From 6898fc472b093971ef31e691045e0592a63e31d0 Mon Sep 17 00:00:00 2001
From: Sami Kerola <kerolasa@iki.fi>
Date: Sun, 9 Oct 2016 22:38:01 +0100
Subject: [PATCH] build-sys: enable all system extensions

This directive ensures stuff like large file support works without anyone
even noticing.

Reference: https://www.gnu.org/software/autoconf/manual/autoconf-2.64/html_node/Posix-Variants.html
---
 configure.ac | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure.ac b/configure.ac
index 11fece6..bc87c86 100644
--- a/configure.ac
+++ b/configure.ac
@@ -5,6 +5,7 @@ AC_INIT([mtr],
   [http://www.BitWizard.nl/mtr/])
 AC_CONFIG_SRCDIR([mtr.c])
 AC_CONFIG_AUX_DIR([build-aux])
+AC_USE_SYSTEM_EXTENSIONS
 AM_INIT_AUTOMAKE([
   1.7.9
   foreign
-- 
2.47.2