Re-organize packaging, on CI the gocd agent container user didn't have

proper permissions to access certain files for packaging.

v8pp/Makefile

@@ -6,13 +6,14 @@ v8:
 	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
 
 	# also packages v8pp for now
-	make package
+	make fpm_package
 
 build:
 	update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++-9 40
@@ -46,19 +47,17 @@ archive:
 package:
 	rm -rf out
 	rm -rf v8pp_*_amd64.deb
-
 	mkdir -p out/opt/cppse/build/v8pp/lib
 	mkdir -p out/opt/cppse/build/v8pp/include
-
 	# Legacy include our own v8.a
 	cp -prv v8.a out/opt/cppse/build/v8pp/lib
 	cp -prv v8/out/x64.release/obj/libv8_monolith.a out/opt/cppse/build/v8pp/lib
 	# We'll also include .so files..
 	find ./v8/out/x64.release/ -name '*v8*.so' -type f | xargs -n 1 cp -prv -t out/opt/cppse/build/v8pp/lib
-
 	cp -prv v8pp/v8pp out/opt/cppse/build/v8pp/include/
 	cp -prv v8/include out/opt/cppse/build/v8pp/include/v8
 
+fpm_package:
 	docker run -v "$$(pwd):/src/" rayburgemeestre/fpm-ubuntu:18.04 fpm -v 1.1 -s dir -t deb -n v8pp --license MPL2 --maintainer "Ray Burgemeestre <ray@cppse.nl>" --description "v8pp - build dependency" --url "https://github.com/rayburgemeestre/v8pp" --deb-generate-changes -C /src/out
 
 clean: