need RUMP_KERNEL_IS_LIBC for the buildrump.sh run
need RUMP_KERNEL_IS_LIBC for the buildrump.sh run

ujamjar/rumpuser-baremetal,rumpkernel-attic/rumprun-baremetal,ujamjar/rumpuser-baremetal,ujamjar/rumpuser-baremetal,rumpkernel-attic/rumprun-baremetal,rumpkernel-attic/rumprun-baremetal