From 9a1c670b66818fc0044eaa9a95a13da553bebcd3 Mon Sep 17 00:00:00 2001
From: Georgy Yakovlev <gyakovlev@gentoo.org>
Date: Mon, 21 Nov 2022 23:09:59 -0800
Subject: [PATCH] m4/dpkg-funcs.m4: include stdio.h in __progname conftest

Bug: https://bugs.gentoo.org/869884
---
 m4/dpkg-funcs.m4 | 1 +
 1 file changed, 1 insertion(+)

diff --git a/m4/dpkg-funcs.m4 b/m4/dpkg-funcs.m4
index 74acf22..0720ac3 100644
--- a/m4/dpkg-funcs.m4
+++ b/m4/dpkg-funcs.m4
@@ -142,6 +142,7 @@ AC_DEFUN([DPKG_CHECK_PROGNAME], [
   AC_MSG_CHECKING([for __progname])
   AC_LINK_IFELSE([
     AC_LANG_PROGRAM(
+      [[#include <stdio.h>]],
       [[extern char *__progname;]],
       [[printf("%s", __progname);]])
   ], [
-- 
2.38.1