Ubuntu 16.04.7 fails to build

[brd]

I cloned warp17 @ f51cc6b and it fails to build on Ubuntu 16 after running sudo ./build_dpdk.sh -v 19.11.3 and sudo ./dep_install.sh. Note that dep_install.sh should also install pkgconf.

Build log:

ubuntu@warp17:~/warp17$ make
make[1]: Entering directory '/home/ubuntu/warp17/api'
  PC-C warp17-app-raw.proto
  PC-PY warp17-app-raw.proto
  PC-XLATE warp17-app-raw.proto
Traceback (most recent call last):
  File "./xlate-gen/warp17_xlate_gen.py", line 64, in <module>
    from google.protobuf.compiler import plugin_pb2 as plugin
ImportError: No module named 'google'
--custom_out: protoc-gen-custom: Plugin failed with status code 1.
Makefile.api:119: recipe for target 'generated/c/warp17-app-raw.pb-c.h' failed
make[1]: *** [generated/c/warp17-app-raw.pb-c.h] Error 1
make[1]: Leaving directory '/home/ubuntu/warp17/api'
Makefile:72: recipe for target 'all' failed
make: *** [all] Error 2

/etc/os-release:

NAME="Ubuntu"
VERSION="16.04.7 LTS (Xenial Xerus)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 16.04.7 LTS"
VERSION_ID="16.04"
HOME_URL="http://www.ubuntu.com/"
SUPPORT_URL="http://help.ubuntu.com/"
BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/"
VERSION_CODENAME=xenial
UBUNTU_CODENAME=xenial