diff --git a/package/numactl/Config.in b/package/numactl/Config.in
index 23cf7facb0..325a05d609 100644
--- a/package/numactl/Config.in
+++ b/package/numactl/Config.in
@@ -1,6 +1,7 @@
 config BR2_PACKAGE_NUMACTL
 	bool "numactl"
 	depends on BR2_USE_MMU # madvise()
+	depends on BR2_TOOLCHAIN_HAS_ATOMIC
 	help
 	  numactl allows you to run your application on specific cpus
 	  and memory nodes. It does this by supplying a NUMA memory
diff --git a/package/rt-tests/Config.in b/package/rt-tests/Config.in
index 8efa3d194e..ccfa040d70 100644
--- a/package/rt-tests/Config.in
+++ b/package/rt-tests/Config.in
@@ -1,6 +1,7 @@
 config BR2_PACKAGE_RT_TESTS
 	bool "rt-tests"
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # __sync_*_4 intrisics
+	depends on BR2_TOOLCHAIN_HAS_ATOMIC # numactl
 	depends on BR2_TOOLCHAIN_HAS_THREADS_NPTL
 	depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_5
 	depends on BR2_USE_MMU # fork(), numactl
@@ -32,6 +33,7 @@ comment "rt-tests may not work on MIPS with an external uClibc toolchain"
 
 comment "rt-tests needs a uClibc or glibc toolchain w/ NPTL, headers >= 4.5, dynamic library"
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
+	depends on BR2_TOOLCHAIN_HAS_ATOMIC
 	depends on !BR2_TOOLCHAIN_HAS_THREADS_NPTL || BR2_STATIC_LIBS \
 		|| BR2_TOOLCHAIN_USES_MUSL || !BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_5
 	depends on BR2_USE_MMU