SDL2_image: refactor

- internalize `darwin`
- reorder input set
  - new input: enableSdltest
- reorder buildInputs
- rewrite configureFlags
- get rid of nested with
- SDL team

Caution: can cause mass rebuilds.

pkgs/by-name/sd/SDL2_image/package.nix

@@ -1,8 +1,25 @@
-{ lib, stdenv, fetchurl
-, pkg-config
-, SDL2, libpng, libjpeg, libtiff, giflib, libwebp, libXpm, zlib, Foundation
+{
+  lib,
+  SDL2,
+  darwin,
+  fetchurl,
+  giflib,
+  libXpm,
+  libjpeg,
+  libpng,
+  libtiff,
+  libwebp,
+  pkg-config,
+  stdenv,
+  zlib,
+  # Boolean flags
+  ## Darwin headless will hang when trying to run the SDL test program
+  enableSdltest ? (!stdenv.isDarwin),
 }:
 
+let
+  inherit (darwin.apple_sdk.frameworks) Foundation;
+in
 stdenv.mkDerivation (finalAttrs: {
   pname = "SDL2_image";
   version = "2.8.2";
@@ -14,29 +31,42 @@ stdenv.mkDerivation (finalAttrs: {
 
   nativeBuildInputs = [ pkg-config ];
 
-  buildInputs = [ SDL2 libpng libjpeg libtiff giflib libwebp libXpm zlib ]
-    ++ lib.optional stdenv.isDarwin Foundation;
+  buildInputs = [
+    SDL2
+    giflib
+    libXpm
+    libjpeg
+    libpng
+    libtiff
+    libwebp
+    zlib
+  ]
+  ++ lib.optionals stdenv.isDarwin [
+    Foundation
+  ];
 
   configureFlags = [
     # Disable dynamically loaded dependencies
-    "--disable-jpg-shared"
-    "--disable-png-shared"
-    "--disable-tif-shared"
-    "--disable-webp-shared"
+    (lib.enableFeature false "jpg-shared")
+    (lib.enableFeature false "png-shared")
+    (lib.enableFeature false "tif-shared")
+    (lib.enableFeature false "webp-shared")
+    (lib.enableFeature enableSdltest "sdltest")
   ] ++ lib.optionals stdenv.isDarwin [
-    # Darwin headless will hang when trying to run the SDL test program
-    "--disable-sdltest"
     # Don't use native macOS frameworks
-    "--disable-imageio"
+    # Caution: do not set this as (!stdenv.isDarwin) since it would be true
+    # outside Darwin - and ImageIO does not exist outisde Darwin
+    (lib.enableFeature false "imageio")
   ];
 
   enableParallelBuilding = true;
 
-  meta = with lib; {
+  meta = {
     description = "SDL image library";
-    homepage = "http://www.libsdl.org/projects/SDL_image/";
-    platforms = platforms.unix;
-    license = licenses.zlib;
-    maintainers = with maintainers; [ cpages ];
+    homepage = "https://github.com/libsdl-org/SDL_image";
+    license = lib.licenses.zlib;
+    maintainers = lib.teams.sdl.members
+                 ++ (with lib.maintainers; [ cpages ]);
+    platforms = lib.platforms.unix;
   };
 })

pkgs/top-level/all-packages.nix

@@ -23980,9 +23980,6 @@ with pkgs;
     inherit (darwin.apple_sdk.frameworks) AudioUnit Cocoa CoreAudio CoreServices ForceFeedback OpenGL;
   };
 
-  SDL2_image = callPackage ../by-name/sd/SDL2_image/package.nix {
-    inherit (darwin.apple_sdk.frameworks) Foundation;
-  };
   # Pinned for pygame, toppler
   SDL2_image_2_0 = SDL2_image.overrideAttrs (oldAttrs: {
     version = "2.0.5";