build: require gcc >= 5.3, boost >= 1.58, openssl >= 1.0.2
This effectively drops support for all versions of Ubuntu older than 16.04
Change-Id: Ie3ab7df9147e97f6467658a6399a4f9379f089c1
Refs: #4462
diff --git a/src/util/signal/signal.hpp b/src/util/signal/signal.hpp
index 9b502ab..8c76e13 100644
--- a/src/util/signal/signal.hpp
+++ b/src/util/signal/signal.hpp
@@ -1,6 +1,6 @@
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
- * Copyright (c) 2013-2017 Regents of the University of California.
+ * Copyright (c) 2013-2018 Regents of the University of California.
*
* This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
*
@@ -23,6 +23,7 @@
#define NDN_UTIL_SIGNAL_SIGNAL_HPP
#include "connection.hpp"
+
#include <list>
namespace ndn {
@@ -163,7 +164,7 @@
Connection
Signal<Owner, TArgs...>::connect(const Handler& handler)
{
- typename SlotList::iterator it = m_slots.insert(m_slots.end(), {handler, nullptr});
+ auto it = m_slots.insert(m_slots.end(), {handler, nullptr});
it->disconnect = make_shared<function<void()>>(bind(&Self::disconnect, this, it));
return signal::Connection(weak_ptr<function<void()>>(it->disconnect));
@@ -173,7 +174,7 @@
Connection
Signal<Owner, TArgs...>::connectSingleShot(const Handler& handler)
{
- typename SlotList::iterator it = m_slots.insert(m_slots.end(), {nullptr, nullptr});
+ auto it = m_slots.insert(m_slots.end(), {nullptr, nullptr});
it->disconnect = make_shared<function<void()>>(bind(&Self::disconnect, this, it));
signal::Connection conn(weak_ptr<function<void()>>(it->disconnect));
@@ -189,8 +190,6 @@
void
Signal<Owner, TArgs...>::disconnect(typename SlotList::iterator it)
{
- // 'it' could be const_iterator, but gcc 4.6 doesn't support std::list::erase(const_iterator)
-
if (m_isExecuting) {
// during signal emission, only the currently executing handler can be disconnected
BOOST_ASSERT_MSG(it == m_currentSlot, "cannot disconnect another handler from a handler");