C++17ification.

C++17ification!

- Filesystem interaction now uses std::filesystem::path.
- Usage of const char*, std::string have been changed to
  std::string_view where appropriate.
- Usage of printf-style functions changed to use fmt.

src/xenia/base/platform_linux.h

@@ -2,13 +2,13 @@
  ******************************************************************************
  * Xenia : Xbox 360 Emulator Research Project                                 *
  ******************************************************************************
- * Copyright 2015 Ben Vanik. All rights reserved.                             *
+ * Copyright 2020 Ben Vanik. All rights reserved.                             *
  * Released under the BSD license - see LICENSE in the root for more details. *
  ******************************************************************************
  */
 
-#ifndef XENIA_BASE_PLATFORM_X11_H_
-#define XENIA_BASE_PLATFORM_X11_H_
+#ifndef XENIA_BASE_PLATFORM_LINUX_H_
+#define XENIA_BASE_PLATFORM_LINUX_H_
 
 // NOTE: if you're including this file it means you are explicitly depending
 // on Linux headers. Including this file outside of linux platform specific
@@ -17,17 +17,4 @@
 
 #include "xenia/base/platform.h"
 
-// Xlib/Xcb is used only for GLX/Vulkan interaction, the window management
-// and input events are done with gtk/gdk
-#include <X11/Xlib-xcb.h>
-#include <X11/Xlib.h>
-#include <X11/Xos.h>
-#include <X11/Xutil.h>
-#include <xcb/xcb.h>
-
-// Used for window management. Gtk is for GUI and wigets, gdk is for lower
-// level events like key presses, mouse events, window handles, etc
-#include <gdk/gdkx.h>
-#include <gtk/gtk.h>
-
-#endif  // XENIA_BASE_PLATFORM_X11_H_
+#endif  // XENIA_BASE_PLATFORM_LINUX_H_