* gnu/packages/patches/sbcl-png-fix-sbcl-compatibility.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/lisp-xyz.scm (sbcl-png)[source]: Use it.
		
			
				
	
	
		
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			2.8 KiB
		
	
	
	
		
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			60 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
| From 60bbad167b0691995a659121acda55392e4021b6 Mon Sep 17 00:00:00 2001
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| From: Andrew Berkley <ajb@dwavesys.com>
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| Date: Sun, 4 Jul 2021 12:50:34 -0700
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| Subject: [PATCH] Fix for sbcl 2.1.6
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| 
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| ---
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|  compat.lisp | 30 +++++++++++++++---------------
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|  1 file changed, 15 insertions(+), 15 deletions(-)
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| 
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| diff --git a/compat.lisp b/compat.lisp
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| index 95a9869..ea6d1a1 100644
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| --- a/compat.lisp
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| +++ b/compat.lisp
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| @@ -1,12 +1,13 @@
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|  (in-package #:png)
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|  
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| -#+sbcl ; Present in SBCL 1.0.24.
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| -(declaim (ftype (function (array) (values (simple-array * (*)) &optional))
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| -                array-storage-vector))
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| -
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|  #+sbcl
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| -(defun array-storage-vector (array)
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| -  "Returns the underlying storage vector of ARRAY, which must be a non-displaced array.
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| +(macrolet ((make-array-storage-vector ()
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| +             (let ((%array-data-vector (or (find-symbol "%ARRAY-DATA-VECTOR" :sb-kernel)
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| +                                           (find-symbol "%ARRAY-DATA" :sb-kernel)))) ;; renamed in sbcl 2.1.6
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| +               `(progn
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| +                  (declaim (ftype (function (array) (values (simple-array * (*)) &optional)) array-storage-vector))
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| +                  (defun array-storage-vector (array)
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| +                    "Returns the underlying storage vector of ARRAY, which must be a non-displaced array.
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|  
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|  In SBCL, if ARRAY is a of type \(SIMPLE-ARRAY * \(*)), it is its own storage
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|  vector. Multidimensional arrays, arrays with fill pointers, and adjustable
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| @@ -16,15 +17,14 @@ ARRAY, which this function returns.
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|  Important note: the underlying vector is an implementation detail. Even though
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|  this function exposes it, changes in the implementation may cause this
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|  function to be removed without further warning."
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| -  ;; KLUDGE: Without TRULY-THE the system is not smart enough to
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| -  ;; figure out that the return value is always of the known type.
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| -  (sb-ext:truly-the (simple-array * (*))
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| -             (if (sb-kernel:array-header-p array)
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| -                 (if (sb-kernel:%array-displaced-p array)
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| -                     (error "~S cannot be used with displaced arrays. Use ~S instead."
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| -                            'array-storage-vector 'array-displacement)
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| -                     (sb-kernel:%array-data-vector array))
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| -                 array)))
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| +                    (sb-ext:truly-the (simple-array * (*))
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| +                                      (if (sb-kernel:array-header-p array)
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| +                                          (if (sb-kernel:%array-displaced-p array)
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| +                                              (error "~S cannot be used with displaced arrays. Use ~S instead."
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| +                                                     'array-storage-vector 'array-displacement)
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| +                                              (,%array-data-vector array))
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| +                                          array)))))))
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| +  (make-array-storage-vector))
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|  
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|  #+allegro
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|  (defmacro with-pointer-to-array-data ((ptr-var array) &body body)
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| -- 
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| 2.33.0
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| 
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