diff --git a/package/python-ml-dtypes/Config.in b/package/python-ml-dtypes/Config.in
index 8791564b19..58c218b214 100644
--- a/package/python-ml-dtypes/Config.in
+++ b/package/python-ml-dtypes/Config.in
@@ -1,6 +1,7 @@
 config BR2_PACKAGE_PYTHON_ML_DTYPES
 	bool "python-ml-dtypes"
 	depends on BR2_PACKAGE_PYTHON_NUMPY_ARCH_SUPPORTS
+	depends on BR2_INSTALL_LIBSTDCPP # python-pybind, python-numpy
 	depends on BR2_TOOLCHAIN_USES_GLIBC || BR2_TOOLCHAIN_USES_MUSL # python-numpy
 	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_9 # python-numpy
 	depends on BR2_HOST_GCC_AT_LEAST_9 # host-python-numpy
@@ -10,3 +11,9 @@ config BR2_PACKAGE_PYTHON_ML_DTYPES
 	  dtype extensions used in machine learning libraries.
 
 	  https://github.com/jax-ml/ml_dtypes
+
+comment "python-ml-dtypes needs a glibc or musl toolchain w/ C++, gcc >= 9"
+	depends on BR2_PACKAGE_PYTHON_NUMPY_ARCH_SUPPORTS
+	depends on !BR2_INSTALL_LIBSTDCPP || \
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_9 || \
+		!(BR2_TOOLCHAIN_USES_GLIBC || BR2_TOOLCHAIN_USES_MUSL)