From 688232dcd4e8f97f4670729681dd69b051fd0457 Mon Sep 17 00:00:00 2001
From: Gaetan Lepage <gaetan@glepage.com>
Date: Tue, 18 Feb 2025 13:50:25 +0100
Subject: [PATCH] opencv: add missing hash for ipp support

---
 pkgs/development/libraries/opencv/4.x.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/opencv/4.x.nix b/pkgs/development/libraries/opencv/4.x.nix
index f7b5fc367523..aa1142c9070f 100644
--- a/pkgs/development/libraries/opencv/4.x.nix
+++ b/pkgs/development/libraries/opencv/4.x.nix
@@ -141,7 +141,7 @@ let
       owner = "opencv";
       repo = "opencv_3rdparty";
       rev = "7f55c0c26be418d494615afca15218566775c725";
-      hash = "";
+      hash = "sha256-XbmS+FXUL8MAG7kawbDkb2XHG9R0DpPhiYhq/18eTnY=";
     } + "/ippicv";
     files = let name = platform: "ippicv_2021.10.0_${platform}_20230919_general.tgz"; in
       if effectiveStdenv.hostPlatform.system == "x86_64-linux" then
@@ -555,6 +555,7 @@ effectiveStdenv.mkDerivation {
 
     tests = {
       inherit (gst_all_1) gst-plugins-bad;
+      withIpp = opencv4.override { enableIpp = true; };
     }
     // optionalAttrs (!effectiveStdenv.hostPlatform.isDarwin) { inherit qimgv; }
     // optionalAttrs (!enablePython) { pythonEnabled = pythonPackages.opencv4; }