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-rw-r--r--pkgs/development/python-modules/libgpuarray/default.nix7
1 files changed, 5 insertions, 2 deletions
diff --git a/pkgs/development/python-modules/libgpuarray/default.nix b/pkgs/development/python-modules/libgpuarray/default.nix
index 26fe33995ed..14e83584678 100644
--- a/pkgs/development/python-modules/libgpuarray/default.nix
+++ b/pkgs/development/python-modules/libgpuarray/default.nix
@@ -9,10 +9,13 @@
 , nose
 , Mako
 , python
-, cudaSupport ? false, cudatoolkit
+, cudaSupport ? false, cudatoolkit , nvidia_x11
 , openclSupport ? true, ocl-icd, clblas
 }:
 
+assert cudaSupport -> nvidia_x11 != null
+                   && cudatoolkit != null;
+
 buildPythonPackage rec {
   pname = "libgpuarray";
   version = "0.7.5";
@@ -32,7 +35,7 @@ buildPythonPackage rec {
 
   libraryPath = lib.makeLibraryPath (
     []
-    ++ lib.optionals cudaSupport [ cudatoolkit.lib cudatoolkit.out ]
+    ++ lib.optionals cudaSupport [ cudatoolkit.lib cudatoolkit.out nvidia_x11 ]
     ++ lib.optionals openclSupport ([ clblas ] ++ lib.optional (!stdenv.isDarwin) ocl-icd)
   );