cargo: build only necessary Ninja targets when invoked by RLS

1 files changed, 7 insertions, 0 deletions

diff --git a/BUILD.gn b/BUILD.gn
index 039909893..9e6c7abd0 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -18,6 +18,13 @@ group("default") {
   ]
 }
 
+# Set of targets that need to be built for `cargo check` to succeed.
+group("cargo_check_deps") {
+  deps = [
+    ":msg_rs",
+  ]
+}
+
 config("deno_config") {
   include_dirs = [ "third_party/v8" ]  # This allows us to v8/src/base/ libraries.
   configs = [ "third_party/v8:external_config" ]