From c623309976b707a9c6e8c02b566f4239779ce4ac Mon Sep 17 00:00:00 2001
From: Robert Scott <code@humanleg.org.uk>
Date: Sat, 28 Jan 2023 16:19:10 +0000
Subject: tesseract: 3.05.00 -> 3.05.02

fix build with leptonica 1.83
---
 pkgs/applications/graphics/tesseract/tesseract3.nix | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

(limited to 'pkgs/applications/graphics/tesseract')

diff --git a/pkgs/applications/graphics/tesseract/tesseract3.nix b/pkgs/applications/graphics/tesseract/tesseract3.nix
index 16365674706ed..bf19d0f77eb6f 100644
--- a/pkgs/applications/graphics/tesseract/tesseract3.nix
+++ b/pkgs/applications/graphics/tesseract/tesseract3.nix
@@ -3,15 +3,23 @@
 
 stdenv.mkDerivation rec {
   pname = "tesseract";
-  version = "3.05.00";
+  version = "3.05.02";
 
   src = fetchFromGitHub {
     owner = "tesseract-ocr";
     repo = "tesseract";
     rev = version;
-    hash = "sha256-YHj00gG/3SW0ILTiQwphiCxuP9OCDya27hyFQB27mYc=";
+    hash = "sha256-28osuZnVwkJpNTYkU+5D5PI8xtViFzGCMScHzkS2H20=";
   };
 
+  # leptonica 1.83 made internal structures private. using internal headers isn't
+  # great, but tesseract3's days are numbered anyway
+  postPatch = ''
+    for f in textord/devanagari_processing.cpp cube/cube_line_object.h cube/cube_line_segmenter.h cube/cube_utils.h ; do
+      sed -i '/allheaders.h/a#include "pix_internal.h"' "$f"
+    done
+  '';
+
   enableParallelBuilding = true;
 
   nativeBuildInputs = [
-- 
cgit 1.4.1