From efe564e3b359a6045826beafaab106dbf738299c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9verin=20Lemaignan?= <severin.lemaignan@epfl.ch>
Date: Tue, 26 Nov 2013 05:53:44 +0100
Subject: [PATCH] Ensure compilation to Javascript with Emscripten

---
 modules/core/include/opencv2/core/cvdef.h | 2 +-
 modules/core/src/system.cpp               | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/core/include/opencv2/core/cvdef.h b/modules/core/include/opencv2/core/cvdef.h
index c831e8091b..1942793edb 100644
--- a/modules/core/include/opencv2/core/cvdef.h
+++ b/modules/core/include/opencv2/core/cvdef.h
@@ -444,7 +444,7 @@ CV_INLINE int cvIsInf( double value )
    // atomic increment on the linux version of the Intel(tm) compiler
 #  define CV_XADD(addr, delta) (int)_InterlockedExchangeAdd(const_cast<void*>(reinterpret_cast<volatile void*>(addr)), delta)
 #elif defined __GNUC__
-#  if defined __clang__ && __clang_major__ >= 3 && !defined __ANDROID__
+#  if defined __clang__ && __clang_major__ >= 3 && !defined __ANDROID__ && !defined __EMSCRIPTEN__
 #    ifdef __ATOMIC_ACQ_REL
 #      define CV_XADD(addr, delta) __c11_atomic_fetch_add((_Atomic(int)*)(addr), delta, __ATOMIC_ACQ_REL)
 #    else
diff --git a/modules/core/src/system.cpp b/modules/core/src/system.cpp
index 252f277d1e..eee06e2905 100644
--- a/modules/core/src/system.cpp
+++ b/modules/core/src/system.cpp
@@ -157,7 +157,7 @@ std::wstring GetTempFileNameWinRT(std::wstring prefix)
 
 #include <stdarg.h>
 
-#if defined __linux__ || defined __APPLE__
+#if defined __linux__ || defined __APPLE__ || defined __EMSCRIPTEN__
 #include <unistd.h>
 #include <stdio.h>
 #include <sys/types.h>