Temporary header file '/tmp/ITBjExKC3a/dump1.h' with the following content will be compiled to create GCC translation unit dump:

  // add defines
  #define __STDC_VERSION__ 201710L
#define _FILE_OFFSET_BITS 64
#define _GXX_NULLPTR_T
#define CLUTTER_ENABLE_COMPOSITOR_API 1
#define _REGEX_NELTS(n)
#define _Atomic
#define PACKED
#ifdef __cplusplus
// C17 compat layer
#define _Alignof(type) alignof(type)
#endif
#define getaddrinfo_a(a,b,c,d)

  // add includes
  #include "/usr/include/SFML/Audio/AlResource.hpp"
  #include "/usr/include/SFML/Audio/Export.hpp"
  #include "/usr/include/SFML/Audio/InputSoundFile.hpp"
  #include "/usr/include/SFML/Audio/Listener.hpp"
  #include "/usr/include/SFML/Audio/Music.hpp"
  #include "/usr/include/SFML/Audio/OutputSoundFile.hpp"
  #include "/usr/include/SFML/Audio/Sound.hpp"
  #include "/usr/include/SFML/Audio/SoundBuffer.hpp"
  #include "/usr/include/SFML/Audio/SoundBufferRecorder.hpp"
  #include "/usr/include/SFML/Audio/SoundFileFactory.hpp"
  #include "/usr/include/SFML/Audio/SoundFileReader.hpp"
  #include "/usr/include/SFML/Audio/SoundFileWriter.hpp"
  #include "/usr/include/SFML/Audio/SoundRecorder.hpp"
  #include "/usr/include/SFML/Audio/SoundSource.hpp"
  #include "/usr/include/SFML/Audio/SoundStream.hpp"
  #include "/usr/include/SFML/Audio.hpp"
  #include "/usr/include/SFML/Config.hpp"
  #include "/usr/include/SFML/GpuPreference.hpp"
  #include "/usr/include/SFML/Graphics/BlendMode.hpp"
  #include "/usr/include/SFML/Graphics/CircleShape.hpp"
  #include "/usr/include/SFML/Graphics/Color.hpp"
  #include "/usr/include/SFML/Graphics/ConvexShape.hpp"
  #include "/usr/include/SFML/Graphics/Drawable.hpp"
  #include "/usr/include/SFML/Graphics/Export.hpp"
  #include "/usr/include/SFML/Graphics/Font.hpp"
  #include "/usr/include/SFML/Graphics/Glsl.hpp"
  #include "/usr/include/SFML/Graphics/Glyph.hpp"
  #include "/usr/include/SFML/Graphics/Image.hpp"
  #include "/usr/include/SFML/Graphics/PrimitiveType.hpp"
  #include "/usr/include/SFML/Graphics/Rect.hpp"
  #include "/usr/include/SFML/Graphics/RectangleShape.hpp"
  #include "/usr/include/SFML/Graphics/RenderStates.hpp"
  #include "/usr/include/SFML/Graphics/RenderTarget.hpp"
  #include "/usr/include/SFML/Graphics/RenderTexture.hpp"
  #include "/usr/include/SFML/Graphics/RenderWindow.hpp"
  #include "/usr/include/SFML/Graphics/Shader.hpp"
  #include "/usr/include/SFML/Graphics/Shape.hpp"
  #include "/usr/include/SFML/Graphics/Sprite.hpp"
  #include "/usr/include/SFML/Graphics/Text.hpp"
  #include "/usr/include/SFML/Graphics/Texture.hpp"
  #include "/usr/include/SFML/Graphics/Transform.hpp"
  #include "/usr/include/SFML/Graphics/Transformable.hpp"
  #include "/usr/include/SFML/Graphics/Vertex.hpp"
  #include "/usr/include/SFML/Graphics/VertexArray.hpp"
  #include "/usr/include/SFML/Graphics/VertexBuffer.hpp"
  #include "/usr/include/SFML/Graphics/View.hpp"
  #include "/usr/include/SFML/Graphics.hpp"
  #include "/usr/include/SFML/Main.hpp"
  #include "/usr/include/SFML/Network/Export.hpp"
  #include "/usr/include/SFML/Network/Ftp.hpp"
  #include "/usr/include/SFML/Network/Http.hpp"
  #include "/usr/include/SFML/Network/IpAddress.hpp"
  #include "/usr/include/SFML/Network/Packet.hpp"
  #include "/usr/include/SFML/Network/Socket.hpp"
  #include "/usr/include/SFML/Network/SocketHandle.hpp"
  #include "/usr/include/SFML/Network/SocketSelector.hpp"
  #include "/usr/include/SFML/Network/TcpListener.hpp"
  #include "/usr/include/SFML/Network/TcpSocket.hpp"
  #include "/usr/include/SFML/Network/UdpSocket.hpp"
  #include "/usr/include/SFML/Network.hpp"
  #include "/usr/include/SFML/OpenGL.hpp"
  #include "/usr/include/SFML/System/Clock.hpp"
  #include "/usr/include/SFML/System/Err.hpp"
  #include "/usr/include/SFML/System/Export.hpp"
  #include "/usr/include/SFML/System/FileInputStream.hpp"
  #include "/usr/include/SFML/System/InputStream.hpp"
  #include "/usr/include/SFML/System/Lock.hpp"
  #include "/usr/include/SFML/System/MemoryInputStream.hpp"
  #include "/usr/include/SFML/System/Mutex.hpp"
  #include "/usr/include/SFML/System/NonCopyable.hpp"
  #include "/usr/include/SFML/System/Sleep.hpp"
  #include "/usr/include/SFML/System/String.hpp"
  #include "/usr/include/SFML/System/Thread.hpp"
  #include "/usr/include/SFML/System/ThreadLocal.hpp"
  #include "/usr/include/SFML/System/ThreadLocalPtr.hpp"
  #include "/usr/include/SFML/System/Time.hpp"
  #include "/usr/include/SFML/System/Utf.hpp"
  #include "/usr/include/SFML/System/Vector2.hpp"
  #include "/usr/include/SFML/System/Vector3.hpp"
  #include "/usr/include/SFML/System.hpp"
  #include "/usr/include/SFML/Window/Clipboard.hpp"
  #include "/usr/include/SFML/Window/Context.hpp"
  #include "/usr/include/SFML/Window/ContextSettings.hpp"
  #include "/usr/include/SFML/Window/Cursor.hpp"
  #include "/usr/include/SFML/Window/Event.hpp"
  #include "/usr/include/SFML/Window/Export.hpp"
  #include "/usr/include/SFML/Window/GlResource.hpp"
  #include "/usr/include/SFML/Window/Joystick.hpp"
  #include "/usr/include/SFML/Window/Keyboard.hpp"
  #include "/usr/include/SFML/Window/Mouse.hpp"
  #include "/usr/include/SFML/Window/Sensor.hpp"
  #include "/usr/include/SFML/Window/Touch.hpp"
  #include "/usr/include/SFML/Window/VideoMode.hpp"
  #include "/usr/include/SFML/Window/Window.hpp"
  #include "/usr/include/SFML/Window/WindowHandle.hpp"
  #include "/usr/include/SFML/Window/WindowStyle.hpp"
  #include "/usr/include/SFML/Window.hpp"

  // add namespaces
  namespace sf{typedef int tmp_add_type_1;}
  sf::tmp_add_type_1 tmp_add_func_1(){return 0;};
  namespace sf{namespace Glsl{typedef int tmp_add_type_2;}}
  sf::Glsl::tmp_add_type_2 tmp_add_func_2(){return 0;};
  namespace sf{namespace priv{typedef int tmp_add_type_3;}}
  sf::priv::tmp_add_type_3 tmp_add_func_3(){return 0;};
  namespace sf{namespace Style{typedef int tmp_add_type_4;}}
  sf::Style::tmp_add_type_4 tmp_add_func_4(){return 0;};

  // add classes
  _G_fpos64_t* tmp_add_class_0;
  _G_fpos_t* tmp_add_class_1;
  _IO_cookie_io_functions_t* tmp_add_class_2;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/ITBjExKC3a/dump1.h"