Temporary header file '/tmp/pdcCCL6viO/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/libmpd-1.0/libmpd/libmpd.h"
  #include "/usr/include/stdlib.h"
  #include "/usr/include/stdio.h"
  #include "/usr/include/libmpd-1.0/libmpd/debug_printf.h"
  #include "/usr/include/libmpd-1.0/libmpd/libmpd-database.h"
  #include "/usr/include/libmpd-1.0/libmpd/libmpd-internal.h"
  #include "/usr/include/libmpd-1.0/libmpd/libmpd-player.h"
  #include "/usr/include/libmpd-1.0/libmpd/libmpd-playlist.h"
  #include "/usr/include/libmpd-1.0/libmpd/libmpd-status.h"
  #include "/usr/include/libmpd-1.0/libmpd/libmpd-sticker.h"
  #include "/usr/include/libmpd-1.0/libmpd/libmpd-strfsong.h"
  #include "/usr/include/libmpd-1.0/libmpd/libmpd-version.h"
  #include "/usr/include/libmpd-1.0/libmpd/libmpdclient.h"

  // 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;
  _MpdCommand* tmp_add_class_3;
  _MpdData* tmp_add_class_4;
  _MpdData_real* tmp_add_class_5;
  _MpdObj* tmp_add_class_6;
  _MpdQueue* tmp_add_class_7;
  _MpdServerState* tmp_add_class_8;
  _mpd_Connection* tmp_add_class_9;
  _mpd_Directory* tmp_add_class_10;
  _mpd_OutputEntity* tmp_add_class_11;
  _mpd_PlaylistFile* tmp_add_class_12;
  _mpd_ReturnElement* tmp_add_class_13;
  _mpd_SearchStats* tmp_add_class_14;
  _mpd_Song* tmp_add_class_15;
  _mpd_Stats* tmp_add_class_16;
  itimerval* tmp_add_class_17;
  mpd_InfoEntity* tmp_add_class_18;
  mpd_Status* tmp_add_class_19;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/pdcCCL6viO/dump1.h"