make UNATTENDED=yes CC=clang CXX=clang install-dep
make UNATTENDED=yes CC=clang CXX=clang dpdk-install-dev
-make UNATTENDED=yes -C build-root PLATFORM=vpp TAG=vpp_clang CC=clang install-packages
+make UNATTENDED=yes -C build-root PLATFORM=vpp TAG=vpp_clang CC=clang CXX=clang install-packages
make UNATTENDED=yes -C build-root PLATFORM=vpp TAG=vpp_clang CC=clang CXX=clang sample-plugin-install
make UNATTENDED=yes -C build-root PLATFORM=vpp TAG=vpp libmemif-install