1 files changed, 77 insertions, 0 deletions
diff --git a/pkgs/development/compilers/flutter/engine/default.nix b/pkgs/development/compilers/flutter/engine/default.nix
new file mode 100644
index 0000000000000..7bf59dc857196
--- /dev/null
+++ b/pkgs/development/compilers/flutter/engine/default.nix
@@ -0,0 +1,77 @@
+{
+  callPackage,
+  dartSdkVersion,
+  flutterVersion,
+  swiftshaderHash,
+  swiftshaderRev,
+  version,
+  hashes,
+  url,
+  patches,
+  runtimeModes,
+  isOptimized ? true,
+  lib,
+  stdenv,
+  dart,
+  mainRuntimeMode ? null,
+  altRuntimeMode ? null,
+}@args:
+let
+  mainRuntimeMode = args.mainRuntimeMode or builtins.elemAt runtimeModes 0;
+  altRuntimeMode = args.altRuntimeMode or builtins.elemAt runtimeModes 1;
+
+  runtimeModesBuilds = lib.genAttrs runtimeModes (
+    runtimeMode:
+    callPackage ./package.nix {
+      inherit
+        dartSdkVersion
+        flutterVersion
+        swiftshaderHash
+        swiftshaderRev
+        version
+        hashes
+        url
+        patches
+        runtimeMode
+        isOptimized
+        ;
+    }
+  );
+in
+stdenv.mkDerivation (
+  {
+    pname = "flutter-engine";
+    inherit url runtimeModes;
+    inherit (runtimeModesBuilds.${mainRuntimeMode})
+      meta
+      src
+      version
+      dartSdkVersion
+      isOptimized
+      runtimeMode
+      outName
+      dart
+      swiftshader
+      ;
+    inherit altRuntimeMode;
+
+    dontUnpack = true;
+    dontBuild = true;
+
+    installPhase =
+      ''
+        mkdir -p $out/out
+      ''
+      + lib.concatMapStrings (
+        runtimeMode:
+        let
+          runtimeModeBuild = runtimeModesBuilds.${runtimeMode};
+          runtimeModeOut = runtimeModeBuild.outName;
+        in
+        ''
+          ln -sf ${runtimeModeBuild}/out/${runtimeModeOut} $out/out/${runtimeModeOut}
+        ''
+      ) runtimeModes;
+  }
+  // runtimeModesBuilds
+)