Temporary header file '/tmp/jX_sNtrnBh/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/GeographicLib/Accumulator.hpp"
  #include "/usr/include/GeographicLib/AlbersEqualArea.hpp"
  #include "/usr/include/GeographicLib/AzimuthalEquidistant.hpp"
  #include "/usr/include/GeographicLib/CassiniSoldner.hpp"
  #include "/usr/include/GeographicLib/CircularEngine.hpp"
  #include "/usr/include/GeographicLib/Config.h"
  #include "/usr/include/GeographicLib/Constants.hpp"
  #include "/usr/include/GeographicLib/DMS.hpp"
  #include "/usr/include/GeographicLib/DST.hpp"
  #include "/usr/include/GeographicLib/Ellipsoid.hpp"
  #include "/usr/include/GeographicLib/EllipticFunction.hpp"
  #include "/usr/include/GeographicLib/GARS.hpp"
  #include "/usr/include/GeographicLib/GeoCoords.hpp"
  #include "/usr/include/GeographicLib/Geocentric.hpp"
  #include "/usr/include/GeographicLib/Geodesic.hpp"
  #include "/usr/include/GeographicLib/GeodesicExact.hpp"
  #include "/usr/include/GeographicLib/GeodesicLine.hpp"
  #include "/usr/include/GeographicLib/GeodesicLineExact.hpp"
  #include "/usr/include/GeographicLib/Geohash.hpp"
  #include "/usr/include/GeographicLib/Geoid.hpp"
  #include "/usr/include/GeographicLib/Georef.hpp"
  #include "/usr/include/GeographicLib/Gnomonic.hpp"
  #include "/usr/include/GeographicLib/GravityCircle.hpp"
  #include "/usr/include/GeographicLib/GravityModel.hpp"
  #include "/usr/include/GeographicLib/LambertConformalConic.hpp"
  #include "/usr/include/GeographicLib/LocalCartesian.hpp"
  #include "/usr/include/GeographicLib/MGRS.hpp"
  #include "/usr/include/GeographicLib/MagneticCircle.hpp"
  #include "/usr/include/GeographicLib/MagneticModel.hpp"
  #include "/usr/include/GeographicLib/Math.hpp"
  #include "/usr/include/GeographicLib/NearestNeighbor.hpp"
  #include "/usr/include/GeographicLib/NormalGravity.hpp"
  #include "/usr/include/GeographicLib/OSGB.hpp"
  #include "/usr/include/GeographicLib/PolarStereographic.hpp"
  #include "/usr/include/GeographicLib/PolygonArea.hpp"
  #include "/usr/include/GeographicLib/Rhumb.hpp"
  #include "/usr/include/GeographicLib/SphericalEngine.hpp"
  #include "/usr/include/GeographicLib/SphericalHarmonic.hpp"
  #include "/usr/include/GeographicLib/SphericalHarmonic1.hpp"
  #include "/usr/include/GeographicLib/SphericalHarmonic2.hpp"
  #include "/usr/include/GeographicLib/TransverseMercator.hpp"
  #include "/usr/include/GeographicLib/TransverseMercatorExact.hpp"
  #include "/usr/include/GeographicLib/UTMUPS.hpp"
  #include "/usr/include/GeographicLib/Utility.hpp"

  // add namespaces
  namespace GeographicLib{typedef int tmp_add_type_1;}
  GeographicLib::tmp_add_type_1 tmp_add_func_1(){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/jX_sNtrnBh/dump1.h"