3 files changed, 7 insertions, 8 deletions

diff --git a/crates/rust-analyzer/src/config.rs b/crates/rust-analyzer/src/config.rs
index 556fc2eeb..367136702 100644
--- a/crates/rust-analyzer/src/config.rs
+++ b/crates/rust-analyzer/src/config.rs
@@ -46,8 +46,8 @@ config_data! {
         cargo_allFeatures: bool          = "false",
         /// List of features to activate.
         cargo_features: Vec<String>      = "[]",
-        /// Run `cargo check` on startup to get the correct value for package
-        /// OUT_DIRs.
+        /// Run build scripts (`build.rs`) for more precise code analysis.
+        cargo_runBuildScripts |
         cargo_loadOutDirsFromCheck: bool = "false",
         /// Do not activate the `default` feature.
         cargo_noDefaultFeatures: bool    = "false",
@@ -167,8 +167,7 @@ config_data! {
         /// Whether to show `can't find Cargo.toml` error message.
         notifications_cargoTomlNotFound: bool      = "true",
 
-        /// Enable Proc macro support, `#rust-analyzer.cargo.loadOutDirsFromCheck#` must be
-        /// enabled.
+        /// Enable support for procedural macros, implies `#rust-analyzer.cargo.runBuildScripts#`.
         procMacro_enable: bool                     = "false",
         /// Internal config, path to proc-macro server executable (typically,
         /// this is rust-analyzer itself, but we override this in tests).
@@ -480,8 +479,8 @@ impl Config {
     pub fn cargo_autoreload(&self) -> bool {
         self.data.cargo_autoreload
     }
-    pub fn load_out_dirs_from_check(&self) -> bool {
-        self.data.cargo_loadOutDirsFromCheck
+    pub fn run_build_scripts(&self) -> bool {
+        self.data.cargo_runBuildScripts || self.data.procMacro_enable
     }
     pub fn cargo(&self) -> CargoConfig {
         let rustc_source = self.data.rustcSource.as_ref().map(|rustc_src| {
diff --git a/crates/rust-analyzer/src/main_loop.rs b/crates/rust-analyzer/src/main_loop.rs
index 2829d5970..f0cb309e4 100644
--- a/crates/rust-analyzer/src/main_loop.rs
+++ b/crates/rust-analyzer/src/main_loop.rs
@@ -312,7 +312,7 @@ impl GlobalState {
                                 } else {
                                     assert_eq!(n_done, n_total);
                                     new_status = Status::Ready {
-                                        partial: self.config.load_out_dirs_from_check()
+                                        partial: self.config.run_build_scripts()
                                             && self.workspace_build_data.is_none()
                                             || config_version < self.vfs_config_version,
                                     };
diff --git a/crates/rust-analyzer/src/reload.rs b/crates/rust-analyzer/src/reload.rs
index c07efa330..aa8504c3d 100644
--- a/crates/rust-analyzer/src/reload.rs
+++ b/crates/rust-analyzer/src/reload.rs
@@ -337,7 +337,7 @@ impl GlobalState {
         };
         change.set_crate_graph(crate_graph);
 
-        if self.config.load_out_dirs_from_check() && workspace_build_data.is_none() {
+        if self.config.run_build_scripts() && workspace_build_data.is_none() {
             let mut collector = BuildDataCollector::default();
             for ws in &workspaces {
                 ws.collect_build_data_configs(&mut collector);