From c67c7e7500f1494adedb85c9f29c03a62e38778b Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Wed, 15 Aug 2018 17:30:54 +0200
Subject: lwip: Fix build against glibc 2.28

lwip/startup.c: Include <signal.h>.
---
 lwip/startup.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lwip/startup.c b/lwip/startup.c
index a21dfe33..125a49e3 100644
--- a/lwip/startup.c
+++ b/lwip/startup.c
@@ -21,6 +21,7 @@
 #include <startup.h>
 
 #include <unistd.h>
+#include <signal.h>
 #include <hurd/paths.h>
 #include <hurd/startup.h>
 
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