#!/usr/bin/env bash

ENV=$1

PWD=$(pwd)
SRCDIR=$(dirname $BASH_SOURCE)
case $SRCDIR in
	/*) SMROOT=$SRCDIR ;; ## sourced from absolute path
	*) SMROOT=$PWD/$SRCDIR ;; ## sourced from relative path
esac
export SMROOT

case $ENV in
  intel)
	export HDF5_CXX=icpc
	export HDF5_CXXLINKER=icpc
	export ENV=INTEL
    ;;
  llvm)
	export HDF5_CXX=clang++
	export HDF5_CXXLINKER=clang++
	export ENV=LLVM
    ;;
  gnu)
	export HDF5_CXX=g++
	export HDF5_CXXLINKER=g++
	export ENV=GNU
	;;
  *)
    echo "Unknown environment descriptor given."
	echo "Usage: source smvars.sh {intel | llvm | gnu}"
	return 1
	;;
esac

if [ -z "$SMVARS" ]
then
	export PATH=$SMROOT/bin:$PATH
	export SMVARS=true
fi