From 59013380135f1373a198b4eaf37782965d307258 Mon Sep 17 00:00:00 2001
From: Someone Serge <sergei.kozlukov@aalto.fi>
Date: Thu, 14 Apr 2022 21:40:30 +0300
Subject: faiss: build with thrust from cuda_cccl

...instead of the separately built nvidia-thrust
---
 pkgs/development/libraries/science/math/faiss/default.nix | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/libraries/science/math/faiss/default.nix b/pkgs/development/libraries/science/math/faiss/default.nix
index 48d22bf178edc..7ffd8f947e48d 100644
--- a/pkgs/development/libraries/science/math/faiss/default.nix
+++ b/pkgs/development/libraries/science/math/faiss/default.nix
@@ -6,8 +6,9 @@
 , cmake
 , cudaPackages ? { }
 , cudaSupport ? config.cudaSupport or false
-, pythonSupport ? true
 , nvidia-thrust
+, useThrustSourceBuild ? true
+, pythonSupport ? true
 , pythonPackages
 , llvmPackages
 , boost
@@ -42,6 +43,10 @@ let
       libcublas
       libcurand
       cuda_nvprof # cuda_profiler_api.h
+    ] ++ lib.optionals useThrustSourceBuild [
+      nvidia-thrust
+    ] ++ lib.optionals (!useThrustSourceBuild) [
+      cuda_cccl
     ];
   };
 in
@@ -68,7 +73,6 @@ stdenv.mkDerivation {
     llvmPackages.openmp
   ] ++ lib.optionals cudaSupport [
     cudaJoined
-    nvidia-thrust
   ];
 
   propagatedBuildInputs = lib.optionals pythonSupport [
-- 
cgit 1.4.1