#! /bin/bash
# A simple wrapper of mpif77 to force it uses RPATH
#set -x
echo "REAL_MPICC=$REAL_MPICC"
# generate compile string and replace 'enable-new-dtags' with 'disable-new-dtags'
# to force use RPATH. Given we can have space in quoted string that will cause
# wrong word splitting, we split string into arguments by ourselves with ' -'.
# To do it, we replace ' -' with '\n-' and then split the string with customized
# IFS that is set to new line
cmd_str=$($REAL_MPICC -show "$@" | sed -e 's/enable-new-dtags/disable-new-dtags/g' -e 's/[[:space:]]\+-/\n-/g')
OLDIFS=$IFS
IFS=$'\n'
args=()
# for each argument that constains '"', we escape special characters in the argument.
# Please note that an argument only can contain one quoted string, so it's fine
# to do escape in the whole string
for arg in ${cmd_str[@]}; do
  if [[ "$arg" == *\"* ]]; then
    args+=" $'$arg'"
  else
    args+=" $arg"
  fi
done
IFS=$OLDIFS
eval "${args[*]}"