From 11b93e83df1bdae1277d8059e25ef2344fed8706 Mon Sep 17 00:00:00 2001
From: Martin Szulecki
Date: Tue, 20 Mar 2012 22:59:26 +0100
Subject: Use AC_LANG_SOURCE to avoid warnings in configure.ac

---
 configure.ac | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index af70dd2..7dcf87b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -172,11 +172,11 @@ if test "$enable_largefile" != no; then
 	LFS_CFLAGS="$LFS_CFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits"
     else
 	AC_MSG_CHECKING(for native large file support)
-	AC_RUN_IFELSE([#include <unistd.h>
+	AC_RUN_IFELSE([AC_LANG_SOURCE([#include <unistd.h>
 	  int main (int argc, char **argv)
 	  {
 	      exit(!(sizeof(off_t) == 8));
-	  }],
+	  }])],
 	[ac_cv_sys_file_offset_bits=64; AC_DEFINE(_FILE_OFFSET_BITS,64)
 	 AC_MSG_RESULT(yes)],
 	[AC_MSG_RESULT(no)])
-- 
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