commit 341de563e488b9f25d5ef907fb4ea30c241f139e
Author: Ingo Korb <ingo@akana.de>
Date:   Mon Sep 12 19:52:56 2016 +0200

    Makefile: Exit immediately if config file parsing fails
    
    To enable a better user experience, exit immediately from the main
    Makefile if configuration parsing fails instead of attempting to
    compile without a valid config file.