Hi,
Rumpctl fails to build on Debian Stretch:
rumpctrl$ ./buildnb.sh
[CUT]
./rump/bin/rump-cc -O2 -g -Wall -o bin/cat rumpobj/bin/cat/cat.ro
/usr/bin/ld: -r and -pie may not be used together
collect2: error: ld returned 1 exit status
Makefile:133: recipe for target 'bin/cat' failed
gcc version 6.2.1 20161124 (Debian 6.2.1-5)
GNU ld (GNU Binutils for Debian) 2.27.51.20161201