1 files changed, 4 insertions, 0 deletions
diff --git a/src/lockfile.c b/src/lockfile.c
index d176325..736e6f3 100644
--- a/src/lockfile.c
+++ b/src/lockfile.c
@@ -94,6 +94,10 @@ stop_wno_unused_on_rcsid (void)
 #include <sys/time.h>
 #include <signal.h>
 
+#if defined (HAVE_SYS_SYSMACROS_H)
+#include <sys/sysmacros.h>
+#endif
+
 #include "lockfile.h"
 
 extern void *xmalloc (size_t);