[bug#31436] [PATCH 4/6] gnu: Add beignet.

[Fis Trivial <ybbs.daans@hotmail.com>]

* gnu/packages/patches/beignet-correct-paths.patch: New file.
* gnu/local.mk: Add it.
* gnu/packages/opencl.scm (beignet): New variable.
---
 gnu/local.mk                                     |  1 +
 gnu/packages/opencl.scm                          | 81 +++++++++++++++++++++++-
 gnu/packages/patches/beignet-correct-paths.patch | 41 ++++++++++++
 3 files changed, 122 insertions(+), 1 deletion(-)
 create mode 100644 gnu/packages/patches/beignet-correct-paths.patch

diff --git a/gnu/local.mk b/gnu/local.mk
index 39d53586d..2631b070e 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -580,6 +580,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/azr3.patch				\
   %D%/packages/patches/bash-completion-directories.patch	\
   %D%/packages/patches/bazaar-CVE-2017-14176.patch		\
+  %D%/packages/patches/beignet-correct-paths.patch		\
   %D%/packages/patches/binutils-ld-new-dtags.patch		\
   %D%/packages/patches/binutils-loongson-workaround.patch	\
   %D%/packages/patches/blast+-fix-makefile.patch		\
diff --git a/gnu/packages/opencl.scm b/gnu/packages/opencl.scm
index a7b639b8c..a84eeac01 100644
--- a/gnu/packages/opencl.scm
+++ b/gnu/packages/opencl.scm
@@ -23,9 +23,20 @@
   #:use-module (guix git-download)
   #:use-module (guix packages)
   #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (gnu packages)
+  #:use-module (gnu packages bison)
+  #:use-module (gnu packages compression)
   #:use-module (gnu packages gnupg)
+  #:use-module (gnu packages gl)
+  #:use-module (gnu packages libedit)
+  #:use-module (gnu packages llvm)
+  #:use-module (gnu packages ncurses)
+  #:use-module (gnu packages pkg-config)
   #:use-module (gnu packages python)
-  #:use-module (gnu packages ruby))
+  #:use-module (gnu packages ruby)
+  #:use-module (gnu packages video)
+  #:use-module (gnu packages xdisorg)
+  #:use-module (gnu packages xorg))
 
 ;; This file adds OpenCL implementation related packages. Due to the fact that
 ;; OpenCL devices are not available during build (store environment), tests are
@@ -151,3 +162,71 @@ Driver).  An OpenCL program can use several ICD thanks to the use of an ICD
 Loader as provided by this project.  This free ICD Loader can load any (free or
 non free) ICD")
     (license license:bsd-2)))
+
+(define-public beignet
+  (package
+    (name "beignet")
+    (version "1.3.2")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/intel/beignet/archive/Release_v"
+                    version
+                    ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "18r0lq3dkd4yn6bxa45s2lrr9cjbg70nr2nn6xablvgqwzw0jb0r"))
+              (patches (search-patches "beignet-correct-paths.patch"))))
+    (native-inputs `(("pkg-config" ,pkg-config)
+                     ("python" ,python)))
+    (inputs `(("clang@3.7" ,clang-3.7)
+              ("clang-runtime@3.7" ,clang-runtime-3.7)
+              ("glu" ,glu)
+              ("llvm@3.7" ,llvm-3.7)
+              ("libdrm" ,libdrm)
+              ("libedit" ,libedit)
+              ("libpthread-stubs", libpthread-stubs)
+              ("libsm" ,libsm)
+              ("libva" ,libva)
+              ("libxfixes" ,libxfixes)
+              ("libxext" ,libxext)
+              ("mesa-utils" ,mesa-utils)
+              ("ncurses" ,ncurses)
+              ("ocl-icd" ,ocl-icd)
+              ("opencl-headers" ,opencl-headers)
+              ("xextproto" ,xextproto)
+              ("zlib" ,zlib)))
+    (build-system cmake-build-system)
+    (arguments
+     `(#:configure-flags
+       (list (string-append "-DCLANG_LIBRARY_DIR="
+                            (assoc-ref %build-inputs "clang@3.7") "/lib")
+             "-DENABLE_GL_SHARING=ON"
+             "-DEXPERIMENTAL_DOUBLE=ON")
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'install 'remove-headers
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let ((out (assoc-ref outputs "out")))
+               (delete-file-recursively
+                (string-append out "/include")))))
+         ;; Kernel files are used for testing. But we don't have test here yet.
+         ;; So copying kernels is just a reminder for the future when we can
+         ;; enable tests.
+         (add-after 'remove-headers 'install-kernels
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (builddir (getcwd))
+                    (source-dir (string-append
+                                 builddir
+                                 "/../beignet-Release_v1.3.2/kernels")))
+               (copy-recursively source-dir (string-append
+                                             out
+                                             "/lib/beignet/kernels"))))))
+       #:tests? #f))
+    (home-page "https://wiki.freedesktop.org/www/Software/Beignet/")
+    (synopsis "Intel's OpenCL framework")
+    (description "Intel's OpenCL framework that works with Intel IvyBridge GPUs
+and above.")
+    (license license:lgpl2.1)))
diff --git a/gnu/packages/patches/beignet-correct-paths.patch b/gnu/packages/patches/beignet-correct-paths.patch
new file mode 100644
index 000000000..0435f9503
--- /dev/null
+++ b/gnu/packages/patches/beignet-correct-paths.patch
@@ -0,0 +1,41 @@
+From 0ba525465782ec3fd6484b7483941344f293d3ab Mon Sep 17 00:00:00 2001
+From: fis <ybbs.daans@hotmail.com>
+Date: Sun, 8 Apr 2018 02:14:44 +0800
+Subject: [PATCH] Correct paths.
+
+* CMake/FindLLVM.cmake (CLANG_LIBRARY_DIR): New vairable.
+* CMakelists: Let cmake figure out where to install icd file.
+---
+ CMake/FindLLVM.cmake | 2 +-
+ CMakeLists.txt       | 2 +-
+ 2 files changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/CMake/FindLLVM.cmake b/CMake/FindLLVM.cmake
+index 5457f248..e8e8f94a 100644
+--- a/CMake/FindLLVM.cmake
++++ b/CMake/FindLLVM.cmake
+@@ -107,7 +107,7 @@ endif (LLVM_VERSION_NODOT VERSION_GREATER 34)
+ macro(add_one_lib name)
+   FIND_LIBRARY(CLANG_LIB
+     NAMES ${name}
+-    PATHS ${LLVM_LIBRARY_DIR} NO_DEFAULT_PATH)
++    PATHS ${CLANG_LIBRARY_DIR} NO_DEFAULT_PATH)
+   set(CLANG_LIBRARIES ${CLANG_LIBRARIES} ${CLANG_LIB})
+ 	unset(CLANG_LIB CACHE)
+ endmacro()
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index c11acbb2..fb99e5c8 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -217,7 +217,7 @@ IF(OCLIcd_FOUND)
+     "intel-beignet.icd.in"
+     "${ICD_FILE_NAME}"
+   )
+-  install (FILES ${CMAKE_CURRENT_BINARY_DIR}/${ICD_FILE_NAME} DESTINATION /etc/OpenCL/vendors)
++  install (FILES ${CMAKE_CURRENT_BINARY_DIR}/${ICD_FILE_NAME} DESTINATION etc/OpenCL/vendors COMPONENT config)
+ ELSE(OCLIcd_FOUND)
+   MESSAGE(STATUS "Looking for OCL ICD header file - not found")
+   MESSAGE(FATAL_ERROR "OCL ICD loader miss. If you really want to disable OCL ICD support, please run cmake with option -DOCLICD_COMPAT=0.")
+-- 
+2.14.3
+
-- 
2.14.3