From: Robin Gareus <robin@gareus.org>
Date: Sun, 28 Jul 2019 16:37:57 +0000 (+0200)
Subject: Yet another spinlock init hack for g++8 std::atomics
X-Git-Url: https://main.carlh.net/gitweb/?a=commitdiff_plain;h=684b364a8a471c6ca43822ddfe41f0580b0ec83b;p=ardour.git

Yet another spinlock init hack for g++8 std::atomics

Perhaps we should rather implement this ourselves,
using <boost/atomic.hpp>
---

diff --git a/libs/pbd/spinlock.cc b/libs/pbd/spinlock.cc
index 4dfc8132ff..45e35daf37 100644
--- a/libs/pbd/spinlock.cc
+++ b/libs/pbd/spinlock.cc
@@ -21,13 +21,16 @@
 #include <malloc.h>
 #endif
 
+#include <cstring>
+
 #include "pbd/spinlock.h"
 
 using namespace PBD;
 
 spinlock_t::spinlock_t ()
 {
-	l = BOOST_DETAIL_SPINLOCK_INIT;
+	boost::detail::spinlock init = BOOST_DETAIL_SPINLOCK_INIT;
+	std::memcpy (&l, &init, sizeof (init));
 }
 
 SpinLock::SpinLock (spinlock_t& lock)