o Add a few comments

;; Basic cross-compile script for cross-compiling from x86 to x86.

;; May require tweaking for more difficult cross-compiles.

(in-package :cl-user)

;;; Rename the X86 package and backend so that new-backend does the

(setf (c:backend-name c:*native-backend*) "OLD-X86")

(c::new-backend "X86"

   ;; Features to add here

   ;; Features to add here.  These are just examples.  You may not

   ;; need to list anything here.  We list them here anyway as a

   ;; record of typical features for all x86 ports.

   '(:x86 :i486 :pentium

     :stack-checking

     :heap-overflow-check

     :relative-package-names

     :mp

     :gencgc

     :stack-checking			; Catches stack overflow

     :heap-overflow-check		; Catches heap overflows

     :relative-package-names		; relative package names

     :mp				; multiprocessing

     :gencgc				; Generational GC

     :conservative-float-type

     :hash-new :random-mt19937

     :linux :glibc2 :glibc2.1

     :cmu :cmu19 :cmu19e

     :double-double

     :hash-new

     :random-mt19937

     :cmu :cmu19 :cmu19e		; Version features

     :double-double			; double-double float support

     )

   ;; Features to remove from current *features* here

   '(:x86-bootstrap :alpha :osf1 :mips

   ;; Features to remove from current *features* here.  Normally don't

   ;; need to list anything here unless you are trying to remove a

   ;; feature.

   '(:x86-bootstrap

     ;; :alpha :osf1 :mips

     :propagate-fun-type :propagate-float-type :constrain-float-type

     :openbsd :freebsd :glibc2 :linux

     ;; :openbsd :freebsd :glibc2 :linux

     :long-float :new-random :small))

;;; Compile the new backend.