Checkout v8pp before trying to package it :-)

v8pp/Makefile

@@ -4,14 +4,14 @@ v8:
 	# git clone https://github.com/rayburgemeestre/v8pp
 	#
 	git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git
-	bash ../ubuntu1804.sh make build
-	bash ../ubuntu1804.sh make archive  # outside container not enough permissions
-	bash ../ubuntu1804.sh make package  # outside container not enough permissions
-
 	# will be factored out at some point
 	git clone https://github.com/pmed/v8pp
 	pushd v8pp && git checkout 8ad6c07b13a811d9132c202f48b4a902d5685a98  # master at time of writing
 
+	bash ../ubuntu1804.sh make build
+	bash ../ubuntu1804.sh make archive  # outside container not enough permissions
+	bash ../ubuntu1804.sh make package  # outside container not enough permissions
+
 	# also packages v8pp for now
 	make fpm_package