diff --git a/package/libuv/Config.in b/package/libuv/Config.in
index 93fbd56557..cdd73a672f 100644
--- a/package/libuv/Config.in
+++ b/package/libuv/Config.in
@@ -3,6 +3,7 @@ config BR2_PACKAGE_LIBUV
 	depends on BR2_TOOLCHAIN_HAS_THREADS_NPTL # pthread_barrier_*
 	depends on BR2_USE_MMU # fork()
 	depends on !BR2_STATIC_LIBS
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	help
 	  libuv is a multi-platform support library with a focus
 	  on asynchronous I/O.
@@ -12,3 +13,4 @@ config BR2_PACKAGE_LIBUV
 comment "libuv needs a toolchain w/ NPTL, dynamic library"
 	depends on !BR2_TOOLCHAIN_HAS_THREADS_NPTL || BR2_STATIC_LIBS
 	depends on BR2_USE_MMU
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4
diff --git a/package/luv/Config.in b/package/luv/Config.in
index b085baf546..e9d01099f2 100644
--- a/package/luv/Config.in
+++ b/package/luv/Config.in
@@ -4,6 +4,7 @@ config BR2_PACKAGE_LUV
 	depends on BR2_TOOLCHAIN_HAS_THREADS_NPTL # libuv
 	depends on BR2_USE_MMU # libuv
 	depends on !BR2_STATIC_LIBS # libuv
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # libuv
 	help
 	  libuv bindings for LuaJIT and Lua.
 
@@ -12,3 +13,4 @@ config BR2_PACKAGE_LUV
 comment "luv needs a toolchain w/ NPTL, dynamic library"
 	depends on !BR2_TOOLCHAIN_HAS_THREADS_NPTL || BR2_STATIC_LIBS
 	depends on BR2_USE_MMU
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4
diff --git a/package/luvi/Config.in b/package/luvi/Config.in
index 18317f401e..a9dd2ef740 100644
--- a/package/luvi/Config.in
+++ b/package/luvi/Config.in
@@ -4,6 +4,7 @@ config BR2_PACKAGE_LUVI
 	depends on BR2_USE_MMU # libuv
 	depends on !BR2_STATIC_LIBS # libuv
 	depends on BR2_PACKAGE_LUAJIT
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # libuv
 	select BR2_PACKAGE_LIBUV
 	select BR2_PACKAGE_LUV
 	help
@@ -25,6 +26,7 @@ config BR2_PACKAGE_LUVI
 comment "luvi needs a toolchain w/ NPTL, dynamic library"
 	depends on !BR2_TOOLCHAIN_HAS_THREADS_NPTL || BR2_STATIC_LIBS
 	depends on BR2_USE_MMU
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 
 comment "luvi needs LuaJIT"
 	depends on !BR2_PACKAGE_LUAJIT
diff --git a/package/moarvm/Config.in b/package/moarvm/Config.in
index c6e1efa39d..c318ab4b86 100644
--- a/package/moarvm/Config.in
+++ b/package/moarvm/Config.in
@@ -6,6 +6,7 @@ config BR2_PACKAGE_MOARVM
 	depends on BR2_PACKAGE_LIBATOMIC_OPS_ARCH_SUPPORTS # libatomic_ops
 	# needs AO_fetch_compare_and_swap, not implemented for sparcv8/sparcv9
 	depends on !BR2_sparc64 && !BR2_sparc
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # libuv
 	select BR2_PACKAGE_LIBUV
 	select BR2_PACKAGE_LIBTOMMATH
 	select BR2_PACKAGE_LIBATOMIC_OPS
@@ -23,4 +24,4 @@ comment "moarvm needs a toolchain w/ NPTL, dynamic library"
 	depends on BR2_USE_MMU
 	depends on BR2_PACKAGE_LIBATOMIC_OPS_ARCH_SUPPORTS
 	depends on !BR2_sparc64 && !BR2_sparc
-
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4