[DEV] replace 'include guard' with 'pragma once'

audio/orchestra/api/Alsa.h

@@ -4,9 +4,9 @@
  * @license APACHE v2.0 (see license file)
  * @fork from RTAudio
  */
+#pragma once
 
-#if !defined(__AUDIO_ORCHESTRA_API_ALSA_H__) && defined(ORCHESTRA_BUILD_ALSA)
-#define __AUDIO_ORCHESTRA_API_ALSA_H__
+#ifdef ORCHESTRA_BUILD_ALSA
 
 namespace audio {
 	namespace orchestra {

audio/orchestra/api/Android.h

@@ -3,9 +3,9 @@
  * @copyright 2011, Edouard DUPIN, all right reserved
  * @license APACHE v2.0 (see license file)
  */
+#pragma once
 
-#if !defined(__AUDIO_ORCHESTRA_API_ANDROID_H__) && defined(ORCHESTRA_BUILD_JAVA)
-#define __AUDIO_ORCHESTRA_API_ANDROID_H__
+#ifdef ORCHESTRA_BUILD_JAVA
 
 #include <audio/orchestra/Interface.h>
 

audio/orchestra/api/AndroidNativeInterface.h

@@ -3,9 +3,9 @@
  * @copyright 2011, Edouard DUPIN, all right reserved
  * @license APACHE v2.0 (see license file)
  */
+#pragma once
 
-#if !defined(__AUDIO_ORCHESTRA_API_ANDROID_NATIVE_H__) && defined(ORCHESTRA_BUILD_JAVA)
-#define __AUDIO_ORCHESTRA_API_ANDROID_NATIVE_H__
+#ifdef ORCHESTRA_BUILD_JAVA
 
 #include <audio/orchestra/DeviceInfo.h>
 #include <audio/orchestra/mode.h>

audio/orchestra/api/Asio.h

@@ -4,9 +4,8 @@
  * @license APACHE v2.0 (see license file)
  * @fork from RTAudio
  */
-
-#if !defined(__AUDIO_ORCHESTRA_API_ASIO_H__) && defined(ORCHESTRA_BUILD_ASIO)
-#define __AUDIO_ORCHESTRA_API_ASIO_H__
+#pragma once
+#ifdef ORCHESTRA_BUILD_ASIO
 
 namespace audio {
 	namespace orchestra {

audio/orchestra/api/Core.h

@@ -4,9 +4,8 @@
  * @license APACHE v2.0 (see license file)
  * @fork from RTAudio
  */
-
-#if !defined(__AUDIO_ORCHESTRA_API_CORE_H__) && defined(ORCHESTRA_BUILD_MACOSX_CORE)
-#define __AUDIO_ORCHESTRA_API_CORE_H__
+#pragma once
+#ifdef ORCHESTRA_BUILD_MACOSX_CORE
 
 #include <CoreAudio/AudioHardware.h>
 

audio/orchestra/api/CoreIos.h

@@ -4,10 +4,8 @@
  * @license APACHE v2.0 (see license file)
  * @fork from RTAudio
  */
-
-#if !defined(__AUDIO_ORCHESTRA_API_CORE_IOS_H__) && defined(ORCHESTRA_BUILD_IOS_CORE)
-#define __AUDIO_ORCHESTRA_API_CORE_IOS_H__
-
+#pragma once
+#ifdef ORCHESTRA_BUILD_IOS_CORE
 
 namespace audio {
 	namespace orchestra {

audio/orchestra/api/Ds.h

@@ -4,10 +4,8 @@
  * @license APACHE v2.0 (see license file)
  * @fork from RTAudio
  */
-
-#if !defined(__AUDIO_ORCHESTRA_API_DS_H__) && defined(ORCHESTRA_BUILD_DS)
-#define __AUDIO_ORCHESTRA_API_DS_H__
-
+#pragma once
+#ifdef ORCHESTRA_BUILD_DS
 
 namespace audio {
 	namespace orchestra {

audio/orchestra/api/Dummy.h

@@ -4,13 +4,12 @@
  * @license APACHE v2.0 (see license file)
  * @fork from RTAudio
  */
+#pragma once
 
-#if !defined(__AUDIO_ORCHESTRA_DUMMY__) && defined(ORCHESTRA_BUILD_DUMMY)
-#define __AUDIO_ORCHESTRA_DUMMY__
+#ifdef ORCHESTRA_BUILD_DUMMY
 
 #include <audio/orchestra/Interface.h>
 
-
 namespace audio {
 	namespace orchestra {
 		namespace api {

audio/orchestra/api/Jack.h

@@ -4,9 +4,8 @@
  * @license APACHE v2.0 (see license file)
  * @fork from RTAudio
  */
-
-#if !defined(__AUDIO_ORCHESTRA_API_JACK_H__) && defined(ORCHESTRA_BUILD_JACK)
-#define __AUDIO_ORCHESTRA_API_JACK_H__
+#pragma once
+#ifdef ORCHESTRA_BUILD_JACK
 
 #include <jack/jack.h>
 

audio/orchestra/api/Pulse.h

@@ -4,10 +4,8 @@
  * @license APACHE v2.0 (see license file)
  * @fork from RTAudio
  */
-
-#if !defined(__AUDIO_ORCHESTRA_API_PULSE_H__) && defined(ORCHESTRA_BUILD_PULSE)
-#define __AUDIO_ORCHESTRA_API_PULSE_H__
-
+#pragma once
+#ifdef ORCHESTRA_BUILD_PULSE
 
 namespace audio {
 	namespace orchestra {

audio/orchestra/api/PulseDeviceList.h

@@ -4,9 +4,8 @@
  * @license APACHE v2.0 (see license file)
  * @fork from RTAudio
  */
-
-#if !defined(__AUDIO_ORCHESTRA_API_PULSE_DEVICE_H__) && defined(ORCHESTRA_BUILD_PULSE)
-#define __AUDIO_ORCHESTRA_API_PULSE_DEVICE_H__
+#pragma once
+#ifdef ORCHESTRA_BUILD_PULSE
 
 #include <etk/types.h>
 #include <audio/orchestra/DeviceInfo.h>