diff --git a/package/rt-tests/Config.in b/package/rt-tests/Config.in
index 58a88a8af1..a8cede0577 100644
--- a/package/rt-tests/Config.in
+++ b/package/rt-tests/Config.in
@@ -5,6 +5,9 @@ config BR2_PACKAGE_RT_TESTS
 	depends on !BR2_PTHREADS && !BR2_PTHREADS_OLD
 	# no NPTL for these archs
 	depends on !BR2_avr32 && !BR2_xtensa && !BR2_arc
+	# no _tid field in 'struct sigevent'
+	depends on !BR2_TOOLCHAIN_USES_UCLIBC if (BR2_mips || BR2_mipsel || \
+		BR2_mips64 || BR2_mips64el)
 	help
 	  Set of utilities for testing the real-time behaviour of a
 	  Linux system.
@@ -27,3 +30,7 @@ comment "rt-tests needs a toolchain w/ threads"
 	depends on !BR2_PTHREADS && !BR2_PTHREADS_OLD
 	depends on !BR2_avr32 && !BR2_xtensa && !BR2_arc
 	depends on !BR2_TOOLCHAIN_HAS_THREADS
+
+comment "rt-tests needs an (e)glibc toolchain"
+	depends on BR2_TOOLCHAIN_USES_UCLIBC if (BR2_mips || BR2_mipsel || \
+		BR2_mips64 || BR2_mips64el)