Temporary header file '/tmp/nm5Z9FIZip/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
#define getaddrinfo_a(a,b,c,d)

  // add includes
  #include "/usr/include/mpd/albumart.h"
  #include "/usr/include/mpd/async.h"
  #include "/usr/include/mpd/audio_format.h"
  #include "/usr/include/mpd/binary.h"
  #include "/usr/include/mpd/capabilities.h"
  #include "/usr/include/mpd/client.h"
  #include "/usr/include/mpd/compiler.h"
  #include "/usr/include/mpd/connection.h"
  #include "/usr/include/mpd/database.h"
  #include "/usr/include/mpd/directory.h"
  #include "/usr/include/mpd/entity.h"
  #include "/usr/include/mpd/error.h"
  #include "/usr/include/mpd/fingerprint.h"
  #include "/usr/include/mpd/idle.h"
  #include "/usr/include/mpd/list.h"
  #include "/usr/include/mpd/message.h"
  #include "/usr/include/mpd/mixer.h"
  #include "/usr/include/mpd/mount.h"
  #include "/usr/include/mpd/neighbor.h"
  #include "/usr/include/mpd/output.h"
  #include "/usr/include/mpd/pair.h"
  #include "/usr/include/mpd/parser.h"
  #include "/usr/include/mpd/partition.h"
  #include "/usr/include/mpd/password.h"
  #include "/usr/include/mpd/player.h"
  #include "/usr/include/mpd/playlist.h"
  #include "/usr/include/mpd/position.h"
  #include "/usr/include/mpd/protocol.h"
  #include "/usr/include/mpd/queue.h"
  #include "/usr/include/mpd/readpicture.h"
  #include "/usr/include/mpd/recv.h"
  #include "/usr/include/mpd/replay_gain.h"
  #include "/usr/include/mpd/response.h"
  #include "/usr/include/mpd/search.h"
  #include "/usr/include/mpd/send.h"
  #include "/usr/include/mpd/settings.h"
  #include "/usr/include/mpd/socket.h"
  #include "/usr/include/mpd/song.h"
  #include "/usr/include/mpd/stats.h"
  #include "/usr/include/mpd/status.h"
  #include "/usr/include/mpd/sticker.h"
  #include "/usr/include/mpd/tag.h"
  #include "/usr/include/mpd/version.h"

  // add classes
  mpd_audio_format* tmp_add_class_0;
  mpd_pair* tmp_add_class_1;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/nm5Z9FIZip/dump1.h"