diff --git a/package/kodi/Config.in b/package/kodi/Config.in
index a657f5baf1..7d28882026 100644
--- a/package/kodi/Config.in
+++ b/package/kodi/Config.in
@@ -215,6 +215,7 @@ config BR2_PACKAGE_KODI_LIBSMBCLIENT
 	bool "samba"
 	depends on BR2_TOOLCHAIN_USES_GLIBC
 	depends on BR2_TOOLCHAIN_HAS_NATIVE_RPC
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	select BR2_PACKAGE_SAMBA4
 	help
 	  Enable Samba support
diff --git a/package/mpd/Config.in b/package/mpd/Config.in
index a7da01f621..b368397487 100644
--- a/package/mpd/Config.in
+++ b/package/mpd/Config.in
@@ -200,6 +200,7 @@ config BR2_PACKAGE_MPD_LIBSMBCLIENT
 	depends on BR2_TOOLCHAIN_USES_GLIBC
 	depends on !BR2_STATIC_LIBS
 	depends on BR2_TOOLCHAIN_HAS_NATIVE_RPC
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	select BR2_PACKAGE_SAMBA4
 	help
 	  Enable Samba support.
diff --git a/package/samba4/Config.in b/package/samba4/Config.in
index c53adba98e..2503785227 100644
--- a/package/samba4/Config.in
+++ b/package/samba4/Config.in
@@ -1,4 +1,5 @@
 comment "samba4 needs a toolchain w/ RPC, wchar, dynamic library, threads"
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	depends on !BR2_USE_WCHAR || !BR2_TOOLCHAIN_HAS_NATIVE_RPC \
 		|| BR2_STATIC_LIBS || !BR2_TOOLCHAIN_HAS_THREADS
 	depends on BR2_USE_MMU
@@ -12,6 +13,7 @@ config BR2_PACKAGE_SAMBA4
 	depends on BR2_TOOLCHAIN_HAS_THREADS # python -> libffi
 	depends on !BR2_STATIC_LIBS # python
 	depends on !BR2_nios2 # binary too large, relocations don't fit
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	select BR2_PACKAGE_E2FSPROGS
 	select BR2_PACKAGE_POPT
 	select BR2_PACKAGE_PYTHON