From 286a1ee6d83e70dd926a7a394865f3e332eb16d3 Mon Sep 17 00:00:00 2001
From: Indy Ray <arelius@gmail.com>
Date: Fri, 9 Feb 2024 12:00:29 -0800
Subject: [PATCH] djv: Adding OpenEXR Support

Just adding openexr.dev as an input, and patching FindOpenEXR.cmake to find the correct directory.
---
 pkgs/applications/graphics/djv/default.nix | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/pkgs/applications/graphics/djv/default.nix b/pkgs/applications/graphics/djv/default.nix
index 735807691af7..17d789a9f20d 100644
--- a/pkgs/applications/graphics/djv/default.nix
+++ b/pkgs/applications/graphics/djv/default.nix
@@ -17,6 +17,7 @@
 , libpng
 , opencolorio_1
 , freetype
+, openexr
 }:
 
 let
@@ -145,11 +146,12 @@ stdenv.mkDerivation rec {
     ilmbase
     glm
     glfw3
-    zlib.dev
+    zlib
     libpng
     freetype
     opencolorio_1
     djv-deps
+    openexr
   ];
 
   postPatch = ''
@@ -162,6 +164,13 @@ stdenv.mkDerivation rec {
     sed -i cmake/Modules/FindOCIO.cmake \
         -e 's/PATH_SUFFIXES static//' \
         -e '/OpenColorIO_STATIC/d'
+
+    # When searching for OpenEXR this looks for Iex.h, which exists in ilmbase,
+    # since it's a secondary inport, to find the correct OpenEXR lib, we search
+    # for something specifically in OpenEXR.
+
+    sed -i cmake/Modules/FindOpenEXR.cmake \
+        -e 's/find_path(OpenEXR_INCLUDE_DIR NAMES Iex.h PATH_SUFFIXES OpenEXR)/find_path(OpenEXR_INCLUDE_DIR NAMES ImfImage.h PATH_SUFFIXES OpenEXR)/'
   '';
 
   # GLFW requires a working X11 session.