From f68116fd767b11f9441b68366fa179836e8ae1f9 Mon Sep 17 00:00:00 2001
From: Sven Nilsen <bvssvni@gmail.com>
Date: Mon, 4 May 2015 16:30:44 +0200
Subject: [PATCH] Fix compiler errors on OSX

Closes https://github.com/tomaka/glutin/issues/425
---
 src/api/cocoa/headless.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/api/cocoa/headless.rs b/src/api/cocoa/headless.rs
index cc2a5261..75cca8d5 100644
--- a/src/api/cocoa/headless.rs
+++ b/src/api/cocoa/headless.rs
@@ -10,6 +10,7 @@ use core_foundation::string::CFString;
 use core_foundation::bundle::{CFBundleGetBundleWithIdentifier, CFBundleGetFunctionPointerForName};
 use cocoa::base::{id, nil};
 use cocoa::appkit::*;
+use PixelFormat;
 
 mod gl {
     include!(concat!(env!("OUT_DIR"), "/gl_bindings.rs"));
@@ -83,7 +84,7 @@ impl GlContext for HeadlessContext {
         unimplemented!()
     }
 
-    fn get_proc_address(&self, _addr: &str) -> *const () {
+    fn get_proc_address(&self, _addr: &str) -> *const libc::c_void {
         let symbol_name: CFString = _addr.parse().unwrap();
         let framework_name: CFString = "com.apple.opengl".parse().unwrap();
         let framework = unsafe {
@@ -92,7 +93,7 @@ impl GlContext for HeadlessContext {
         let symbol = unsafe {
             CFBundleGetFunctionPointerForName(framework, symbol_name.as_concrete_TypeRef())
         };
-        symbol as *const ()
+        symbol as *const libc::c_void
     }
 
     fn swap_buffers(&self) {