Temporary header file '/tmp/kyOD4iD6ia/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
#define getaddrinfo_a(a,b,c,d)

  // add includes
  #include "/usr/include/libecpint/angular.hpp"
  #include "/usr/include/libecpint/api.hpp"
  #include "/usr/include/libecpint/bessel.hpp"
  #include "/usr/include/libecpint/config.hpp"
  #include "/usr/include/libecpint/ecp.hpp"
  #include "/usr/include/libecpint/ecpint.hpp"
  #include "/usr/include/libecpint/gaussquad.hpp"
  #include "/usr/include/libecpint/gshell.hpp"
  #include "/usr/include/libecpint/mathutil.hpp"
  #include "/usr/include/libecpint/multiarr.hpp"
  #include "/usr/include/libecpint/qgen.hpp"
  #include "/usr/include/libecpint/radial.hpp"
  #include "/usr/include/libecpint.hpp"

  // add namespaces
  namespace libecpint{typedef int tmp_add_type_1;}
  libecpint::tmp_add_type_1 tmp_add_func_1(){return 0;};
  namespace libecpint{namespace aux{typedef int tmp_add_type_2;}}
  libecpint::aux::tmp_add_type_2 tmp_add_func_2(){return 0;};
  namespace libecpint{namespace qgen{typedef int tmp_add_type_3;}}
  libecpint::qgen::tmp_add_type_3 tmp_add_func_3(){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/kyOD4iD6ia/dump1.h"