Temporary header file '/tmp/Tg8AZfJzGv/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
#ifdef __cplusplus
// C17 compat layer
#define _Alignof(type) alignof(type)
#endif
#define getaddrinfo_a(a,b,c,d)

  // add includes
  #include "/usr/include/ccp4/cmaplib.h"
  #include "/root/workaround.h"
  #include "/usr/include/ccp4/ccp4_array.h"
  #include "/usr/include/ccp4/ccp4_errno.h"
  #include "/usr/include/ccp4/ccp4_file_err.h"
  #include "/usr/include/ccp4/ccp4_fortran.h"
  #include "/usr/include/ccp4/ccp4_general.h"
  #include "/usr/include/ccp4/ccp4_parser.h"
  #include "/usr/include/ccp4/ccp4_program.h"
  #include "/usr/include/ccp4/ccp4_spg.h"
  #include "/usr/include/ccp4/ccp4_sysdep.h"
  #include "/usr/include/ccp4/ccp4_types.h"
  #include "/usr/include/ccp4/ccp4_unitcell.h"
  #include "/usr/include/ccp4/ccp4_utils.h"
  #include "/usr/include/ccp4/ccp4_vars.h"
  #include "/usr/include/ccp4/cmap_data.h"
  #include "/usr/include/ccp4/cmap_errno.h"
  #include "/usr/include/ccp4/cmap_header.h"
  #include "/usr/include/ccp4/cmap_labels.h"
  #include "/usr/include/ccp4/cmap_skew.h"
  #include "/usr/include/ccp4/cmap_stats.h"
  #include "/usr/include/ccp4/cmaplib_f.h"
  #include "/usr/include/ccp4/cmtzlib.h"
  #include "/usr/include/ccp4/csymlib.h"
  #include "/usr/include/ccp4/cvecmat.h"
  #include "/usr/include/ccp4/library_file.h"
  #include "/usr/include/ccp4/mtzdata.h"
  #include "/usr/include/ccp4/overview.h"
  #include "/usr/include/ccp4/pack_c.h"
  #include "/usr/include/ccp4/w32mvs.h"

  // add namespaces
  namespace CCP4{typedef int tmp_add_type_1;}
  CCP4::tmp_add_type_1 tmp_add_func_1(){return 0;};
  namespace CCP4uc{typedef int tmp_add_type_2;}
  CCP4uc::tmp_add_type_2 tmp_add_func_2(){return 0;};
  namespace CMtz{typedef int tmp_add_type_3;}
  CMtz::tmp_add_type_3 tmp_add_func_3(){return 0;};
  namespace CSym{typedef int tmp_add_type_4;}
  CSym::tmp_add_type_4 tmp_add_func_4(){return 0;};
  namespace CMap_io{typedef int tmp_add_type_5;}
  CMap_io::tmp_add_type_5 tmp_add_func_5(){return 0;};

  // add classes
  _G_fpos64_t* tmp_add_class_0;
  _G_fpos_t* tmp_add_class_1;
  _IOConvMap* tmp_add_class_2;
  _IO_cookie_io_functions_t* tmp_add_class_3;
  ccp4array_base_* tmp_add_class_4;
  f_owner_ex* tmp_add_class_5;
  file_handle* tmp_add_class_6;
  float_uint_uchar* tmp_add_class_7;
  flock64* tmp_add_class_8;
  iovec* tmp_add_class_9;
  statx_timestamp* tmp_add_class_10;
  tms* tmp_add_class_11;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/Tg8AZfJzGv/dump1.h"