From a08142379f65d760e71653974e669320a6867929 Mon Sep 17 00:00:00 2001
From: Mark Wooding <mdw@distorted.org.uk>
Date: Wed, 24 May 2006 18:50:26 +0100
Subject: [PATCH] sys-base: Portability fixes again.

  * Make sure *command-line-strings* is bound to something sane, even if
    runlisp isn't doing its thing.

  * As a result, use *lisp-interpreter* to decide whether runlisp is
    actually present.
---
 sys-base.lisp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sys-base.lisp b/sys-base.lisp
index ede099a..83f06f2 100644
--- a/sys-base.lisp
+++ b/sys-base.lisp
@@ -26,6 +26,7 @@
 (defpackage #:runlisp
   (:use #:common-lisp)
   (:export #:*lisp-interpreter* #:*command-line-strings* #:run))
+(defvar runlisp:*command-line-strings* '("<interactive>"))
 
 (defpackage #:mdw.sys-base
   (:use #:common-lisp #:runlisp)
@@ -45,7 +46,7 @@
 (defun exit (&optional (code 0))
   "Polite way to end a program.  If running in an interactive Lisp, just
    return to the top-level REPL."
-  (if (boundp '*command-line-strings*)
+  (if (boundp '*lisp-interpreter*)
       #+(or cmu ecl) (ext:quit code)
       (progn
         (unless (zerop code)
-- 
2.11.0