branch master updated: gnu: mesa: Add powerpc64le-linux support.

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     new ebd021f  gnu: mesa: Add powerpc64le-linux support.
ebd021f is described below

commit ebd021f73292bf47b26a799665d6204574bae239
Author: Efraim Flashner <efraim@flashner.co.il>
AuthorDate: Thu Apr 15 21:12:39 2021 +0300

    gnu: mesa: Add powerpc64le-linux support.
    
    * gnu/packages/gl.scm (mesa)[inputs]: Add llvm on powerpc64le.
    [native-inputs]: Add glslang on powerpc64le.
    [arguments]: Adjust configure-flags for powerpc64le to fix building on
    powerpc64le and enable features. Add powerpc64le specific phase to skip
    known failing test.
---
 gnu/packages/gl.scm | 32 ++++++++++++++++++++++++--------
 1 file changed, 24 insertions(+), 8 deletions(-)

diff --git a/gnu/packages/gl.scm b/gnu/packages/gl.scm
index 0d2e71c..7b5a0b4 100644
--- a/gnu/packages/gl.scm
+++ b/gnu/packages/gl.scm
@@ -6,7 +6,7 @@
 ;;; Copyright © 2016 Nikita <nikita@n0.is>
 ;;; Copyright © 2016, 2017, 2018, 2020, 2021 Ricardo Wurmus 
<rekado@elephly.net>
 ;;; Copyright © 2016 David Thompson <davet@gnu.org>
-;;; Copyright © 2017, 2018, 2019 Efraim Flashner <efraim@flashner.co.il>
+;;; Copyright © 2017, 2018, 2019, 2021 Efraim Flashner <efraim@flashner.co.il>
 ;;; Copyright © 2017 Arun Isaac <arunisaac@systemreboot.net>
 ;;; Copyright © 2017, 2018, 2019 Rutger Helling <rhelling@mykolab.com>
 ;;; Copyright © 2018, 2019, 2020 Tobias Geerinckx-Rice <me@tobias.gr>
@@ -270,7 +270,7 @@ also known as DXTn or DXTC) for Mesa.")
         ("libxrandr" ,libxrandr)
         ("libxvmc" ,libxvmc)
         ,@(match (%current-system)
-            ((or "x86_64-linux" "i686-linux")
+            ((or "x86_64-linux" "i686-linux" "powerpc64le-linux")
              ;; Note: update the 'clang' input of mesa-opencl when bumping 
this.
              `(("llvm" ,llvm-11)))
             (_
@@ -282,7 +282,7 @@ also known as DXTn or DXTC) for Mesa.")
         ("flex" ,flex)
         ("gettext" ,gettext-minimal)
         ,@(match (%current-system)
-            ((or "x86_64-linux" "i686-linux")
+            ((or "x86_64-linux" "i686-linux" "powerpc64le-linux")
              `(("glslang" ,glslang)))
             (_
              `()))
@@ -295,8 +295,10 @@ also known as DXTn or DXTC) for Mesa.")
      `(#:configure-flags
        '(,@(match (%current-system)
              ((or "armhf-linux" "aarch64-linux")
-              ;; TODO: Fix svga driver for aarch64 and armhf.
+              ;; TODO: Fix svga driver for non-Intel architectures.
               
'("-Dgallium-drivers=etnaviv,freedreno,kmsro,lima,nouveau,panfrost,r300,r600,swrast,tegra,v3d,vc4,virgl"))
+             ("powerpc64le-linux"
+              '("-Dgallium-drivers=nouveau,r300,r600,radeonsi,swrast,virgl"))
              (_
               
'("-Dgallium-drivers=iris,nouveau,r300,r600,radeonsi,svga,swrast,virgl")))
          ;; Enable various optional features.  TODO: opencl requires libclc,
@@ -313,16 +315,18 @@ also known as DXTn or DXTC) for Mesa.")
          "-Dgbm=true"
          "-Dshared-glapi=true"
 
-         ;; Enable Vulkan on i686-linux and x86-64-linux.
+         ;; Explicitly enable Vulkan on some architectures.
          ,@(match (%current-system)
              ((or "i686-linux" "x86_64-linux")
               '("-Dvulkan-drivers=intel,amd"))
+             ("powerpc64le-linux"
+              '("-Dvulkan-drivers=amd"))
              (_
               '("-Dvulkan-drivers=auto")))
 
-         ;; Enable the Vulkan overlay layer on i686-linux and x86-64-linux.
+         ;; Enable the Vulkan overlay layer on architectures using llvm.
          ,@(match (%current-system)
-             ((or "x86_64-linux" "i686-linux")
+             ((or "x86_64-linux" "i686-linux" "powerpc64le-linux")
               '("-Dvulkan-overlay-layer=true"))
              (_
               '()))
@@ -336,6 +340,9 @@ also known as DXTn or DXTC) for Mesa.")
              ((or "x86_64-linux" "i686-linux")
               '("-Ddri-drivers=i915,i965,nouveau,r200,r100"
                 "-Dllvm=true"))         ; default is x86/x86_64 only
+             ("powerpc64le-linux"
+              '("-Ddri-drivers=nouveau,r200,r100"
+                "-Dllvm=true"))
              (_
               '("-Ddri-drivers=nouveau,r200,r100"))))
 
@@ -349,6 +356,15 @@ also known as DXTn or DXTC) for Mesa.")
                   (guix build meson-build-system))
        #:phases
        (modify-phases %standard-phases
+         ,@(if (string-prefix? "powerpc64le" (or (%current-target-system)
+                                                 (%current-system)))
+               ;; Disable some of the llvmpipe tests.
+               `((add-after 'unpack 'disable-failing-test
+                   (lambda _
+                     (substitute* "src/gallium/drivers/llvmpipe/lp_test_arit.c"
+                       (("0\\.5, ") ""))
+                     #t)))
+               '())
          ,@(if (string-prefix? "i686" (or (%current-target-system)
                                           (%current-system)))
                ;; Disable new test from Mesa 19 that fails on i686.  Upstream
@@ -383,7 +399,7 @@ also known as DXTn or DXTC) for Mesa.")
              (let ((out (assoc-ref outputs "out"))
                    (bin (assoc-ref outputs "bin")))
                ,@(match (%current-system)
-                   ((or "i686-linux" "x86_64-linux")
+                   ((or "i686-linux" "x86_64-linux" "powerpc64le-linux")
                     ;; Install the Vulkan overlay control script to a separate
                     ;; output to prevent a reference on Python, saving ~70 MiB
                     ;; on the closure size.