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-rw-r--r--pkgs/applications/science/math/caffe/default.nix10
1 files changed, 8 insertions, 2 deletions
diff --git a/pkgs/applications/science/math/caffe/default.nix b/pkgs/applications/science/math/caffe/default.nix
index 527c96f4d64c..42c160393595 100644
--- a/pkgs/applications/science/math/caffe/default.nix
+++ b/pkgs/applications/science/math/caffe/default.nix
@@ -1,12 +1,13 @@
 { config, stdenv, lib
 , fetchFromGitHub
 , fetchurl
+, fetchpatch
 , cmake
 , boost
 , gflags
 , glog
 , hdf5-cpp
-, opencv3
+, opencv4
 , protobuf
 , doxygen
 , blas
@@ -71,7 +72,7 @@ stdenv.mkDerivation rec {
       ++ ["-DUSE_LEVELDB=${toggle leveldbSupport}"]
       ++ ["-DUSE_LMDB=${toggle lmdbSupport}"];
 
-  buildInputs = [ boost gflags glog protobuf hdf5-cpp opencv3 blas ]
+  buildInputs = [ boost gflags glog protobuf hdf5-cpp opencv4 blas ]
                 ++ lib.optional cudaSupport cudatoolkit
                 ++ lib.optional cudnnSupport cudnn
                 ++ lib.optional lmdbSupport lmdb
@@ -96,6 +97,11 @@ stdenv.mkDerivation rec {
 
   patches = [
     ./darwin.patch
+    (fetchpatch {
+       name = "support-opencv4";
+       url = "https://github.com/BVLC/caffe/pull/6638/commits/0a04cc2ccd37ba36843c18fea2d5cbae6e7dd2b5.patch";
+       hash = "sha256-ZegTvp0tTHlopQv+UzHDigs6XLkP2VfqLCWXl6aKJSI=";
+     })
   ] ++ lib.optional pythonSupport (substituteAll {
     src = ./python.patch;
     inherit (python.sourceVersion) major minor;  # Should be changed in case of PyPy