From efe94c085be78286c4f7ce493b37a9d360f26820 Mon Sep 17 00:00:00 2001
From: Guanpeng Xu <herberteuler@gmail.com>
Date: Wed, 21 Oct 2020 08:36:54 +0800
Subject: [PATCH] mathematica: use opencv4

The default opencv2 is marked broken at 5e68d203, and it is suggested
there that the current release is 4.x.
---
 pkgs/applications/science/math/mathematica/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/applications/science/math/mathematica/default.nix b/pkgs/applications/science/math/mathematica/default.nix
index ace5ee55d7b1..e4c754d8479c 100644
--- a/pkgs/applications/science/math/mathematica/default.nix
+++ b/pkgs/applications/science/math/mathematica/default.nix
@@ -12,7 +12,7 @@
 , glib
 , libssh2
 , ncurses
-, opencv2
+, opencv4
 , openssl
 , unixODBC
 , xkeyboard_config
@@ -49,7 +49,7 @@ stdenv.mkDerivation rec {
     glib
     libssh2
     ncurses
-    opencv2
+    opencv4
     openssl
     stdenv.cc.cc.lib
     unixODBC