From 3e2fd0eb8a0342d1b3587d0dc7a40ae6662a8a1f Mon Sep 17 00:00:00 2001
From: Marcin Serwin <marcin@serwin.dev>
Date: Thu, 17 Apr 2025 21:27:12 +0200
Subject: [PATCH] SDL2_image: add option to build without STB backend

---
 pkgs/by-name/sd/SDL2_image/package.nix | 26 ++++++++++++++++----------
 1 file changed, 16 insertions(+), 10 deletions(-)

diff --git a/pkgs/by-name/sd/SDL2_image/package.nix b/pkgs/by-name/sd/SDL2_image/package.nix
index 2672f76d3f8b..ba907e6a93d5 100644
--- a/pkgs/by-name/sd/SDL2_image/package.nix
+++ b/pkgs/by-name/sd/SDL2_image/package.nix
@@ -14,6 +14,7 @@
   stdenv,
   zlib,
   # Boolean flags
+  enableSTB ? true,
   ## Darwin headless will hang when trying to run the SDL test program
   enableSdltest ? (!stdenv.hostPlatform.isDarwin),
 }:
@@ -36,16 +37,20 @@ stdenv.mkDerivation (finalAttrs: {
     pkg-config
   ];
 
-  buildInputs = [
-    SDL2
-    giflib
-    libXpm
-    libjpeg
-    libpng
-    libtiff
-    libwebp
-    zlib
-  ] ++ lib.optionals stdenv.hostPlatform.isDarwin [ Foundation ];
+  buildInputs =
+    [
+      SDL2
+      giflib
+      libXpm
+      libtiff
+      libwebp
+      zlib
+    ]
+    ++ lib.optionals (!enableSTB) [
+      libjpeg
+      libpng
+    ]
+    ++ lib.optionals stdenv.hostPlatform.isDarwin [ Foundation ];
 
   configureFlags =
     [
@@ -54,6 +59,7 @@ stdenv.mkDerivation (finalAttrs: {
       (lib.enableFeature false "png-shared")
       (lib.enableFeature false "tif-shared")
       (lib.enableFeature false "webp-shared")
+      (lib.enableFeature enableSTB "stb-image")
       (lib.enableFeature enableSdltest "sdltest")
     ]
     ++ lib.optionals stdenv.hostPlatform.isDarwin [