From 5a8bf2c32bebd248e957a1822cfb60ca6c3e40ff Mon Sep 17 00:00:00 2001
From: artuuge <artuuge@gmail.com>
Date: Sat, 2 Jul 2016 00:46:20 +0200
Subject: [PATCH] cpp_ethereum: use the ocl-icd package

---
 .../misc/webthree-umbrella/default.nix        | 48 +++++--------------
 pkgs/top-level/all-packages.nix               |  3 +-
 2 files changed, 13 insertions(+), 38 deletions(-)

diff --git a/pkgs/applications/misc/webthree-umbrella/default.nix b/pkgs/applications/misc/webthree-umbrella/default.nix
index bfdafc3ce398..3bf3142ad9c6 100644
--- a/pkgs/applications/misc/webthree-umbrella/default.nix
+++ b/pkgs/applications/misc/webthree-umbrella/default.nix
@@ -13,16 +13,9 @@
 , libmicrohttpd
 , mesa
 
+, withOpenCL ? false
 , opencl-headers ? null
-
-, withAMD ? false
-, amdappsdk ? null
-
-, withBeignet ? false
-, beignet ? null
-
-, withCUDA ? false
-, nvidia_x11 ? null
+, ocl-icd ? null
 
 , withGUI ? false
 , qtwebengine ? null
@@ -40,21 +33,11 @@
 , extraCmakeFlags ? []
 }:
 
-assert withAMD -> (amdappsdk != null);
-assert withBeignet -> (beignet != null);
-assert withCUDA -> (nvidia_x11 != null);
-assert stdenv.lib.findSingle (x: x) true false [ withAMD withBeignet withCUDA ];
-
+assert withOpenCL -> (opencl-headers != null) && (ocl-icd != null);
 assert withGUI -> (qtwebengine != null) && (qtbase != null) && (qtdeclarative != null);
 assert withProfiling -> (gperftools != null);
 assert withEVMJIT -> (llvm != null) && (zlib != null) && (ncurses != null);
 
-let
-  withOpenCL = (stdenv.lib.any (x: x) [ withAMD withBeignet withCUDA ]);
-in
-
-assert withOpenCL -> (opencl-headers != null);
-
 stdenv.mkDerivation rec {
   name = "cpp-ethereum-${version}";
   version = "1.2.9";
@@ -65,20 +48,16 @@ stdenv.mkDerivation rec {
     sha256 = "0k8w8gqzy71x77p0p85r38gfdnzrlzk2yvb3ablml9ppg4qb4ch5";
   };
 
-  patchPhase = stdenv.lib.optional withBeignet ''
-    sed -i -re 's#NAMES\ (OpenCL.*)#NAMES\ libcl.so\ \1#g' webthree-helpers/cmake/FindOpenCL.cmake
-  '';
-
   cmakeFlags = with stdenv.lib; concatStringsSep " " (flatten [
     "-DCMAKE_BUILD_TYPE=Release"
     "-DGUI=${toString withGUI}"
     "-DETHASHCL=${toString withOpenCL}"
     "-DPROFILING=${toString withProfiling}"
     "-DEVMJIT=${toString withEVMJIT}"
-    (optional withOpenCL "-DCMAKE_INCLUDE_PATH=${opencl-headers}/include")
-    (optional withAMD "-DCMAKE_LIBRARY_PATH=${amdappsdk}/lib")
-    (optional withBeignet "-DCMAKE_LIBRARY_PATH=${beignet}/lib/beignet")
-    (optional withCUDA "-DCMAKE_LIBRARY_PATH=${nvidia_x11}/lib")
+    (optional withOpenCL [
+      "-DCMAKE_INCLUDE_PATH=${opencl-headers}/include"
+      "-DCMAKE_LIBRARY_PATH=${ocl-icd}/lib"
+    ])
     (optional withEVMJIT "-DCMAKE_PREFIX_PATH=${llvm}")
     extraCmakeFlags
   ]);
@@ -106,10 +85,10 @@ stdenv.mkDerivation rec {
     curl
     libmicrohttpd
     mesa
-    (optional withOpenCL opencl-headers)
-    (optional withAMD amdappsdk)
-    (optional withBeignet beignet)
-    (optional withCUDA nvidia_x11)
+    (optional withOpenCL [
+      opencl-headers
+      ocl-icd
+    ])
     (optional withGUI [
       qtwebengine
       qtbase
@@ -123,10 +102,7 @@ stdenv.mkDerivation rec {
     ])
   ];
 
-  runPath = with stdenv.lib; concatStringsSep ":" (flatten [
-    (makeLibraryPath (flatten [ stdenv.cc.cc buildInputs ]))
-    (optional withBeignet "${beignet}/lib/beignet")
-  ]);
+  runPath = with stdenv.lib; (makeLibraryPath (flatten [ stdenv.cc.cc buildInputs ]));
 
   installPhase = ''
     make install
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 739a70938be6..b6e2e7c89f74 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -12251,8 +12251,7 @@ in
   conkeror = self.wrapFirefox conkeror-unwrapped { };
 
   cpp_ethereum = callPackage ../applications/misc/webthree-umbrella {
-    # withCUDA = true;
-    # inherit (linuxPackages) nvidia_x11;
+    withOpenCL = true;
 
     # withEVMJIT = true;
     # inherit (pkgs.llvmPackages_38) llvm;