Increase script portability

diff --git a/qcsrc/tools/compilationunits.sh b/qcsrc/tools/compilationunits.sh
index 0a03de360292dfb4eef7b84ece96d524466207f4..2fa17825ec1394d8b5efddc7db85513a7c00ca8c 100755 (executable)
--- a/qcsrc/tools/compilationunits.sh
+++ b/qcsrc/tools/compilationunits.sh
@@ -1,6 +1,6 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -eu
-cd "$(dirname "$0")"
+cd ${0%/*}
 
 WORKDIR=../.tmp