Temporary header file '/tmp/JUOOCAauPJ/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/mathic/Action.h"
  #include "/usr/include/mathic/BinaryKDTree.h"
  #include "/usr/include/mathic/BitTriangle.h"
  #include "/usr/include/mathic/BoolParameter.h"
  #include "/usr/include/mathic/CliParameter.h"
  #include "/usr/include/mathic/CliParser.h"
  #include "/usr/include/mathic/ColumnPrinter.h"
  #include "/usr/include/mathic/ComTree.h"
  #include "/usr/include/mathic/Comparer.h"
  #include "/usr/include/mathic/DivFinder.h"
  #include "/usr/include/mathic/DivList.h"
  #include "/usr/include/mathic/DivMask.h"
  #include "/usr/include/mathic/GeoFront.h"
  #include "/usr/include/mathic/Geobucket.h"
  #include "/usr/include/mathic/HashTable.h"
  #include "/usr/include/mathic/Heap.h"
  #include "/usr/include/mathic/HelpAction.h"
  #include "/usr/include/mathic/IntegerParameter.h"
  #include "/usr/include/mathic/KDEntryArray.h"
  #include "/usr/include/mathic/KDTree.h"
  #include "/usr/include/mathic/NameFactory.h"
  #include "/usr/include/mathic/PackedKDTree.h"
  #include "/usr/include/mathic/PairQueue.h"
  #include "/usr/include/mathic/StlSet.h"
  #include "/usr/include/mathic/StringParameter.h"
  #include "/usr/include/mathic/Timer.h"
  #include "/usr/include/mathic/TourTree.h"
  #include "/usr/include/mathic/display.h"
  #include "/usr/include/mathic/error.h"
  #include "/usr/include/mathic/stdinc.h"
  #include "/usr/include/mathic.h"

  // add namespaces
  namespace mathic{typedef int tmp_add_type_1;}
  mathic::tmp_add_type_1 tmp_add_func_1(){return 0;};
  namespace mathic{namespace DivListHelper{typedef int tmp_add_type_2;}}
  mathic::DivListHelper::tmp_add_type_2 tmp_add_func_2(){return 0;};
  namespace mathic{namespace KDTreeInternal{typedef int tmp_add_type_3;}}
  mathic::KDTreeInternal::tmp_add_type_3 tmp_add_func_3(){return 0;};
  namespace mathic{namespace PairQueueInternal{typedef int tmp_add_type_4;}}
  mathic::PairQueueInternal::tmp_add_type_4 tmp_add_func_4(){return 0;};
  namespace mathic{namespace PairQueueNamespace{typedef int tmp_add_type_5;}}
  mathic::PairQueueNamespace::tmp_add_type_5 tmp_add_func_5(){return 0;};
  namespace memt{typedef int tmp_add_type_6;}
  memt::tmp_add_type_6 tmp_add_func_6(){return 0;};
  namespace mic{typedef int tmp_add_type_7;}
  mic::tmp_add_type_7 tmp_add_func_7(){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/JUOOCAauPJ/dump1.h"