needed for this test to pass on x86 it seems
--
diff --git a/meson.build b/meson.build
index 7b22cb1..ae1009f 100644
--- a/meson.build
+++ b/meson.build
@@ -202,6 +202,7 @@ endif
 # Get an appropriate 4-digit year modifier for strftime
 ##################################################################
 result = cc.run('''
+  #define _BSD_SOURCE
   #include <stdio.h>
   #include <string.h>
   #include <time.h>