;;;; -*- Mode: lisp; indent-tabs-mode: nil -*-
;;;
;;; tf-sbcl.lisp --- SBCL trivial-features implementation.
;;;
  Copyright ( C ) 2007 - 2009 ,      
;;;
;;; Permission is hereby granted, free of charge, to any person
;;; obtaining a copy of this software and associated documentation
  files ( the " Software " ) , to deal in the Software without
;;; restriction, including without limitation the rights to use, copy,
;;; modify, merge, publish, distribute, sublicense, and/or sell copies
  of the Software , and to permit persons to whom the Software is
;;; furnished to do so, subject to the following conditions:
;;;
;;; The above copyright notice and this permission notice shall be
  included in all copies or substantial portions of the Software .
;;;
  THE SOFTWARE IS PROVIDED " AS IS " , WITHOUT WARRANTY OF ANY KIND ,
;;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
;;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
;;; NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
;;; HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
;;; WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
;;; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
;;; DEALINGS IN THE SOFTWARE.

(in-package :cl-user)

;;;; Endianness

(pushnew (sb-alien:with-alien ((ptr (array (sb-alien:unsigned 8) 2)))
           (setf (sb-sys:sap-ref-16 (sb-alien:alien-sap ptr) 0) #xfeff)
           (ecase (sb-sys:sap-ref-8 (sb-alien:alien-sap ptr) 0)
             (#xfe (intern "BIG-ENDIAN" :keyword))
             (#xff (intern "LITTLE-ENDIAN" :keyword))))
         *features*)

;;;; OS

  SBCL already pushes :  , :  , : BSD and : UNIX .

#+win32
(progn
  note : as of 2008 or so , SBCL does n't push : UNIX and : 
  ;; simultaneously anymore.
  (setq *features* (remove :unix *features*))
  (pushnew :windows *features*))

;;;; CPU

  SBCL already pushes : : X86 , : X86 - 64 , : PPC , and : 64 - BIT
#-64-bit (pushnew :32-bit *features*)

 -*- Mode: lisp; indent-tabs-mode: nil -*-

 tf-sbcl.lisp --- SBCL trivial-features implementation.


 Permission is hereby granted, free of charge, to any person
 obtaining a copy of this software and associated documentation
 restriction, including without limitation the rights to use, copy,
 modify, merge, publish, distribute, sublicense, and/or sell copies
 furnished to do so, subject to the following conditions:

 The above copyright notice and this permission notice shall be

 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 DEALINGS IN THE SOFTWARE.
 Endianness
 OS
 simultaneously anymore.
 CPU
  Copyright ( C ) 2007 - 2009 ,      
  files ( the " Software " ) , to deal in the Software without
  of the Software , and to permit persons to whom the Software is
  included in all copies or substantial portions of the Software .
  THE SOFTWARE IS PROVIDED " AS IS " , WITHOUT WARRANTY OF ANY KIND ,

(in-package :cl-user)


(pushnew (sb-alien:with-alien ((ptr (array (sb-alien:unsigned 8) 2)))
           (setf (sb-sys:sap-ref-16 (sb-alien:alien-sap ptr) 0) #xfeff)
           (ecase (sb-sys:sap-ref-8 (sb-alien:alien-sap ptr) 0)
             (#xfe (intern "BIG-ENDIAN" :keyword))
             (#xff (intern "LITTLE-ENDIAN" :keyword))))
         *features*)


  SBCL already pushes :  , :  , : BSD and : UNIX .

#+win32
(progn
  note : as of 2008 or so , SBCL does n't push : UNIX and : 
  (setq *features* (remove :unix *features*))
  (pushnew :windows *features*))


  SBCL already pushes : : X86 , : X86 - 64 , : PPC , and : 64 - BIT
#-64-bit (pushnew :32-bit *features*)
