emulationstation: fix build w/ recent versions of gcc

pkgs/misc/emulators/emulationstation/default.nix

@@ -1,5 +1,6 @@
 { stdenv, fetchFromGitHub, pkgconfig, cmake, curl, boost, eigen
-, freeimage, freetype, libGLU, libGL, SDL2, alsaLib, libarchive }:
+, freeimage, freetype, libGLU, libGL, SDL2, alsaLib, libarchive
+, fetchpatch }:
 
 stdenv.mkDerivation {
   pname = "emulationstation";
@@ -12,14 +13,22 @@ stdenv.mkDerivation {
     sha256 = "0cm0sq2wri2l9cvab1l0g02za59q7klj0h3p028vr96n6njj4w9v";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
-  buildInputs = [ cmake alsaLib boost curl eigen freeimage freetype libarchive libGLU libGL SDL2 ];
+  patches = [
+    (fetchpatch {
+      url = "https://github.com/Aloshi/EmulationStation/commit/49ccd8fc7a7b1dfd974fc57eb13317c42842f22c.patch";
+      sha256 = "1v5d81l7bav0k5z4vybrc3rjcysph6lkm5pcfr6m42wlz7jmjw0p";
+    })
+  ];
+
+  nativeBuildInputs = [ pkgconfig cmake ];
+  buildInputs = [ alsaLib boost curl eigen freeimage freetype libarchive libGLU libGL SDL2 ];
 
-  buildPhase = "cmake . && make";
   installPhase = ''
     install -D ../emulationstation $out/bin/emulationstation
   '';
 
+  enableParallelBuilding = true;
+
   meta = {
     description = "A flexible emulator front-end supporting keyboardless navigation and custom system themes";
     homepage = https://emulationstation.org;

pkgs/top-level/all-packages.nix

@@ -24526,9 +24526,7 @@ in
 
   dumb = callPackage ../misc/dumb { };
 
-  emulationstation = callPackage ../misc/emulators/emulationstation {
-    stdenv = gcc5Stdenv;
-  };
+  emulationstation = callPackage ../misc/emulators/emulationstation { };
 
   electricsheep = callPackage ../misc/screensavers/electricsheep { };