From ee15ddee7277bdf2208642fd86307f1464b385f4 Mon Sep 17 00:00:00 2001
From: Christopher Ferris <cferris@google.com>
Date: Fri, 9 May 2014 13:19:34 -0700
Subject: [PATCH] Fix ucontext_t forward declare for mac.

(cherry picked from commit afa9c9cd725c081e7286f09937a41ae9c28853d6)

Change-Id: I6dacdfacfdff0c3ce5166207cfd60adb347ee347
---
 include/backtrace/Backtrace.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/backtrace/Backtrace.h b/include/backtrace/Backtrace.h
index 84b5631de..e07d322f9 100644
--- a/include/backtrace/Backtrace.h
+++ b/include/backtrace/Backtrace.h
@@ -47,8 +47,13 @@ struct backtrace_frame_data_t {
 // Forward declarations.
 class BacktraceImpl;
 
+#if defined(__APPLE__)
+struct __darwin_ucontext;
+typedef __darwin_ucontext ucontext_t;
+#else
 struct ucontext;
 typedef ucontext ucontext_t;
+#endif
 
 class Backtrace {
 public: