From 6f8cf73f54c4b1f80d69ecd30d269f16df70ef6e Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Thu, 30 Nov 2017 01:14:33 +0100
Subject: ao: simplify hack for float atomics

stdatomic.h defines no atomic_float typedef. We can't just use _Atomic
unconditionally, because we support compilers without C11 atomics. So
just create a custom atomic_float typedef in the wrapper, which uses
_Atomic in the C11 code path.
---
 osdep/atomic.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'osdep')

diff --git a/osdep/atomic.h b/osdep/atomic.h
index 1d3e158afa..a5608fa78a 100644
--- a/osdep/atomic.h
+++ b/osdep/atomic.h
@@ -24,6 +24,7 @@
 
 #if HAVE_STDATOMIC
 #include <stdatomic.h>
+typedef _Atomic float mp_atomic_float;
 #else
 
 // Emulate the parts of C11 stdatomic.h needed by mpv.
@@ -36,6 +37,8 @@ typedef struct { long long v;          } atomic_llong;
 typedef struct { uint_least32_t v;     } atomic_uint_least32_t;
 typedef struct { unsigned long long v; } atomic_ullong;
 
+typedef struct { float v;              } mp_atomic_float;
+
 #define ATOMIC_VAR_INIT(x) \
     {.v = (x)}
 
-- 
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