diff --git a/examples/common/entry/cmd.cpp b/examples/common/entry/cmd.cpp
index 7f60d8df..9834cbea 100644
--- a/examples/common/entry/cmd.cpp
+++ b/examples/common/entry/cmd.cpp
@@ -42,7 +42,7 @@ static const char* tokenizeCommandLine(const char* _commandLine, char* _buffer,
 		switch (state)
 		{
 		case SkipWhitespace:
-			for (; isspace(*curr); ++curr); // skip whitespace
+			for (; isspace(*curr); ++curr) {}; // skip whitespace
 			state = SetTerm;
 			break;
 
@@ -92,7 +92,7 @@ static const char* tokenizeCommandLine(const char* _commandLine, char* _buffer,
 		case Escape:
 			{
 				const char* start = --curr;
-				for (; '\\' == *curr; ++curr);
+				for (; '\\' == *curr; ++curr) {};
 
 				if ('"' != *curr)
 				{
diff --git a/examples/common/entry/entry_ios.mm b/examples/common/entry/entry_ios.mm
index 12751a61..e48126bd 100644
--- a/examples/common/entry/entry_ios.mm
+++ b/examples/common/entry/entry_ios.mm
@@ -16,11 +16,6 @@
 #include <bx/uint32_t.h>
 #include <bx/thread.h>
 
-namespace bgfx
-{
-	void renderFrame();
-}
-
 namespace entry
 {
 	struct MainThreadEntry
@@ -76,6 +71,7 @@ namespace entry
 
 	void setWindowSize(uint32_t _width, uint32_t _height)
 	{
+		BX_UNUSED(_width, _height);
 	}
 
 	void toggleWindowFrame()
@@ -84,6 +80,7 @@ namespace entry
 
 	void setMouseLock(bool _lock)
 	{
+		BX_UNUSED(_lock);
 	}
 
 } // namespace entry
@@ -124,8 +121,8 @@ using namespace entry;
 	if (nil == m_displayLink)
 	{
 		m_displayLink = [self.window.screen displayLinkWithTarget:self selector:@selector(renderFrame)];
-		[m_displayLink setFrameInterval:1];
-		[m_displayLink addToRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
+		//[m_displayLink setFrameInterval:1];
+		//[m_displayLink addToRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
 	}
 }
 
@@ -163,6 +160,8 @@ using namespace entry;
 
 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
 {
+	BX_UNUSED(application, launchOptions);
+
 	CGRect rect = [ [UIScreen mainScreen] bounds];
 	m_window = [ [UIWindow alloc] initWithFrame: rect];
 	m_view = [ [View alloc] initWithFrame: rect];
@@ -176,24 +175,29 @@ using namespace entry;
 
 - (void)applicationWillResignActive:(UIApplication *)application
 {
+	BX_UNUSED(application);
 	[m_view stop];
 }
 
 - (void)applicationDidEnterBackground:(UIApplication *)application
 {
+	BX_UNUSED(application);
 }
 
 - (void)applicationWillEnterForeground:(UIApplication *)application
 {
+	BX_UNUSED(application);
 }
 
 - (void)applicationDidBecomeActive:(UIApplication *)application
 {
+	BX_UNUSED(application);
 	[m_view start];
 }
 
 - (void)applicationWillTerminate:(UIApplication *)application
 {
+	BX_UNUSED(application);
 	[m_view stop];
 }
 
diff --git a/examples/common/entry/entry_osx.mm b/examples/common/entry/entry_osx.mm
index 61575e23..0489f3ee 100644
--- a/examples/common/entry/entry_osx.mm
+++ b/examples/common/entry/entry_osx.mm
@@ -53,6 +53,7 @@
 
 - (NSApplicationTerminateReply)applicationShouldTerminate:(NSApplication *)sender
 {
+	BX_UNUSED(sender);
 	self->terminated = true;
 	return NSTerminateCancel;
 }
@@ -246,13 +247,13 @@ namespace entry
 				{
 					break;
 				}
-				while (DispatchEvent(PeekEvent() ) );
+				while (DispatchEvent(PeekEvent() ) ) {};
 			}
 
 
 			m_eventQueue.postExitEvent();
 
-			while (bgfx::RenderFrame::NoContext != bgfx::renderFrame() );
+			while (bgfx::RenderFrame::NoContext != bgfx::renderFrame() ) {};
 			thread.shutdown();
 
 			return 0;
@@ -277,6 +278,7 @@ namespace entry
 
 	void setWindowSize(uint32_t _width, uint32_t _height)
 	{
+		BX_UNUSED(_width, _height);
 	}
 
 	void toggleWindowFrame()
@@ -285,6 +287,7 @@ namespace entry
 
 	void setMouseLock(bool _lock)
 	{
+		BX_UNUSED(_lock);
 	}
 
 } // namespace entry
diff --git a/src/bgfx_p.h b/src/bgfx_p.h
index 184e6985..f87bab06 100644
--- a/src/bgfx_p.h
+++ b/src/bgfx_p.h
@@ -1570,7 +1570,7 @@ namespace bgfx
 		{
 			BX_TRACE("render thread start");
 			Context* ctx = (Context*)_userData;
-			while (!ctx->renderFrame() );
+			while (!ctx->renderFrame() ) {};
 			BX_TRACE("render thread exit");
 			return EXIT_SUCCESS;
 		}
diff --git a/src/glcontext_eagl.mm b/src/glcontext_eagl.mm
index 9811238f..abadc0b1 100644
--- a/src/glcontext_eagl.mm
+++ b/src/glcontext_eagl.mm
@@ -14,6 +14,7 @@ namespace bgfx
 {
 	void GlContext::create(uint32_t _width, uint32_t _height)
 	{
+		BX_UNUSED(_width, _height);
 		CAEAGLLayer* layer = (CAEAGLLayer*)g_bgfxEaglLayer;
 		layer.opaque = true;
 
@@ -82,6 +83,7 @@ namespace bgfx
 
 	void GlContext::resize(uint32_t _width, uint32_t _height, bool _vsync)
 	{
+		BX_UNUSED(_width, _height, _vsync);
 		BX_TRACE("resize context");
 	}
 
diff --git a/src/glcontext_nsgl.mm b/src/glcontext_nsgl.mm
index ccc9413d..ee60a20e 100644
--- a/src/glcontext_nsgl.mm
+++ b/src/glcontext_nsgl.mm
@@ -13,7 +13,7 @@
 namespace bgfx
 {
 
-#	define GL_IMPORT(_optional, _proto, _func) _proto _func
+#	define GL_IMPORT(_optional, _proto, _func, _import) _proto _func
 #	include "glimports.h"
 #	undef GL_IMPORT
 	
@@ -21,6 +21,8 @@ namespace bgfx
 
 	void GlContext::create(uint32_t _width, uint32_t _height)
 	{
+		BX_UNUSED(_width, _height);
+
 		s_opengl = bx::dlopen("/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL");
 		BX_CHECK(NULL != s_opengl, "OpenGL dynamic library is not found!");
 
@@ -75,6 +77,7 @@ namespace bgfx
 
 	void GlContext::resize(uint32_t _width, uint32_t _height, bool _vsync)
 	{
+		BX_UNUSED(_width, _height, _vsync);
 	}
 
 	void GlContext::swap()
@@ -86,10 +89,10 @@ namespace bgfx
 
 	void GlContext::import()
 	{
-#	define GL_IMPORT(_optional, _proto, _func) \
+#	define GL_IMPORT(_optional, _proto, _func, _import) \
 		{ \
-			_func = (_proto)bx::dlsym(s_opengl, #_func); \
-			BGFX_FATAL(_optional || NULL != _func, Fatal::UnableToInitialize, "Failed to create OpenGL context. NSGLGetProcAddress(\"%s\")", #_func); \
+			_func = (_proto)bx::dlsym(s_opengl, #_import); \
+			BGFX_FATAL(_optional || NULL != _func, Fatal::UnableToInitialize, "Failed to create OpenGL context. NSGLGetProcAddress(\"%s\")", #_import); \
 		}
 #	include "glimports.h"
 #	undef GL_IMPORT