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10/10: gnu: mesa: Add support for powerpc-linux.


From: guix-commits
Subject: 10/10: gnu: mesa: Add support for powerpc-linux.
Date: Fri, 1 May 2020 04:19:34 -0400 (EDT)

efraim pushed a commit to branch wip-ppc
in repository guix.

commit 00ffe477d983ab79f6aedcce9619850747e05326
Author: Efraim Flashner <address@hidden>
AuthorDate: Thu Apr 30 20:51:29 2020 +0300

    gnu: mesa: Add support for powerpc-linux.
    
    * gnu/packages/gl.scm (mesa)[inputs]: Add llvm-9, glslang for powerpc.
    [arguments]: Customize the configure flags for powerpc. Skip tests on
    powerpc.
---
 gnu/packages/gl.scm | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/gnu/packages/gl.scm b/gnu/packages/gl.scm
index 710c602..3c39b52 100644
--- a/gnu/packages/gl.scm
+++ b/gnu/packages/gl.scm
@@ -6,7 +6,7 @@
 ;;; Copyright © 2016 ng0 <address@hidden>
 ;;; Copyright © 2016, 2017, 2018, 2020 Ricardo Wurmus <address@hidden>
 ;;; Copyright © 2016 David Thompson <address@hidden>
-;;; Copyright © 2017, 2018, 2019 Efraim Flashner <address@hidden>
+;;; Copyright © 2017, 2018, 2019, 2020 Efraim Flashner <address@hidden>
 ;;; Copyright © 2017 Arun Isaac <address@hidden>
 ;;; Copyright © 2017, 2018, 2019 Rutger Helling <address@hidden>
 ;;; Copyright © 2018, 2019 Tobias Geerinckx-Rice <address@hidden>
@@ -267,7 +267,7 @@ 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" "powerpc-linux")
              ;; Note: update the 'clang' input of mesa-opencl when bumping 
this.
              `(("llvm" ,llvm-9)))
             (_
@@ -280,7 +280,7 @@ 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" "powerpc-linux")
              `(("glslang" ,glslang)))
             (_
              `()))
@@ -294,6 +294,8 @@ also known as DXTn or DXTC) for Mesa.")
              ((or "armhf-linux" "aarch64-linux")
               ;; TODO: Fix svga driver for aarch64 and armhf.
               
'("-Dgallium-drivers=etnaviv,freedreno,kmsro,lima,nouveau,panfrost,r300,r600,swrast,tegra,v3d,vc4,virgl"))
+             ("powerpc-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,
@@ -314,12 +316,14 @@ also known as DXTn or DXTC) for Mesa.")
          ,@(match (%current-system)
              ((or "i686-linux" "x86_64-linux")
               '("-Dvulkan-drivers=intel,amd"))
+             ("powerpc-linux"   ; No default on this platform.
+              '("-Dvulkan-drivers=amd"))
              (_
               '("-Dvulkan-drivers=auto")))
 
          ;; Enable the Vulkan overlay layer on i686-linux and x86-64-linux.
          ,@(match (%current-system)
-             ((or "x86_64-linux" "i686-linux")
+             ((or "x86_64-linux" "i686-linux" "powerpc-linux")
               '("-Dvulkan-overlay-layer=true"))
              (_
               '()))
@@ -333,6 +337,9 @@ 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
+             ("powerpc-linux"
+              '("-Ddri-drivers=nouveau,r200,r100"
+                "-Dllvm=true"))
              (_
               '("-Ddri-drivers=nouveau,r200,r100"))))
 
@@ -340,6 +347,12 @@ also known as DXTn or DXTC) for Mesa.")
        ;; documentation recommends using 'release' for performance anyway.
        #:build-type "release"
 
+       ;; Skip the tests on powerpc-linux. There are some 'close enough'
+       ;; results mixed in with 32-bit rounding and big-endian errors.
+       #:tests? ,(if (string=? "powerpc-linux" (or (%current-system)
+                                                   (%current-target-system)))
+                   '#f '#t)
+
        #:modules ((ice-9 match)
                   (srfi srfi-1)
                   (guix build utils)



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