diff --git a/package/network-manager/Config.in b/package/network-manager/Config.in
index cc8f616a7a..41cd2d4fc0 100644
--- a/package/network-manager/Config.in
+++ b/package/network-manager/Config.in
@@ -5,6 +5,7 @@ config BR2_PACKAGE_NETWORK_MANAGER
 	depends on BR2_USE_MMU # dbus
 	depends on BR2_PACKAGE_HAS_UDEV
 	depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_7
+	depends on BR2_TOOLCHAIN_USES_GLIBC # CLOCK_BOOTTIME, IPTOS_CLASS_*
 	select BR2_PACKAGE_DHCPCD if !BR2_PACKAGE_DHCP_CLIENT
 	select BR2_PACKAGE_DBUS
 	select BR2_PACKAGE_DBUS_GLIB
@@ -50,7 +51,8 @@ config BR2_PACKAGE_NETWORK_MANAGER_PPPD
 	  This option enables support for PPPD daemon
 endif
 
-comment "NetworkManager needs udev /dev management and a toolchain w/ wchar, threads, headers >= 3.7"
+comment "NetworkManager needs udev /dev management and a (e)glibc toolchain w/ wchar, threads, headers >= 3.7"
 	depends on BR2_USE_MMU
 	depends on !BR2_USE_WCHAR || !BR2_TOOLCHAIN_HAS_THREADS || \
-		!BR2_PACKAGE_HAS_UDEV || !BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_7
+		!BR2_PACKAGE_HAS_UDEV || !BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_7 || \
+		!BR2_TOOLCHAIN_USES_GLIBC