#! /usr/bin/env bash
prefix="@exec_prefix@"

ARGS="-DMAIN__=user_main -Diargc_=smpi_process_argc -Dgetarg_=smpi_process_getarg"
LINKARGS="-lf2c -lm"
declare -a SRCFILES

# $1: prefix, $2: suffix
mymktemp () {
    tmp=$(mktemp --suffix="$2" "$1_XXXXXXXXXX" 2> /dev/null)
    if [ -z "$tmp" ]; then
        # mktemp failed (unsupported --suffix ?), try unsafe mode
        tmp=$(mktemp -u "$1_XXXXXXXXXX" 2> /dev/null)
        if [ -z "$tmp" ]; then
            # mktemp failed again (doesn't exist ?), try very unsafe mode
            tmp="$1_$$x$RANDOM"
        fi
        tmp="${tmp}$2"
        # create temp file, and exit if it existed before
        sh -C -c "true > \"${tmp}\"" || exit 1
    fi
    echo "${tmp}"
}

while [ -n "$1" ]; do
  ARG="$1"
  shift
  case "${ARG}" in
    *.f)
      SRCFILE="$(readlink -f ${ARG} 2>/dev/null)"
       if [ -z "$SRCFILE" ] ; then
         SRCFILE="$ARG"
       fi
       SRCFILES+="${SRCFILE}"
       ;;
    *)
      if [ "${ARG}" = "-c" ]; then
          LINKARGS=""
      fi
      ARGS="${ARGS} ${ARG}"
      ;;
  esac
done
ARGS="${ARGS} ${LINKARGS}"

if [ -n "${SRCFILES}" ]
then
   for SRCFILE in "${SRCFILES[@]}"
   do
      TMPFILE=$(mymktemp "${SRCFILE}" ".f")
      cp ${SRCFILE} ${TMPFILE}
      CFILE="${TMPFILE%.f}.c"
      #echo "$prefix/bin/smpif2c ${TMPFILE} && $prefix/bin/smpicc ${ARGS} ${CFILE} && rm ${CFILE} && rm ${TMPFILE}"
      $prefix/bin/smpif2c ${TMPFILE} && $prefix/bin/smpicc ${ARGS} ${CFILE} && rm ${CFILE} && rm ${TMPFILE} || exit $?
      # When the file is compiled with "-c" and no output file is specified with
      # "-o", rename the output.  FIXME: do it properly.
      if [ -f ${CFILE%.c}.o ]; then
          mv ${CFILE%.c}.o ${SRCFILE%.f}.o
      fi
   done
else
   #echo "$prefix/bin/smpicc ${ARGS}"
   $prefix/bin/smpicc ${ARGS}
fi