Warning fixes for OS X.

src/api/cocoa/headless.rs

@@ -28,8 +28,8 @@ pub struct HeadlessContext {
 }
 
 impl HeadlessContext {
-    pub fn new((width, height): (u32, u32), pf_reqs: &PixelFormatRequirements,
-               opengl: &GlAttributes<&HeadlessContext>) -> Result<HeadlessContext, CreationError>
+    pub fn new((width, height): (u32, u32), _pf_reqs: &PixelFormatRequirements,
+               _opengl: &GlAttributes<&HeadlessContext>) -> Result<HeadlessContext, CreationError>
     {
         let context = unsafe {
             let attributes = [

src/api/cocoa/mod.rs

@@ -6,7 +6,6 @@ use {CreationError, Event, MouseCursor, CursorState};
 use CreationError::OsError;
 use libc;
 
-use Api;
 use ContextError;
 use GlAttributes;
 use GlContext;
@@ -21,9 +20,7 @@ use native_monitor::NativeMonitorId;
 use objc::runtime::{Class, Object, Sel, BOOL, YES, NO};
 use objc::declare::ClassDecl;
 
-use cgl;
 use cgl::{CGLEnable, kCGLCECrashOnRemovedFunctions, CGLSetParameter, kCGLCPSurfaceOpacity};
-use cgl::CGLContextObj as CGL_CGLContextObj;
 
 use cocoa::base::{id, nil};
 use cocoa::foundation::{NSAutoreleasePool, NSDate, NSDefaultRunLoopMode, NSPoint, NSRect, NSSize, 
@@ -758,7 +755,7 @@ impl Window {
     }
 
     #[inline]
-    pub fn set_cursor_position(&self, x: i32, y: i32) -> Result<(), ()> {
+    pub fn set_cursor_position(&self, _x: i32, _y: i32) -> Result<(), ()> {
         unimplemented!();
     }
 }
@@ -820,6 +817,7 @@ impl IdRef {
         IdRef(i)
     }
 
+    #[allow(dead_code)]
     fn retain(i: id) -> IdRef {
         if i != nil {
             let _: id = unsafe { msg_send![i, retain] };
@@ -856,6 +854,7 @@ impl Clone for IdRef {
     }
 }
 
+#[allow(non_snake_case)]
 unsafe fn NSEventToEvent(window: &Window, nsevent: id) -> Option<Event> {
     if nsevent == nil { return None; }
 

src/headless.rs

@@ -7,7 +7,6 @@ use GlContext;
 use PixelFormat;
 use PixelFormatRequirements;
 use Robustness;
-use WindowAttributes;
 
 use gl_common;
 use libc;

src/lib.rs

@@ -68,6 +68,7 @@ pub use window::{AvailableMonitorsIter, MonitorId, get_available_monitors, get_p
 pub use native_monitor::NativeMonitorId;
 
 use std::io;
+#[cfg(not(target_os = "macos"))]
 use std::cmp::Ordering;
 
 mod api;
@@ -377,6 +378,7 @@ pub struct PixelFormatRequirements {
 }
 
 impl PixelFormatRequirements {
+    #[cfg(not(target_os = "macos"))]
     fn choose_pixel_format<T, I>(&self, iter: I) -> Result<(T, PixelFormat), CreationError>
                                  where I: IntoIterator<Item=(T, PixelFormat)>, T: Clone
     {