From f5dcb6a0cbe504e63f30d45627eb0ab5f617747f Mon Sep 17 00:00:00 2001
From: David Adam <zanchey@ucc.gu.uwa.edu.au>
Date: Fri, 6 May 2016 23:54:38 +0100
Subject: [PATCH] configure: Use standard macro to enable Large File Support

Work on #2999.
---
 configure.ac | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 7dc9a73ef..3b3c2ef83 100644
--- a/configure.ac
+++ b/configure.ac
@@ -197,8 +197,7 @@ AS_IF([test "$use_doxygen" != "no"],
 # where off_t can be either 32 or 64 bit, the latter size is used. On
 # other systems, this should do nothing. (Hopefully)
 #
-
-CXXFLAGS="$CXXFLAGS -D_LARGEFILE_SOURCE=1 -D_FILE_OFFSET_BITS=64"
+AC_SYS_LARGEFILE
 
 
 # fish does not use exceptions