Fix builds on macOS

CMakeLists.txt

@@ -16,6 +16,8 @@
 cmake_minimum_required(VERSION 3.10)
 project(reone)
 
+set (CMAKE_CXX_STANDARD 14)
+
 add_subdirectory(src/external/s3tc)
 
 option(BUILD_TOOLS "build tools executable" ON)

src/engine/audio/player.cpp

@@ -23,7 +23,11 @@
 
 #include "glm/gtx/norm.hpp"
 
+#if __APPLE__
+#include "OpenAL/al.h"
+#else
 #include "AL/al.h"
+#endif
 
 #include "../common/log.h"
 #include "../common/guardutil.h"

src/engine/audio/player.h

@@ -27,7 +27,11 @@
 
 #include <boost/noncopyable.hpp>
 
+#if __APPLE__
+#include "OpenAL/alc.h"
+#else
 #include "AL/alc.h"
+#endif
 
 #include "glm/vec3.hpp"
 

src/engine/audio/soundinstance.cpp

@@ -20,7 +20,11 @@
 #include <stdexcept>
 #include <utility>
 
+#if __APPLE__
+#include "OpenAL/al.h"
+#else
 #include "AL/al.h"
+#endif
 
 #include "../common/log.h"
 

src/engine/audio/stream.cpp

@@ -20,7 +20,11 @@
 #include <stdexcept>
 #include <string>
 
+#if __APPLE__
+#include "OpenAL/al.h"
+#else
 #include "AL/al.h"
+#endif
 
 using namespace std;