Unit test: INFINITY and NAN require math-h

diff --git a/tests/check_check_sub.c b/tests/check_check_sub.c
index 88a57b6e4a00749cefcbb7ac89a4e8de7b273f32..dfde2f9c723d5dbe0630ae542d6a797c2817a3d0 100644 (file)
--- a/tests/check_check_sub.c
+++ b/tests/check_check_sub.c
@@ -20,6 +20,7 @@
 
 #include "../lib/libcompat.h"
 
+#include <math.h>
 #include <sys/types.h>
 #include <stdlib.h>
 #include <signal.h>