diff --git a/package/udev/Config.in b/package/udev/Config.in
index 374a7bf0f..f4ffe9810 100644
--- a/package/udev/Config.in
+++ b/package/udev/Config.in
@@ -43,3 +43,7 @@ endif
 comment "udev requires /dev mgmnt set to udev under System configuration"
 	depends on !BR2_avr32
 	depends on !BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_UDEV
+
+comment "udev needs a toolchain w/ largefile, wchar, dynamic library"
+	depends on !BR2_avr32
+	depends on !BR2_LARGEFILE || !BR2_USE_WCHAR || BR2_PREFER_STATIC_LIB