anchor.diff:  
       substituteInPlace src/linux/perf.cpp       \
         --replace '"perf ' '"${perf}/bin/perf '
  -    
  +
       substituteInPlace src/linux/systemd.cpp \
         --replace 'os::realpath("/sbin/init")' '"${systemd}/lib/systemd/systemd"'
   
  
positive.code: 
      substituteInPlace src/python/cli/src/mesos/cli.py \
       --replace "['mesos-resolve'" "['$out/bin/mesos-resolve'"
      
      substituteInPlace src/slave/containerizer/mesos/launch.cpp \
        --replace '"sh"' '"${bash}/bin/bash"'
  
  
negative.code: 
    preConfigure = ''
      substituteInPlace src/Makefile.am --subst-var-by mavenRepo ${mavenRepo}
  
      substituteInPlace 3rdparty/libprocess/include/process/subprocess.hpp \
        --replace '"sh"' '"${bash}/bin/bash"'
  
  