darwin: disable broken packages

pkgs/applications/misc/apvlv/default.nix

@@ -58,7 +58,7 @@ stdenv.mkDerivation rec {
     '';
 
     license = licenses.lgpl2;
-    platforms = platforms.unix;
+    platforms = platforms.linux;
     maintainers = [ maintainers.ardumont ];
   };
 

pkgs/applications/misc/bb/default.nix

@@ -19,6 +19,6 @@ stdenv.mkDerivation rec {
     description = "AA-lib demo";
     license     = licenses.gpl2;
     maintainers = [ maintainers.rnhmjoj ];
-    platforms   = platforms.unix;
+    platforms   = platforms.linux;
   };
 }

pkgs/applications/misc/confclerk/default.nix

@@ -23,6 +23,6 @@ stdenv.mkDerivation {
     homepage = http://www.toastfreeware.priv.at/confclerk;
     license = stdenv.lib.licenses.gpl2;
     maintainers = with stdenv.lib.maintainers; [ ehmry ];
-    inherit (qt4.meta) platforms;
+    platforms = stdenv.lib.platforms.linux;
   };
 }