X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Flinux-os.lisp;h=50ae48e583226985b2bea034b90970d5f90e459a;hb=b8f63d9b4e978bec3bfc1f4fc471e5ed946781fd;hp=8d7abc0c2315a692829fa348e8dae2d6e9ab732b;hpb=a530bbe337109d898d5b4a001fc8f1afa3b5dc39;p=sbcl.git

diff --git a/src/code/linux-os.lisp b/src/code/linux-os.lisp
index 8d7abc0..50ae48e 100644
--- a/src/code/linux-os.lisp
+++ b/src/code/linux-os.lisp
@@ -11,10 +11,8 @@
 
 (in-package "SB!SYS")
 
-(file-comment
-  "$Header$")
-
-;;; Check that target machine features are set up consistently with this file.
+;;; Check that target machine features are set up consistently with
+;;; this file.
 #!-linux (error "missing :LINUX feature")
 
 (defun software-type ()
@@ -22,20 +20,18 @@
   "Return a string describing the supporting software."
   (values "Linux"))
 
+(defvar *software-version* nil)
+
 (defun software-version ()
   #!+sb-doc
   "Return a string describing version of the supporting software, or NIL
   if not available."
-  ;; The old CMU CL code is NILed out here. If we wanted to do this, we should
-  ;; probably either use "/bin/uname -r", but since in any case we don't have
-  ;; RUN-PROGRAM working right now (sbcl-0.6.4), for now we just punt,
-  ;; returning NIL.
-  #+nil
-  (string-trim '(#\newline)
-	       (with-output-to-string (stream)
-		 (run-program "/usr/cs/etc/version" ; Site dependent???
-			      nil :output stream)))
-  nil)
+  (or *software-version*
+      (setf *software-version*
+	    (string-trim '(#\newline)
+			 (with-output-to-string (stream)
+			   (sb!ext:run-program "/bin/uname" `("-r")
+					       :output stream))))))
 
 ;;; OS-COLD-INIT-OR-REINIT initializes our operating-system interface.
 ;;; It sets the values of the global port variables to what they