From a168e5587671ec637178125d8b752dff38f39e68 Mon Sep 17 00:00:00 2001
From: falkTX <falktx@gmail.com>
Date: Sun, 31 Jul 2016 12:07:50 +0200
Subject: [PATCH] Fix some compiler warnings; Fix build with new gcc

---
 source/backend/engine/CarlaEngineBridge.cpp   | 1 +
 source/backend/plugin/CarlaPluginGui.cpp      | 4 ++++
 source/backend/plugin/CarlaPluginInternal.hpp | 2 ++
 source/backend/plugin/FluidSynthPlugin.cpp    | 2 +-
 source/bridges/CarlaBridgeClient.cpp          | 4 ++++
 source/bridges/CarlaBridgeOsc.cpp             | 3 +++
 source/bridges/CarlaBridgePlugin.cpp          | 6 ++++++
 source/utils/RtList.hpp                       | 5 +++--
 8 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/source/backend/engine/CarlaEngineBridge.cpp b/source/backend/engine/CarlaEngineBridge.cpp
index 3e60270..91cee3b 100644
--- a/source/backend/engine/CarlaEngineBridge.cpp
+++ b/source/backend/engine/CarlaEngineBridge.cpp
@@ -267,6 +267,7 @@ class CarlaEngineBridge : public CarlaEngine,
                     if (kData->bufEvents.in != nullptr)
                     {
                         // TODO
+                        (void)data; (void)time;
                     }
 
                     break;
diff --git a/source/backend/plugin/CarlaPluginGui.cpp b/source/backend/plugin/CarlaPluginGui.cpp
index e98c744..923009a 100644
--- a/source/backend/plugin/CarlaPluginGui.cpp
+++ b/source/backend/plugin/CarlaPluginGui.cpp
@@ -67,6 +67,10 @@ CarlaPluginGui::CarlaPluginGui(CarlaEngine* const engine, Callback* const callba
         if (! lastGeometry.isNull())
             restoreGeometry(lastGeometry);
     }
+
+    return;
+    // may be unused
+    (void)engine;
 }
 
 CarlaPluginGui::~CarlaPluginGui()
diff --git a/source/backend/plugin/CarlaPluginInternal.hpp b/source/backend/plugin/CarlaPluginInternal.hpp
index 97c776a..f01e402 100644
--- a/source/backend/plugin/CarlaPluginInternal.hpp
+++ b/source/backend/plugin/CarlaPluginInternal.hpp
@@ -29,6 +29,8 @@
 
 #include "RtList.hpp"
 
+#include <cmath>
+
 #define CARLA_PROCESS_CONTINUE_CHECK if (! fEnabled) { kData->engine->callback(CALLBACK_DEBUG, fId, 0, 0, 0.0f, "Processing while plugin is disabled!!"); return; }
 
 CARLA_BACKEND_START_NAMESPACE
diff --git a/source/backend/plugin/FluidSynthPlugin.cpp b/source/backend/plugin/FluidSynthPlugin.cpp
index 301e9aa..058a586 100644
--- a/source/backend/plugin/FluidSynthPlugin.cpp
+++ b/source/backend/plugin/FluidSynthPlugin.cpp
@@ -907,7 +907,7 @@ class FluidSynthPlugin : public CarlaPlugin
         fluid_preset_t f_preset;
 
         bool hasDrums = false;
-        uint32_t drumIndex, drumProg;
+        uint32_t drumIndex = 0, drumProg = 0;
 
         f_sfont = fluid_synth_get_sfont_by_id(fSynth, fSynthId);
 
diff --git a/source/bridges/CarlaBridgeClient.cpp b/source/bridges/CarlaBridgeClient.cpp
index d2fb0a1..08ee15f 100644
--- a/source/bridges/CarlaBridgeClient.cpp
+++ b/source/bridges/CarlaBridgeClient.cpp
@@ -40,6 +40,10 @@ CarlaBridgeClient::CarlaBridgeClient(const char* const uiTitle)
     CARLA_ASSERT(uiTitle != nullptr);
 #endif
     carla_debug("CarlaBridgeClient::CarlaBridgeClient(\"%s\")", uiTitle);
+    return;
+
+    // may be unused
+    (void)uiTitle;
 }
 
 CarlaBridgeClient::~CarlaBridgeClient()
diff --git a/source/bridges/CarlaBridgeOsc.cpp b/source/bridges/CarlaBridgeOsc.cpp
index bcd2fd6..2fcc37f 100644
--- a/source/bridges/CarlaBridgeOsc.cpp
+++ b/source/bridges/CarlaBridgeOsc.cpp
@@ -207,6 +207,9 @@ int CarlaBridgeOsc::handleMessage(const char* const path, const int argc, const
 
     carla_stderr("CarlaBridgeOsc::handleMessage(\"%s\", ...) - received unsupported OSC method '%s'", path, method);
     return 1;
+
+    // may be unused
+    (void)msg;
 }
 
 #ifdef BUILD_BRIDGE_UI
diff --git a/source/bridges/CarlaBridgePlugin.cpp b/source/bridges/CarlaBridgePlugin.cpp
index 09b23c0..32b8c34 100644
--- a/source/bridges/CarlaBridgePlugin.cpp
+++ b/source/bridges/CarlaBridgePlugin.cpp
@@ -438,6 +438,9 @@ int CarlaBridgeOsc::handleMsgPluginSetParameterMidiChannel(CARLA_BRIDGE_OSC_HAND
     // TODO
 
     return 0;
+
+    // unused
+    (void)argc; (void)argv; (void)types;
 }
 
 int CarlaBridgeOsc::handleMsgPluginSetParameterMidiCC(CARLA_BRIDGE_OSC_HANDLE_ARGS)
@@ -449,6 +452,9 @@ int CarlaBridgeOsc::handleMsgPluginSetParameterMidiCC(CARLA_BRIDGE_OSC_HANDLE_AR
     // TODO
 
     return 0;
+
+    // unused
+    (void)argc; (void)argv; (void)types;
 }
 
 int CarlaBridgeOsc::handleMsgPluginSetChunk(CARLA_BRIDGE_OSC_HANDLE_ARGS)
diff --git a/source/utils/RtList.hpp b/source/utils/RtList.hpp
index 43c6715..80660b5 100644
--- a/source/utils/RtList.hpp
+++ b/source/utils/RtList.hpp
@@ -27,11 +27,12 @@ extern "C" {
 
 // Declare non copyable and prevent heap allocation
 #define LIST_DECLARATIONS(ClassName)                       \
+private:                                                   \
     ClassName(ClassName&);                                 \
     ClassName(const ClassName&);                           \
+    ClassName& operator=(ClassName&);                      \
     ClassName& operator=(const ClassName&);                \
-    static void* operator new (size_t) { return nullptr; } \
-    static void operator delete (void*) {}
+    static void* operator new (size_t);
 
 typedef struct list_head k_list_head;