From eca1520ebbccb9bc678885426173b089c2401009 Mon Sep 17 00:00:00 2001
From: Harrison Houghton <hora.rhino@gmail.com>
Date: Sun, 9 May 2021 15:11:45 -0400
Subject: [PATCH] pdf2djvu: unbreak

The released version requires "poppler-splash", but as of 20.12, that
package is not part of poppler, it seems. The included patch is already
merged to jwilk/pdf2jdvu:master, and simply changes the requirement to
"poppler" only.
---
 pkgs/tools/typesetting/pdf2djvu/default.nix | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/pkgs/tools/typesetting/pdf2djvu/default.nix b/pkgs/tools/typesetting/pdf2djvu/default.nix
index 370d54adde9..47256f9f7ee 100644
--- a/pkgs/tools/typesetting/pdf2djvu/default.nix
+++ b/pkgs/tools/typesetting/pdf2djvu/default.nix
@@ -1,6 +1,7 @@
 { stdenv
 , lib
 , fetchFromGitHub
+, fetchpatch
 , autoreconfHook
 , gettext
 , libtool
@@ -25,6 +26,15 @@ stdenv.mkDerivation rec {
     sha256 = "1igabfy3fd7qndihmkfk9incc15pjxpxh2cn5pfw5fxfwrpjrarn";
   };
 
+  patches = [
+    # Not included in 0.9.17.1, but will be in the next version.
+    (fetchpatch {
+      name = "no-poppler-splash.patch";
+      url = "https://github.com/jwilk/pdf2djvu/commit/2ec7eee57a47bbfd296badaa03dc20bf71b50201.patch";
+      sha256 = "03kap7k2j29r16qgl781cxpswzg3r2yn513cqycgl0vax2xj3gly";
+    })
+  ];
+
   nativeBuildInputs = [ autoreconfHook pkg-config ];
 
   buildInputs = [