Temporary header file '/tmp/786TiqQ0nu/dump1.h' with the following content will be compiled to create GCC translation unit dump:

  // add defines
  #define __STDC_VERSION__ 201710L
#define _TIME_BITS 64
#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/gammu/gammu-backup.h"
  #include "/usr/include/gammu/gammu-bitmap.h"
  #include "/usr/include/gammu/gammu-calendar.h"
  #include "/usr/include/gammu/gammu-call.h"
  #include "/usr/include/gammu/gammu-callback.h"
  #include "/usr/include/gammu/gammu-category.h"
  #include "/usr/include/gammu/gammu-config.h"
  #include "/usr/include/gammu/gammu-datetime.h"
  #include "/usr/include/gammu/gammu-debug.h"
  #include "/usr/include/gammu/gammu-error.h"
  #include "/usr/include/gammu/gammu-file.h"
  #include "/usr/include/gammu/gammu-info.h"
  #include "/usr/include/gammu/gammu-inifile.h"
  #include "/usr/include/gammu/gammu-keys.h"
  #include "/usr/include/gammu/gammu-limits.h"
  #include "/usr/include/gammu/gammu-memory.h"
  #include "/usr/include/gammu/gammu-message.h"
  #include "/usr/include/gammu/gammu-misc.h"
  #include "/usr/include/gammu/gammu-nokia.h"
  #include "/usr/include/gammu/gammu-ringtone.h"
  #include "/usr/include/gammu/gammu-security.h"
  #include "/usr/include/gammu/gammu-settings.h"
  #include "/usr/include/gammu/gammu-smsd.h"
  #include "/usr/include/gammu/gammu-statemachine.h"
  #include "/usr/include/gammu/gammu-types.h"
  #include "/usr/include/gammu/gammu-unicode.h"
  #include "/usr/include/gammu/gammu-wap.h"
  #include "/usr/include/gammu/gammu.h"

  // add classes
  _G_fpos64_t* tmp_add_class_0;
  _G_fpos_t* tmp_add_class_1;
  _INI_Entry* tmp_add_class_2;
  _INI_Section* tmp_add_class_3;
  _IO_cookie_io_functions_t* tmp_add_class_4;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/786TiqQ0nu/dump1.h"  -I/usr/include/gammu