build: add missing HAVE_CONFIG_H

Support building without config.h if the build system supports it.
Currently, some file have a config.h header guard and some files don't.

Make sure all files use the config.h header guard.

Change-Id: I461255f8d3773d47e8dc19fff9f2a12b3cab1965

src/debug_utils.h

@@ -20,8 +20,6 @@
 
 #pragma once
 
-#include "config.h"
-
 #include "libav_deps.h"
 #include "media_io_handle.h"
 #include "system_codec_container.h"

src/im/instant_messaging.h

@@ -28,7 +28,9 @@
 #include <list>
 #include <stdexcept>
 
+#ifdef HAVE_CONFIG_H
 #include "config.h"
+#endif
 
 extern "C" {
 struct pjsip_inv_session;

src/jami/tracepoint-def.h

-#include "config.h"
-
 #ifdef ENABLE_TRACEPOINTS
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #undef LTTNG_UST_TRACEPOINT_PROVIDER
 #define LTTNG_UST_TRACEPOINT_PROVIDER jami

src/media/media_buffer.h

@@ -20,7 +20,10 @@
 
 #pragma once
 
+#ifdef HAVE_CONFIG_H
 #include "config.h"
+#endif
+
 #include "videomanager_interface.h"
 #include "observer.h"
 

src/media/media_decoder.h

@@ -19,7 +19,9 @@
  */
 #pragma once
 
+#ifdef HAVE_CONFIG_H
 #include "config.h"
+#endif
 
 #include "rational.h"
 #include "observer.h"

src/media/media_encoder.h

@@ -19,10 +19,11 @@
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.
  */
 
-#ifndef __MEDIA_ENCODER_H__
-#define __MEDIA_ENCODER_H__
+#pragma once
 
+#ifdef HAVE_CONFIG_H
 #include "config.h"
+#endif
 
 #ifdef ENABLE_VIDEO
 #include "video/video_base.h"
@@ -183,5 +184,3 @@ protected:
 };
 
 } // namespace jami
-
-#endif // __MEDIA_ENCODER_H__

src/media/media_filter.h

@@ -20,7 +20,10 @@
 
 #pragma once
 
+#ifdef HAVE_CONFIG_H
 #include "config.h"
+#endif
+
 #include "media_stream.h"
 #include "noncopyable.h"
 

src/media/media_recorder.h

@@ -20,7 +20,9 @@
 
 #pragma once
 
+#ifdef HAVE_CONFIG_H
 #include "config.h"
+#endif
 #include "media_buffer.h"
 #include "media_encoder.h"
 #include "media_filter.h"

src/media/video/accel.cpp

@@ -21,12 +21,15 @@
 
 #include <algorithm>
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include "media_buffer.h"
 #include "string_utils.h"
 #include "fileutils.h"
 #include "logger.h"
 #include "accel.h"
-#include "config.h"
 
 namespace jami {
 namespace video {