Fix v8 build and archive v8.a properly.

v8pp/Makefile

 
 archive:
 	rm -rf v8.a
-	ar rvs v8.a $$(cat v8-include.txt |xargs -n 1 -I{} find {} -name '*.o')
+	#ar rvs v8.a $$(cat v8-include.txt |xargs -n 1 -I{} find {} -name '*.o')
+	ar rvs v8.a $$(find ./v8/out/x64.release/ -type f -name '*.o')
 	echo all included object files listed below
 	cat v8-include.txt |xargs -n 1 -I{} find {} -name '*.o'
 	echo all .so files listed below

v8pp/build-v8.sh

 export PATH=`pwd`/depot_tools:"$PATH"
 
 # https://github.com/prahladyeri/tuxdrive/issues/3
+apt-get install python3-pip -y
 pip3 install httplib2 --upgrade