Temporary header file '/tmp/RYJD2I98T2/dump1.h' with the following content will be compiled to create GCC translation unit dump:

  // add defines
  #define __STDC_VERSION__ 201710L
#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/arm-linux-gnueabihf/nauty/nauty.h"
  #include "/usr/include/nauty/gtools.h"
  #include "/usr/include/nauty/gutils.h"
  #include "/usr/include/nauty/naugroup.h"
  #include "/usr/include/nauty/naugstrings.h"
  #include "/usr/include/nauty/naurng.h"
  #include "/usr/include/nauty/nausparse.h"
  #include "/usr/include/nauty/nautaux.h"
  #include "/usr/include/nauty/nautinv.h"
  #include "/usr/include/nauty/naututil.h"
  #include "/usr/include/nauty/nautycliquer.h"
  #include "/usr/include/nauty/planarity.h"
  #include "/usr/include/nauty/schreier.h"
  #include "/usr/include/nauty/traces.h"

  // add classes
  TracesOptions* tmp_add_class_0;
  TracesStats* tmp_add_class_1;
  _G_fpos64_t* tmp_add_class_2;
  _G_fpos_t* tmp_add_class_3;
  _IO_cookie_io_functions_t* tmp_add_class_4;
  _clique_options* tmp_add_class_5;
  _graph_t* tmp_add_class_6;
  adjl_sparse_rep* tmp_add_class_7;
  comp_sparse_rep* tmp_add_class_8;
  coset_struct* tmp_add_class_9;
  dlcl* tmp_add_class_10;
  edge_sparse_rep* tmp_add_class_11;
  embed_sparse_rep* tmp_add_class_12;
  graph_sparse_rep* tmp_add_class_13;
  group_struct* tmp_add_class_14;
  itimerval* tmp_add_class_15;
  level_struct* tmp_add_class_16;
  merge_queue* tmp_add_class_17;
  optionstruct* tmp_add_class_18;
  perm_struct* tmp_add_class_19;
  permnodestruct* tmp_add_class_20;
  schreierlevel* tmp_add_class_21;
  ucontext_t* tmp_add_class_22;
  ver_edge* tmp_add_class_23;
  ver_sparse_rep* tmp_add_class_24;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/RYJD2I98T2/dump1.h"  -I/usr/include/arm-linux-gnueabihf/nauty -I/usr/include/cliquer