From b3e30392f7da04e02203a469848c0b23763e06ae Mon Sep 17 00:00:00 2001
From: Lukas W <lukaswhl@gmail.com>
Date: Fri, 21 Nov 2014 11:47:02 +0100
Subject: [PATCH] Remove some legacy code for Qt<4.4

---
 include/RemotePlugin.h |  10 ----
 include/atomic_int.h   | 103 -----------------------------------------
 src/core/Mixer.cpp     |   1 -
 3 files changed, 114 deletions(-)
 delete mode 100644 include/atomic_int.h

diff --git a/include/RemotePlugin.h b/include/RemotePlugin.h
index 35a807079..000b37b87 100644
--- a/include/RemotePlugin.h
+++ b/include/RemotePlugin.h
@@ -53,12 +53,7 @@
 #endif
 
 #include <QtCore/QtGlobal>
-
-#if QT_VERSION >= 0x040400
 #include <QtCore/QSystemSemaphore>
-#else
-#error building LMMS on this platform requires at least Qt 4.4.0
-#endif
 
 #else /* USE_QT_SEMAPHORES */
 
@@ -76,12 +71,7 @@
 #ifdef USE_QT_SHMEM
 
 #include <QtCore/QtGlobal>
-
-#if QT_VERSION >= 0x040400
 #include <QtCore/QSharedMemory>
-#else
-#error building LMMS on this platform requires at least Qt 4.4.0
-#endif
 
 typedef int32_t key_t;
 
diff --git a/include/atomic_int.h b/include/atomic_int.h
deleted file mode 100644
index 168274ea2..000000000
--- a/include/atomic_int.h
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * atomic_int.h - fallback AtomicInt class when Qt is too old
- *
- * Copyright (c) 2009 Tobias Doerffel <tobydox/at/users.sourceforge.net>
- * 
- * This file is part of LMMS - http://lmms.io
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this program (see COPYING); if not, write to the
- * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301 USA.
- *
- */
-
-#ifndef _ATOMIC_INT_H
-#define _ATOMIC_INT_H
-
-#include <QtCore/QMutex>
-
-#if QT_VERSION >= 0x040400
-
-typedef QAtomicInt AtomicInt;
-
-#else
-// implement our own (slow) QAtomicInt class when on old Qt
-class AtomicInt
-{
-public:
-	inline AtomicInt( int _value = 0 ) :
-		m_value( _value ),
-		m_lock()
-	{
-	}
-
-	inline AtomicInt( const AtomicInt & _copy ) :
-		m_value( _copy.m_value ),
-		m_lock()
-	{
-	}
-
-	inline int fetchAndStoreOrdered( int _newVal )
-	{
-		m_lock.lock();
-		const int oldVal = m_value;
-		m_value = _newVal;
-		m_lock.unlock();
-
-		return oldVal;
-	}
-
-	inline int fetchAndAddOrdered( int _add )
-	{
-		m_lock.lock();
-		const int oldVal = m_value;
-		m_value += _add;
-		m_lock.unlock();
-
-		return oldVal;
-	}
-
-	inline AtomicInt & operator=( const AtomicInt & _copy )
-	{
-		m_lock.lock();
-		m_value = _copy.m_value;
-		m_lock.unlock();
-
-		return *this;
-	}
-
-
-	inline AtomicInt & operator=( int _value )
-	{
-		m_lock.lock();
-		m_value = _value;
-		m_lock.unlock();
-
-		return *this;
-	}
-
-	inline operator int() const
-	{
-		return m_value;
-	}
-
-private:
-	volatile int m_value;
-	QMutex m_lock;
-} ;
-
-#endif
-
-#endif
-
diff --git a/src/core/Mixer.cpp b/src/core/Mixer.cpp
index 3bc852260..8dc3932b5 100644
--- a/src/core/Mixer.cpp
+++ b/src/core/Mixer.cpp
@@ -38,7 +38,6 @@
 #include "ConfigManager.h"
 #include "SamplePlayHandle.h"
 #include "PianoRoll.h"
-#include "atomic_int.h"
 
 // platform-specific audio-interface-classes
 #include "AudioAlsa.h"