From 3b22a5f93c43fe929725133f4ac4b79f9424c25c Mon Sep 17 00:00:00 2001
From: Landry Breuil <landry@openbsd.org>
Date: Wed, 21 Sep 2011 18:36:52 +0100
Subject: [PATCH] Bug 648735 - Fix build failure on OpenBSD/i386 & macppc;
 r=cjones ../../ipc/chromium/src/base/singleton.h:171: error: invalid
 conversion from 'base::subtle::AtomicWord*' to 'volatile
 base::subtle::Atomic32*'

Lifted from www/chromium/patches/patch-base_atomicops_h
---
 ipc/chromium/src/base/atomicops.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ipc/chromium/src/base/atomicops.h b/ipc/chromium/src/base/atomicops.h
index c78873c4b68f..feca142d3315 100644
--- a/ipc/chromium/src/base/atomicops.h
+++ b/ipc/chromium/src/base/atomicops.h
@@ -45,7 +45,11 @@ typedef int64 Atomic64;
 
 // Use AtomicWord for a machine-sized pointer.  It will use the Atomic32 or
 // Atomic64 routines below, depending on your architecture.
+#if defined(OS_OPENBSD) && !defined(ARCH_CPU_64_BITS)
+typedef Atomic32 AtomicWord;
+#else
 typedef intptr_t AtomicWord;
+#endif
 
 // Atomically execute:
 //      result = *ptr;