From f9a54a0d04a9d3bda229d751d43817ddde9e06fe Mon Sep 17 00:00:00 2001
From: =?utf8?q?poljar=20=28Damir=20Jeli=C4=87=29?= <poljarinho@gmail.com>
Date: Mon, 16 Sep 2013 02:00:35 +0200
Subject: [PATCH] build-sys: Silence warning about missing AC_LANG_SOURCE call
 in acx_libwrap.m4

This updates the acx_libwrap.m4 macro for autoconf 2.68 and fixes
warnings like:
    configure.ac:471: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in body
---
 m4/acx_libwrap.m4 | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/m4/acx_libwrap.m4 b/m4/acx_libwrap.m4
index e1602144..ccf8afc0 100644
--- a/m4/acx_libwrap.m4
+++ b/m4/acx_libwrap.m4
@@ -4,13 +4,13 @@ saved_LIBS="$LIBS"
 LIBS="$LIBS -lwrap"
 AC_MSG_CHECKING([for tcpwrap library and headers])
 AC_LINK_IFELSE(
-AC_LANG_PROGRAM(
+[AC_LANG_PROGRAM(
 [#include <tcpd.h>
 #include <syslog.h>
 int allow_severity = LOG_INFO;
 int deny_severity = LOG_WARNING;],
 [struct request_info *req;
-return hosts_access (req);]),
+return hosts_access (req);])],
 [AC_DEFINE(HAVE_LIBWRAP, [], [Have tcpwrap?])
 LIBWRAP_LIBS="-lwrap"
 AC_MSG_RESULT(yes)],
-- 
2.39.2