1 files changed, 1 insertions, 0 deletions
diff --git a/build.py b/build.py
index c6cbabd369..808c80891d 100755
--- a/build.py
+++ b/build.py
@@ -180,6 +180,7 @@ class HostBuild():
         self.env['CARGO_TARGET_DIR'] = self.output_dir
         self.env['CARGO_HOME'] = os.path.join(self.output_dir, 'cargo_home')
         self.env['RUSTFLAGS'] = self._generate_rustflags()
+        self.env['CXX_ROOT_PATH'] = os.path.join(self.platform_dir, 'bt')
 
         # Configure some GN variables
         if self.use_board: