/usr/bin/g++ -DEVAL -std=gnu++20 -O2 -pipe -static -s -o rect rect.cpp
/usr/bin/g++ -DEVAL -std=gnu++17 -O2 -pipe -static -s -o rect rect.cpp
/usr/bin/javac -encoding UTF-8 rect.java /bin/sh -c echo "Main-Class: rect" > __manifest__.txt /bin/sh -c jar cfm rect.jar __manifest__.txt *.class
