1 files changed, 4 insertions, 0 deletions
diff --git a/rt/tst-aio4.c b/rt/tst-aio4.c
index 05b1a19e5b..95efdcf7d2 100644
--- a/rt/tst-aio4.c
+++ b/rt/tst-aio4.c
@@ -55,6 +55,10 @@ wait_flag (void)
   return 0;
 }
 
+#ifndef SIGRTMIN
+# define SIGRTMIN -1
+# define SIGRTMAX -1
+#endif
 
 static int
 do_test (int argc, char *argv[])