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-rw-r--r--rt/tst-mqueue5.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/rt/tst-mqueue5.c b/rt/tst-mqueue5.c
index 8714dad3f4..6000f72878 100644
--- a/rt/tst-mqueue5.c
+++ b/rt/tst-mqueue5.c
@@ -35,7 +35,7 @@
 
 #define TIMEOUT 3
 
-#if _POSIX_THREADS
+#if _POSIX_THREADS && defined SIGRTMIN && defined SA_SIGINFO
 # include <pthread.h>
 
 volatile int rtmin_cnt;