slurm: allow user to add srun options via TURBINE_LAUNCH_OPTIONS
@@ -33,7 +33,7 @@ declare TURBINE_HOME
checkvars PROGRAM NODES PPN
export PROGRAM NODES PPN
-export TURBINE_LAUNCH_OPTIONS=""
+export TURBINE_LAUNCH_OPTIONS=${TURBINE_LAUNCH_OPTIONS:-}
if (( TURBINE_PREALLOCATION ))
then
TURBINE_LAUNCH_OPTIONS+="--output=${OUTPUT_FILE} "
