10 files changed, 21 insertions, 19 deletions
diff --git a/pkgs/applications/audio/faust/faust2jack.nix b/pkgs/applications/audio/faust/faust2jack.nix
index f032f435a35e..26478b2bb2e5 100644
--- a/pkgs/applications/audio/faust/faust2jack.nix
+++ b/pkgs/applications/audio/faust/faust2jack.nix
@@ -2,7 +2,7 @@
 , gtk2
 , jack2Full
 , alsaLib
-, opencv
+, opencv2
 , libsndfile
 }:
 
@@ -20,7 +20,7 @@ faust.wrapWithBuildEnv {
     gtk2
     jack2Full
     alsaLib
-    opencv
+    opencv2
     libsndfile
   ];
 
diff --git a/pkgs/applications/audio/faust/faust2jaqt.nix b/pkgs/applications/audio/faust/faust2jaqt.nix
index 144d19cb01e4..a2f1c2139a1a 100644
--- a/pkgs/applications/audio/faust/faust2jaqt.nix
+++ b/pkgs/applications/audio/faust/faust2jaqt.nix
@@ -1,6 +1,6 @@
 { faust
 , jack2Full
-, opencv
+, opencv2
 , qt4
 , libsndfile
 , which
@@ -17,7 +17,7 @@ faust.wrapWithBuildEnv {
 
   propagatedBuildInputs = [
     jack2Full
-    opencv
+    opencv2
     qt4
     libsndfile
     which
diff --git a/pkgs/applications/gis/saga/default.nix b/pkgs/applications/gis/saga/default.nix
index 05f895bdee15..388ac1ee7a7f 100644
--- a/pkgs/applications/gis/saga/default.nix
+++ b/pkgs/applications/gis/saga/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, gdal, wxGTK30, proj, libiodbc, lzma,
-  libharu, opencv, vigra, postgresql, Cocoa,
+  libharu, opencv2, vigra, postgresql, Cocoa,
   unixODBC , poppler, hdf4, hdf5, netcdf, sqlite, qhull, giflib }:
 
 stdenv.mkDerivation {
@@ -8,7 +8,7 @@ stdenv.mkDerivation {
 
   # See https://groups.google.com/forum/#!topic/nix-devel/h_vSzEJAPXs
   # for why the have additional buildInputs on darwin
-  buildInputs = [ gdal wxGTK30 proj libharu opencv vigra postgresql libiodbc lzma
+  buildInputs = [ gdal wxGTK30 proj libharu opencv2 vigra postgresql libiodbc lzma
                   qhull giflib ]
                 ++ stdenv.lib.optionals stdenv.isDarwin
                   [ Cocoa unixODBC poppler hdf4.out hdf5 netcdf sqlite ];
diff --git a/pkgs/applications/science/math/mathematica/10.nix b/pkgs/applications/science/math/mathematica/10.nix
index c7da7b16da8f..277fb1984c44 100644
--- a/pkgs/applications/science/math/mathematica/10.nix
+++ b/pkgs/applications/science/math/mathematica/10.nix
@@ -8,7 +8,7 @@
 , gcc
 , glib
 , ncurses
-, opencv
+, opencv2
 , openssl
 , unixODBC
 , xorg
@@ -49,7 +49,7 @@ stdenv.mkDerivation rec {
     gcc.libc
     glib
     ncurses
-    opencv
+    opencv2
     openssl
     unixODBC
     libxml2
diff --git a/pkgs/applications/science/math/mathematica/11.nix b/pkgs/applications/science/math/mathematica/11.nix
index 898d6a486351..1c698a5e5428 100644
--- a/pkgs/applications/science/math/mathematica/11.nix
+++ b/pkgs/applications/science/math/mathematica/11.nix
@@ -10,7 +10,7 @@
 , gcc
 , glib
 , ncurses
-, opencv
+, opencv2
 , openssl
 , unixODBC
 , xkeyboard_config
@@ -46,7 +46,7 @@ stdenv.mkDerivation rec {
     gcc.libc
     glib
     ncurses
-    opencv
+    opencv2
     openssl
     unixODBC
     xkeyboard_config
diff --git a/pkgs/applications/science/math/mathematica/9.nix b/pkgs/applications/science/math/mathematica/9.nix
index 617ac8657132..d0967485c01f 100644
--- a/pkgs/applications/science/math/mathematica/9.nix
+++ b/pkgs/applications/science/math/mathematica/9.nix
@@ -8,7 +8,7 @@
 , gcc
 , glib
 , ncurses
-, opencv
+, opencv2
 , openssl
 , unixODBC
 , xorg
@@ -46,7 +46,7 @@ stdenv.mkDerivation rec {
     gcc.libc
     glib
     ncurses
-    opencv
+    opencv2
     openssl
     unixODBC
   ] ++ (with xorg; [
diff --git a/pkgs/applications/science/math/mathematica/default.nix b/pkgs/applications/science/math/mathematica/default.nix
index 7831640b1244..94d72eec6ae4 100644
--- a/pkgs/applications/science/math/mathematica/default.nix
+++ b/pkgs/applications/science/math/mathematica/default.nix
@@ -11,7 +11,7 @@
 , glib
 , libssh2
 , ncurses
-, opencv
+, opencv2
 , openssl
 , unixODBC
 , xkeyboard_config
@@ -47,7 +47,7 @@ stdenv.mkDerivation rec {
     glib
     libssh2
     ncurses
-    opencv
+    opencv2
     openssl
     stdenv.cc.cc.lib
     unixODBC
diff --git a/pkgs/applications/video/p2pvc/default.nix b/pkgs/applications/video/p2pvc/default.nix
index 219954ff9f20..91468ea1ee60 100644
--- a/pkgs/applications/video/p2pvc/default.nix
+++ b/pkgs/applications/video/p2pvc/default.nix
@@ -1,10 +1,10 @@
-{ stdenv, pkgconfig, fetchFromGitHub, opencv, ncurses, portaudio }:
+{ stdenv, pkgconfig, fetchFromGitHub, opencv2, ncurses, portaudio }:
 
 stdenv.mkDerivation {
   name = "p2pvc";
 
   nativeBuildInputs = [ pkgconfig ];
-  buildInputs = [ opencv ncurses portaudio ];
+  buildInputs = [ opencv2 ncurses portaudio ];
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/tools/graphics/pfstools/default.nix b/pkgs/tools/graphics/pfstools/default.nix
index 051adb0742f9..1c437a3f05cd 100644
--- a/pkgs/tools/graphics/pfstools/default.nix
+++ b/pkgs/tools/graphics/pfstools/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, cmake, pkgconfig, darwin
 , openexr, zlib, imagemagick, libGLU, libGL, freeglut, fftwFloat
-, fftw, gsl, libexif, perl, opencv, qt5, netpbm
+, fftw, gsl, libexif, perl, opencv2, qt5, netpbm
 }:
 
 stdenv.mkDerivation rec {
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake pkgconfig ];
   buildInputs = [
     openexr zlib imagemagick fftwFloat
-    fftw gsl libexif perl opencv qt5.qtbase netpbm
+    fftw gsl libexif perl opencv2 qt5.qtbase netpbm
   ] ++ (if stdenv.isDarwin then (with darwin.apple_sdk.frameworks; [
     OpenGL GLUT
   ]) else [
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 7238ab5cd1c7..67363c2b9053 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -13806,7 +13806,7 @@ in
 
   openct = callPackage ../development/libraries/openct { };
 
-  opencv = callPackage ../development/libraries/opencv {
+  opencv2 = callPackage ../development/libraries/opencv {
     inherit (darwin.apple_sdk.frameworks) Cocoa QTKit;
   };
 
@@ -13822,6 +13822,8 @@ in
     inherit (darwin.apple_sdk.frameworks) AVFoundation Cocoa VideoDecodeAcceleration;
   };
 
+  opencv = opencv4;
+
   openexr = callPackage ../development/libraries/openexr { };
 
   openexrid-unstable = callPackage ../development/libraries/openexrid-unstable { };