diff --git a/package/boost/Config.in b/package/boost/Config.in
index 7598d0268..578fced37 100644
--- a/package/boost/Config.in
+++ b/package/boost/Config.in
@@ -1,3 +1,6 @@
+comment "boost requires a toolchain with C++ support enabled"
+	depends on !BR2_INSTALL_LIBSTDCPP
+
 config BR2_PACKAGE_BOOST
 	bool "boost"
 	depends on BR2_INSTALL_LIBSTDCPP