aws-sdk-cpp: Enable on Darwin systems

libuuid can be provided by libossp_uuid.

pkgs/development/libraries/aws-sdk-cpp/default.nix

@@ -45,7 +45,7 @@ stdenv.mkDerivation rec {
     description = "A C++ interface for Amazon Web Services";
     homepage = https://github.com/awslabs/aws-sdk-cpp;
     license = lib.licenses.asl20;
-    platforms = lib.platforms.linux;
+    platforms = lib.platforms.unix;
     maintainers = [ lib.maintainers.eelco ];
   };
 }

pkgs/top-level/all-packages.nix

@@ -10748,7 +10748,7 @@ in
     })
     else if stdenv.isLinux
     then utillinuxMinimal
-    else null;
+    else libossp_uuid;
 
   light = callPackage ../os-specific/linux/light { };