From d45cdb2f3eaa508b741ff854bf6edc9f22cc4bad Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Niklas=20Hamb=C3=BCchen?= <mail@nh2.me>
Date: Thu, 18 Feb 2021 19:04:11 +0100
Subject: [PATCH] libjpeg-turbo: Optionally build Java wrapper

---
 pkgs/development/libraries/libjpeg-turbo/default.nix | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/libjpeg-turbo/default.nix b/pkgs/development/libraries/libjpeg-turbo/default.nix
index 2426dfebe8a..f2d4e00d1aa 100644
--- a/pkgs/development/libraries/libjpeg-turbo/default.nix
+++ b/pkgs/development/libraries/libjpeg-turbo/default.nix
@@ -1,4 +1,6 @@
 { lib, stdenv, fetchFromGitHub, cmake, nasm
+, openjdk
+, enableJava ? false # whether to build the java wrapper
 , enableStatic ? stdenv.hostPlatform.isStatic
 , enableShared ? !stdenv.hostPlatform.isStatic
 }:
@@ -26,11 +28,18 @@ stdenv.mkDerivation rec {
     moveToOutput include/transupp.h $dev_private
   '';
 
-  nativeBuildInputs = [ cmake nasm ];
+  nativeBuildInputs = [
+    cmake
+    nasm
+  ] ++ lib.optionals enableJava [
+    openjdk
+  ];
 
   cmakeFlags = [
     "-DENABLE_STATIC=${if enableStatic then "1" else "0"}"
     "-DENABLE_SHARED=${if enableShared then "1" else "0"}"
+  ] ++ lib.optionals enableJava [
+    "-DWITH_JAVA=1"
   ];
 
   doInstallCheck = true;