rumprun/src-netbsd/sys/lib/libunwind/AddressSpace.hpp:143:27: error: left shift of negative value [-Werror=shift-negative-value]
result |= (-1LL) << bit;
^~~
cc1plus: all warnings being treated as errors
this error occurs when I execute
CC=cc ./build-rr.sh hw
after clone and follows the instructions from:
https://github.com/rumpkernel/wiki/wiki/Tutorial%3A-Building-Rumprun-Unikernels