diff --git a/package/opencv4-contrib/Config.in b/package/opencv4-contrib/Config.in
index 951d5f71ad..261d414869 100644
--- a/package/opencv4-contrib/Config.in
+++ b/package/opencv4-contrib/Config.in
@@ -74,19 +74,31 @@ config BR2_PACKAGE_OPENCV4_CONTRIB_LIB_DATASETS
 
 config BR2_PACKAGE_OPENCV4_CONTRIB_LIB_DNN_OBJDETECT
 	bool "dnn_objdetect"
+	depends on BR2_PACKAGE_PROTOBUF_ARCH_SUPPORTS # opencv4 dnn
+	depends on !BR2_TOOLCHAIN_USES_UCLIBC # opencv4 dnn
 	select BR2_PACKAGE_OPENCV4_LIB_DNN
 	help
 	  Object Detection using CNNs -- Implements compact CNN Model
 	  for object detection. Trained using Caffe but uses
 	  opencv_dnn module.
 
+comment "dnn_objdetect needs a glibc or musl toolchain"
+	depends on BR2_PACKAGE_PROTOBUF_ARCH_SUPPORTS
+	depends on !BR2_TOOLCHAIN_USES_UCLIBC
+
 config BR2_PACKAGE_OPENCV4_CONTRIB_LIB_DNN_SUPERRES
 	bool "dnn_superres"
+	depends on BR2_PACKAGE_PROTOBUF_ARCH_SUPPORTS # opencv4 dnn
+	depends on !BR2_TOOLCHAIN_USES_UCLIBC # opencv4 dnn
 	select BR2_PACKAGE_OPENCV4_LIB_DNN
 	help
 	  Superresolution using CNNs -- Contains four trained
 	  convolutional neural networks to upscale images.
 
+comment "dnn_superres needs a glibc or musl toolchain"
+	depends on BR2_PACKAGE_PROTOBUF_ARCH_SUPPORTS
+	depends on !BR2_TOOLCHAIN_USES_UCLIBC
+
 config BR2_PACKAGE_OPENCV4_CONTRIB_LIB_DNNS_EASILY_FOOLED
 	bool "dnns_easily_fooled"
 	help