Temporary header file '/tmp/JF2zjdpKRL/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/mmdb2/hybrid_36.h"
  #include "/usr/include/mmdb2/mmdb_atom.h"
  #include "/usr/include/mmdb2/mmdb_bondmngr.h"
  #include "/usr/include/mmdb2/mmdb_chain.h"
  #include "/usr/include/mmdb2/mmdb_cifdefs.h"
  #include "/usr/include/mmdb2/mmdb_coormngr.h"
  #include "/usr/include/mmdb2/mmdb_cryst.h"
  #include "/usr/include/mmdb2/mmdb_defs.h"
  #include "/usr/include/mmdb2/mmdb_ficif.h"
  #include "/usr/include/mmdb2/mmdb_io_file.h"
  #include "/usr/include/mmdb2/mmdb_io_stream.h"
  #include "/usr/include/mmdb2/mmdb_machine_.h"
  #include "/usr/include/mmdb2/mmdb_manager.h"
  #include "/usr/include/mmdb2/mmdb_mask.h"
  #include "/usr/include/mmdb2/mmdb_math_.h"
  #include "/usr/include/mmdb2/mmdb_math_align.h"
  #include "/usr/include/mmdb2/mmdb_math_bfgsmin.h"
  #include "/usr/include/mmdb2/mmdb_math_fft.h"
  #include "/usr/include/mmdb2/mmdb_math_graph.h"
  #include "/usr/include/mmdb2/mmdb_math_linalg.h"
  #include "/usr/include/mmdb2/mmdb_math_rand.h"
  #include "/usr/include/mmdb2/mmdb_mattype.h"
  #include "/usr/include/mmdb2/mmdb_mmcif_.h"
  #include "/usr/include/mmdb2/mmdb_model.h"
  #include "/usr/include/mmdb2/mmdb_root.h"
  #include "/usr/include/mmdb2/mmdb_rwbrook.h"
  #include "/usr/include/mmdb2/mmdb_selmngr.h"
  #include "/usr/include/mmdb2/mmdb_seqsuperpose.h"
  #include "/usr/include/mmdb2/mmdb_symop.h"
  #include "/usr/include/mmdb2/mmdb_tables.h"
  #include "/usr/include/mmdb2/mmdb_title.h"
  #include "/usr/include/mmdb2/mmdb_uddata.h"
  #include "/usr/include/mmdb2/mmdb_utils.h"
  #include "/usr/include/mmdb2/mmdb_xml_.h"

  // add namespaces
  namespace mmdb{typedef int tmp_add_type_1;}
  mmdb::tmp_add_type_1 tmp_add_func_1(){return 0;};
  namespace mmdb{namespace io{typedef int tmp_add_type_2;}}
  mmdb::io::tmp_add_type_2 tmp_add_func_2(){return 0;};
  namespace mmdb{namespace machine{typedef int tmp_add_type_3;}}
  mmdb::machine::tmp_add_type_3 tmp_add_func_3(){return 0;};
  namespace mmdb{namespace math{typedef int tmp_add_type_4;}}
  mmdb::math::tmp_add_type_4 tmp_add_func_4(){return 0;};
  namespace mmdb{namespace mmcif{typedef int tmp_add_type_5;}}
  mmdb::mmcif::tmp_add_type_5 tmp_add_func_5(){return 0;};
  namespace mmdb{namespace xml{typedef int tmp_add_type_6;}}
  mmdb::xml::tmp_add_type_6 tmp_add_func_6(){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/JF2zjdpKRL/dump1.h"