Subject: Re: bug#78618: Gzip 1.14 build failure on s390x (undeclared errno in dfltcc.c)

From: Paul Eggert <[email-masked]>
Date: Fri, 30 May 2025 12:32:56 -0700

Thanks for reporting that. I installed the attached slightly-different 
patch (different because it includes errno.h in same order as other files).

From c76affb4551630ff661ac1c1ee99353a17eb16e1 Mon Sep 17 00:00:00 2001
From: Paul Eggert <[email-masked]>
Date: Fri, 30 May 2025 12:31:04 -0700
Subject: [PATCH] gzip: fix s390x build failure

Problem reported by Jakub Martisko <https://bugs.gnu.org/78618>.
* dfltcc.c: Include errno.h.
---
 dfltcc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dfltcc.c b/dfltcc.c
index 9f86581..8307a97 100644
--- a/dfltcc.c
+++ b/dfltcc.c
@@ -17,6 +17,7 @@
 
 #include <config.h>
 
+#include <errno.h>
 #include <stdlib.h>
 
 #ifdef HAVE_SYS_SDT_H
-- 
2.48.1