lima: fix build on Darwin by linking with lld

pkgs/by-name/li/lima/package.nix

@@ -11,6 +11,7 @@
   apple-sdk_15,
   withAdditionalGuestAgents ? false,
   lima-additional-guestagents,
+  llvmPackages,
   writableTmpDirAsHomeHook,
   versionCheckHook,
   testers,
@@ -35,7 +36,16 @@ buildGoModule (finalAttrs: {
     # For checkPhase, and installPhase(required to build completion)
     writableTmpDirAsHomeHook
   ]
-  ++ lib.optionals stdenv.hostPlatform.isDarwin [ darwin.sigtool ];
+  ++ lib.optionals stdenv.hostPlatform.isDarwin [
+    darwin.sigtool
+    # TODO: Remove when NixOS/nixpkgs#536365 reaches master.
+    llvmPackages.lld
+  ];
+
+  # TODO: Remove when NixOS/nixpkgs#536365 reaches master.
+  env = lib.optionalAttrs stdenv.hostPlatform.isDarwin {
+    NIX_CFLAGS_LINK = "-fuse-ld=${lib.getExe' llvmPackages.lld "ld64.lld"}";
+  };
 
   buildInputs = lib.optionals stdenv.hostPlatform.isDarwin [ apple-sdk_15 ];