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-rw-r--r--pkgs/development/libraries/opencv/3.x.nix18
-rw-r--r--pkgs/top-level/all-packages.nix1
2 files changed, 9 insertions, 10 deletions
diff --git a/pkgs/development/libraries/opencv/3.x.nix b/pkgs/development/libraries/opencv/3.x.nix
index b5ee83ddfe8..51be387d75c 100644
--- a/pkgs/development/libraries/opencv/3.x.nix
+++ b/pkgs/development/libraries/opencv/3.x.nix
@@ -242,15 +242,15 @@ stdenv.mkDerivation rec {
     (opencvFlag "CUBLAS" enableCuda)
   ] ++ lib.optionals enableCuda [
     "-DCUDA_FAST_MATH=ON"
-    "-DCUDA_HOST_COMPILER=${cudatoolkit.cc}/bin/gcc"
-  ]
-    ++ lib.optionals stdenv.isDarwin [
-      "-DWITH_OPENCL=OFF"
-      "-DWITH_LAPACK=OFF"
-
-      # On OS X the tiny-dnn-1.0.0a3 dependency of dnn_modern fails to build.
-      "-DBUILD_opencv_dnn_modern=OFF"
-    ];
+    "-DCUDA_HOST_COMPILER=${cudatoolkit.cc}/bin/cc"
+    "-DCUDA_NVCC_FLAGS=--expt-relaxed-constexpr"
+  ] ++ lib.optionals stdenv.isDarwin [
+    "-DWITH_OPENCL=OFF"
+    "-DWITH_LAPACK=OFF"
+
+    # On OS X the tiny-dnn-1.0.0a3 dependency of dnn_modern fails to build.
+    "-DBUILD_opencv_dnn_modern=OFF"
+  ];
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 0f435228978..fac3bbcec5b 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -10623,7 +10623,6 @@ with pkgs;
 
   opencv3 = callPackage ../development/libraries/opencv/3.x.nix {
     enableCuda = config.cudaSupport or false;
-    cudatoolkit = cudatoolkit8;
     inherit (darwin.apple_sdk.frameworks) AVFoundation Cocoa QTKit VideoDecodeAcceleration;
   };