diff --git a/package/connman/Config.in b/package/connman/Config.in
index 655db865c5..556de488e0 100644
--- a/package/connman/Config.in
+++ b/package/connman/Config.in
@@ -50,6 +50,7 @@ config BR2_PACKAGE_CONNMAN_LOOPBACK
 config BR2_PACKAGE_CONNMAN_NEARD
 	bool "enable neard support"
 	select BR2_PACKAGE_NEARD
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # neard
 
 config BR2_PACKAGE_CONNMAN_OFONO
 	bool "enable ofono support"
diff --git a/package/neard/Config.in b/package/neard/Config.in
index 353d1af8c5..8571e7c9a2 100644
--- a/package/neard/Config.in
+++ b/package/neard/Config.in
@@ -4,6 +4,7 @@ config BR2_PACKAGE_NEARD
 	depends on BR2_TOOLCHAIN_HAS_THREADS # libnl, dbus, libglib2
 	depends on BR2_USE_MMU # dbus, libglib2
 	depends on !BR2_STATIC_LIBS # dlopen
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	select BR2_PACKAGE_DBUS
 	select BR2_PACKAGE_LIBGLIB2
 	select BR2_PACKAGE_LIBNL
@@ -26,4 +27,5 @@ endif
 
 comment "neard needs a toolchain w/ wchar, threads, dynamic library"
 	depends on BR2_USE_MMU
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	depends on !BR2_USE_WCHAR || !BR2_TOOLCHAIN_HAS_THREADS || BR2_STATIC_LIBS