Merge staging-next into staging

pkgs/development/libraries/google-cloud-cpp/default.nix

@@ -68,6 +68,9 @@ stdenv.mkDerivation rec {
     protobuf
   ];
 
+  # https://hydra.nixos.org/build/222679737/nixlog/3/tail
+  NIX_CFLAGS_COMPILE = if stdenv.isAarch64 then "-Wno-error=maybe-uninitialized" else null;
+
   doInstallCheck = true;
 
   preInstallCheck =
@@ -128,6 +131,7 @@ stdenv.mkDerivation rec {
     license = with licenses; [ asl20 ];
     homepage = "https://github.com/googleapis/google-cloud-cpp";
     description = "C++ Idiomatic Clients for Google Cloud Platform services";
+    platforms = [ "x86_64-linux" "aarch64-linux" ];
     maintainers = with maintainers; [ cpcloud ];
   };
 }