From 41b9d473a2753fea2deeb1f1f8f241fd53270c3d Mon Sep 17 00:00:00 2001
From: Minmin Gong <gongminmin@msn.com>
Date: Mon, 4 Feb 2019 19:59:19 -0800
Subject: Fix compiling problems on VS2019 with vc142 toolset

Msvc142 in VS2019 preview 2 doesn't allow std::atomic_flag to be initialized by a bool. Call test_and_set in the constructors instead.
---
 Alc/alc.cpp     | 1 +
 Alc/alcontext.h | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

(limited to 'Alc')

diff --git a/Alc/alc.cpp b/Alc/alc.cpp
index d05d1431..425af2da 100644
--- a/Alc/alc.cpp
+++ b/Alc/alc.cpp
@@ -2312,6 +2312,7 @@ static DeviceRef VerifyDevice(ALCdevice *device)
 
 ALCcontext::ALCcontext(ALCdevice *device) : Device{device}
 {
+    PropsClean.test_and_set();
 }
 
 /* InitContext
diff --git a/Alc/alcontext.h b/Alc/alcontext.h
index 472d06ae..213949f2 100644
--- a/Alc/alcontext.h
+++ b/Alc/alcontext.h
@@ -80,7 +80,7 @@ struct ALCcontext {
     ALfloat SpeedOfSound{};
     ALfloat MetersPerUnit{1.0f};
 
-    std::atomic_flag PropsClean{true};
+    std::atomic_flag PropsClean;
     std::atomic<bool> DeferUpdates{false};
 
     std::mutex PropLock;
-- 
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