On the Lisp side this is an extra step and a source of problems. Traditionally the commercial Lisps REQUIRE one to ship an application without the full dev envi

On the Lisp side this is an extra step and a source of problems. Traditionally the commercial Lisps REQUIRE one to ship an application without the full dev environment. So there is always a delivery step which generates an application or a shared library. Some other Lisp applications require a delivery Lisp compiler, usually to C because of some other limitations: space, memory management or the platform does not allow a full dev Lisp. Example: there is a process control engine written in Lisp, which is used in industrial control applications. This Lisp application is largish and gets compiled to C and runs without garbage collection.