From 7c30e1432bafd2c8065dddcdb99a46e64e997b18 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Fri, 12 May 2023 11:33:10 -0400
Subject: ustar: Support writing device major and minor

---
(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 687629e..32061bb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -58,6 +58,9 @@ AC_CHECK_FUNCS([getopt_long], [],
 if ${funcs_missing}; then
 	AC_MSG_ERROR([required functions are missing])
 fi
+AC_CHECK_DECLS([[major(dev_t)], [minor(dev_t)]], [],
+	[AC_MSG_ERROR([required macros are missing])],
+	[#include <sys/sysmacros.h>])
 
 PKG_PROG_PKG_CONFIG()
 PKG_CHECK_MODULES([ZLIB], [zlib])
--
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