From: Axel Beckert <abe@debian.org>
Date: Fri, 13 May 2022 23:47:09 +0800
Subject: Fix "storage size of 'sucred' is unknown" FTBFS

Bug-Debian: https://bugs.debian.org/520853
---
 src/daemon/processconn.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/daemon/processconn.c b/src/daemon/processconn.c
index 236cbc8..a15781e 100644
--- a/src/daemon/processconn.c
+++ b/src/daemon/processconn.c
@@ -20,6 +20,7 @@
  *
  ********/
 
+#define _GNU_SOURCE  /* needed for struct ucred */
 #include <sys/socket.h>         /* accept */
 #include <stdlib.h>             /* malloc */
 #include <unistd.h>             /* close */
