treewide: Add lots of meta.platforms

Build-tested on x86_64 Linux & Mac.

pkgs/misc/emulators/atari++/default.nix

@@ -24,5 +24,6 @@ stdenv.mkDerivation rec{
     '';
     maintainers = [ maintainers.AndersonTorres ];
     license = licenses.gpl2Plus;
+    platforms = stdenv.lib.platforms.linux;
   };
 }

pkgs/misc/emulators/atari800/default.nix

@@ -28,5 +28,6 @@ stdenv.mkDerivation rec{
     '';
     maintainers = [ maintainers.AndersonTorres ];
     license = licenses.gpl2Plus;
+    platforms = stdenv.lib.platforms.linux;
   };
 }

pkgs/misc/emulators/dlx/default.nix

@@ -24,5 +24,6 @@ stdenv.mkDerivation {
     homepage = "http://www.davidviner.com/dlx.php";
     description = "DLX Simulator";
     license = stdenv.lib.licenses.gpl2;
+    platforms = stdenv.lib.platforms.linux;
   };
 }

pkgs/misc/emulators/dosbox/default.nix

@@ -37,5 +37,6 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://www.dosbox.com/;
     description = "A DOS emulator";
+    platforms = stdenv.lib.platforms.unix;
   };
 }

pkgs/misc/emulators/emulationstation/default.nix

@@ -24,5 +24,6 @@ stdenv.mkDerivation rec {
     homepage = "http://emulationstation.org";
     maintainers = [ stdenv.lib.maintainers.edwtjo ];
     license = stdenv.lib.licenses.mit;
+    platforms = stdenv.lib.platforms.linux;
   };
 }

pkgs/misc/emulators/fakenes/default.nix

@@ -24,5 +24,6 @@ stdenv.mkDerivation {
     homepage = http://fakenes.sourceforge.net/;
     license = stdenv.lib.licenses.gpl2Plus;
     description = "Portable Open Source NES Emulator";
+    platforms = stdenv.lib.platforms.linux;
   };
 }

pkgs/misc/emulators/fceux/default.nix

@@ -30,5 +30,6 @@ stdenv.mkDerivation {
     description = "A Nintendo Entertainment System (NES) Emulator";
     license = stdenv.lib.licenses.gpl2;
     homepage = http://www.fceux.com/;
+    platforms = stdenv.lib.platforms.linux;
   };
 }

pkgs/misc/emulators/fs-uae/default.nix

@@ -31,6 +31,7 @@ stdenv.mkDerivation rec{
     license = licenses.gpl2Plus;
     homepage = http://fs-uae.net;
     maintainers = [ maintainers.AndersonTorres ];
+    platforms = stdenv.lib.platforms.linux;
   };
 }
 # TODO: testing and Python GUI support

pkgs/misc/emulators/mgba/default.nix

@@ -37,5 +37,6 @@ stdenv.mkDerivation rec {
     '';
     license = licenses.mpl20;
     maintainers = with maintainers; [ MP2E AndersonTorres ];
+    platforms = with platforms; linux;
   };
 }

pkgs/misc/emulators/mupen64plus/default.nix

@@ -29,5 +29,6 @@ stdenv.mkDerivation {
     license = stdenv.lib.licenses.gpl2Plus;
     homepage = http://code.google.com/p/mupen64plus;
     maintainers = [ stdenv.lib.maintainers.sander ];
+    platforms = stdenv.lib.platforms.linux;
   };
 }

pkgs/misc/emulators/retrofe/default.nix

@@ -73,5 +73,6 @@ stdenv.mkDerivation rec {
     homepage = http://retrofe.com;
     license = licenses.gpl3Plus;
     maintainers = with maintainers; [ hrdinka ];
+    platforms = with platforms; linux;
   };
 }

pkgs/misc/emulators/snes9x-gtk/default.nix

@@ -31,5 +31,6 @@ stdenv.mkDerivation rec {
     license = stdenv.lib.licenses.lgpl2;
     maintainers = [ stdenv.lib.maintainers.qknight ];
     homepage = http://www.snes9x.com/;
+    platforms = stdenv.lib.platforms.linux;
   };
 }

pkgs/misc/emulators/uae/default.nix

@@ -14,5 +14,6 @@ stdenv.mkDerivation rec {
     license = stdenv.lib.licenses.gpl2Plus;
     homepage = http://web.archive.org/web/20130901222855/http://www.amigaemulator.org/;
     maintainers = [ stdenv.lib.maintainers.sander ];
+    platforms = stdenv.lib.platforms.linux;
   };
 }

pkgs/misc/emulators/vbam/default.nix

@@ -55,5 +55,6 @@ stdenv.mkDerivation {
     license = stdenv.lib.licenses.gpl2;
     maintainers = [ stdenv.lib.maintainers.lassulus ];
     homepage = http://vba-m.com/;
+    platforms = stdenv.lib.platforms.linux;
   };
 }

pkgs/misc/emulators/vice/default.nix

@@ -40,5 +40,6 @@ stdenv.mkDerivation rec {
     homepage = http://www.viceteam.org;
     license = stdenv.lib.licenses.gpl2Plus;
     maintainers = [ stdenv.lib.maintainers.sander ];
+    platforms = stdenv.lib.platforms.linux;
   };
 }

pkgs/misc/emulators/wine/winetricks.nix

@@ -25,5 +25,6 @@ stdenv.mkDerivation rec {
     license = stdenv.lib.licenses.lgpl21;
     homepage = http://code.google.com/p/winetricks/;
     maintainers = with stdenv.lib.maintainers; [ the-kenny ];
+    platforms = with stdenv.lib.platforms; linux;
   };
 }

pkgs/misc/emulators/zsnes/default.nix

@@ -70,5 +70,6 @@ in stdenv.mkDerivation {
     license = stdenv.lib.licenses.gpl2Plus;
     maintainers = [ stdenv.lib.maintainers.sander ];
     homepage = http://www.zsnes.com;
+    platforms = stdenv.lib.platforms.unix;
   };
 }