From 418acb052f3ff415069b66f9a67df550c5977c47 Mon Sep 17 00:00:00 2001
From: Chris <caronc@users.noreply.github.com>
Date: Fri, 5 Aug 2016 01:51:10 -0400
Subject: [PATCH] #256: compatibility with gcc 4.8

---
 daemon/main/Scheduler.cpp    |  2 +-
 daemon/main/nzbget.h         | 15 +++++++++++++++
 daemon/queue/QueueEditor.cpp |  6 +++---
 3 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/daemon/main/Scheduler.cpp b/daemon/main/Scheduler.cpp
index 4cdcc714..aebfc086 100644
--- a/daemon/main/Scheduler.cpp
+++ b/daemon/main/Scheduler.cpp
@@ -40,7 +40,7 @@ void Scheduler::FirstCheck()
 		Guard guard(m_taskListMutex);
 
 		std::sort(m_taskList.begin(), m_taskList.end(),
-			[](std::unique_ptr<Task>& task1, std::unique_ptr<Task>& task2)
+			[](const std::unique_ptr<Task>& task1, const std::unique_ptr<Task>& task2)
 		{
 			return (task1->m_hours < task2->m_hours) ||
 				((task1->m_hours == task2->m_hours) && (task1->m_minutes < task2->m_minutes));
diff --git a/daemon/main/nzbget.h b/daemon/main/nzbget.h
index 1344fbe4..ed627b5f 100644
--- a/daemon/main/nzbget.h
+++ b/daemon/main/nzbget.h
@@ -340,4 +340,19 @@ typedef unsigned char uchar;
 #define SCANF_SYNTAX(strindex)
 #endif
 
+// providing "std::make_unique" for GCC 4.8.x (only 4.8.x)
+#if __GNUC__ && __cplusplus < 201402L && __cpp_generic_lambdas < 201304
+namespace std {
+template<class T> struct _Unique_if { typedef unique_ptr<T> _Single_object; };
+template<class T> struct _Unique_if<T[]> { typedef unique_ptr<T[]> _Unknown_bound; };
+template<class T, class... Args> typename _Unique_if<T>::_Single_object make_unique(Args&&... args) {
+	return unique_ptr<T>(new T(std::forward<Args>(args)...));
+}
+template<class T> typename _Unique_if<T>::_Unknown_bound make_unique(size_t n) {
+	typedef typename remove_extent<T>::type U;
+	return unique_ptr<T>(new U[n]());
+}
+}
+#endif
+
 #endif /* NZBGET_H */
diff --git a/daemon/queue/QueueEditor.cpp b/daemon/queue/QueueEditor.cpp
index 95d403a4..b8a3ab8b 100644
--- a/daemon/queue/QueueEditor.cpp
+++ b/daemon/queue/QueueEditor.cpp
@@ -38,7 +38,7 @@ public:
 	GroupSorter(NzbList* nzbList, QueueEditor::ItemList* sortItemList) :
 		m_nzbList(nzbList), m_sortItemList(sortItemList) {}
 	bool Execute(const char* sort);
-	bool operator()(std::unique_ptr<NzbInfo>& refNzbInfo1, std::unique_ptr<NzbInfo>& refNzbInfo2) const;
+	bool operator()(const std::unique_ptr<NzbInfo>& refNzbInfo1, const std::unique_ptr<NzbInfo>& refNzbInfo2) const;
 
 private:
 	enum ESortCriteria
@@ -129,7 +129,7 @@ bool GroupSorter::Execute(const char* sort)
 	std::sort(m_nzbList->begin(), m_nzbList->end(), *this);
 
 	if (origSortOrder == soAuto &&
-		std::equal(tempList.begin(), tempList.end(), m_nzbList->begin(), m_nzbList->end(),
+		std::equal(tempList.begin(), tempList.end(), m_nzbList->begin(),
 		[](NzbInfo* nzbInfo1, std::unique_ptr<NzbInfo>& nzbInfo2)
 		{
 			return nzbInfo1 == nzbInfo2.get();
@@ -142,7 +142,7 @@ bool GroupSorter::Execute(const char* sort)
 	return true;
 }
 
-bool GroupSorter::operator()(std::unique_ptr<NzbInfo>& refNzbInfo1, std::unique_ptr<NzbInfo>& refNzbInfo2) const
+bool GroupSorter::operator()(const std::unique_ptr<NzbInfo>& refNzbInfo1, const std::unique_ptr<NzbInfo>& refNzbInfo2) const
 {
 	NzbInfo* nzbInfo1 = refNzbInfo1.get();
 	NzbInfo* nzbInfo2 = refNzbInfo2.get();