From c1e23e9f2f5f6248040fa302a882b1077d042505 Mon Sep 17 00:00:00 2001
From: OPNA2608 <opna2608@protonmail.com>
Date: Thu, 4 Jun 2026 16:34:55 +0200
Subject: [PATCH] openexr: Disable more known-broken tests on big-endian

Issue seems to come from OpenJPH lacking correct handling of endianness, leading to failures when OpenEXR tries to use it in tests.
---
 pkgs/development/libraries/openexr/3.nix | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/pkgs/development/libraries/openexr/3.nix b/pkgs/development/libraries/openexr/3.nix
index 11d5c376c025..efecd33bef35 100644
--- a/pkgs/development/libraries/openexr/3.nix
+++ b/pkgs/development/libraries/openexr/3.nix
@@ -78,6 +78,14 @@ stdenv.mkDerivation rec {
     "OpenEXR.testSampleImages"
     "OpenEXR.testSharedFrameBuffer"
     "OpenEXR.testTiledRgba"
+
+    # Lack of proper endianness handling in OpenJPH
+    # https://github.com/aous72/OpenJPH/issues/266
+    # "ojph error 0x00050041 at ojph_params.cpp:687: error reading SIZ marker", and similar errors
+    "OpenEXR.testConversion"
+    "OpenEXR.testExistingStreams"
+    "OpenEXR.testLargeDataWindowOffsets"
+    "OpenEXR.testTiledCompression"
   ];
 
   passthru.tests = {