gnu: mesa-opencl-icd: Deprecate in favor of mesa-opencl.

The previously used Clover backend has been removed.

* gnu/packages/gl.scm (mesa-opencl-icd): Define as deprecated, using as
replacement...
(mesa-opencl): ... this, absorbing its icd file adjusting phase.
[#:modules]: New field.
[#:phases] {use-absolute-file-name-in-rusticl}: New phase.

Change-Id: If7ff766557dd37928e70d8e3ae03d7f1f467ab8a

1 files changed, 22 insertions, 23 deletions

diff --git a/gnu/packages/gl.scm b/gnu/packages/gl.scm
index 6508e5999b..e1cf947433 100644
--- a/gnu/packages/gl.scm
+++ b/gnu/packages/gl.scm
@@ -655,37 +655,36 @@ from software emulation to complete hardware acceleration for modern GPUs.")
               (inherit (package-source mesa))))
     (arguments
      (substitute-keyword-arguments (package-arguments mesa)
+       ((#:modules modules)
+        (cons '(ice-9 textual-ports) modules))
        ((#:configure-flags flags)
         #~(cons* "-Dgallium-rusticl=true"
                  ;; Enable all drivers by default.
                  (string-append "-Dgallium-rusticl-enable-drivers="
                                 "iris,llvmpipe,nouveau,panfrost,radeonsi,r600")
-                 #$flags))))))
-
-(define-public mesa-opencl-icd
-  (package/inherit mesa-opencl
-    (name "mesa-opencl-icd")
-    (arguments
-      (substitute-keyword-arguments (package-arguments mesa)
-        ((#:configure-flags flags)
-         #~(cons "-Dgallium-opencl=icd"
-                (delete "-Dgallium-opencl=standalone" #$flags)))
-        ((#:phases phases)
-         #~(modify-phases #$phases
-            (add-after 'install 'mesa-icd-absolute-path
+                 #$flags))
+       ((#:phases phases)
+        #~(modify-phases #$phases
+            (add-after 'install 'use-absolute-file-name-in-rusticl.icd
               (lambda _
-                ;; Use absolute path for OpenCL platform library.
-                ;; Otherwise we would have to set LD_LIBRARY_PATH=LIBRARY_PATH
-                ;; for ICD in our applications to find OpenCL platform.
-                (use-modules (guix build utils)
-                             (ice-9 textual-ports))
+                ;; Use absolute path for OpenCL platform library.  Otherwise
+                ;; we would have to set LD_LIBRARY_PATH=LIBRARY_PATH for
+                ;; Rusticl in our applications to find the OpenCL platform.
                 (let* ((out #$output)
-                       (mesa-icd (string-append out "/etc/OpenCL/vendors/mesa.icd"))
-                       (old-path (call-with-input-file mesa-icd get-string-all))
-                       (new-path (string-append out "/lib/" (string-trim-both old-path))))
+                       (rusticl.icd (string-append
+                                     out "/etc/OpenCL/vendors/rusticl.icd"))
+                       (old-path (call-with-input-file rusticl.icd
+                                   get-string-all))
+                       (new-path (string-append out "/lib/"
+                                                (string-trim-both old-path))))
                   (if (file-exists? new-path)
-                    (call-with-output-file mesa-icd
-                      (lambda (port) (format port "~a\n" new-path)))))))))))))
+                      (call-with-output-file rusticl.icd
+                        (lambda (port) (format port "~a\n" new-path)))))))))))))
+
+;;; ICD was part of the Gallium (Clover) OpenCL driver, which was replaced
+;;; with Rusticl.
+(define-public mesa-opencl-icd
+  (deprecated-package "mesa-opencl-icd" mesa-opencl))
 
 (define-public mesa-headers
   (package/inherit mesa