 ]; then
  echo "FILE $FILE2 not present, please check your SECONDO installation";
  exit 1;
fi



# change required 
LINE=$(grep "LINK_FLAGS.*-lrt" $FILE1)

if [ ! -n "$LINE" ]; then
  # in this case the -lrt flag is not already present
  sed  -i "s/^LINK_FLAGS *:=.*/& -lrt/g" $FILE1
fi 

# the second file is $SECONDO_BUILD_DIR/Optimizer/StartOptServer
# in some linux distributions, the variable SWI_HOME_DIR
# cannot be set for starting the optimizer server
# but on UBUNTU 8.04 this variable must point to the correct directory
# so, we have to comment out the erasing of that variable on UBUNTU platforms
#

LINE=$(grep -e "^[ \t]*unset [ \t]*SWI_HOME_DIR" $FILE2)

if [ -n "$LINE" ]; then
  sed -i "s/^[ \t]*unset [ \t]*SWI_HOME_DIR/   echo\"\"  #&/g" $FILE2
fi