Temporary header file '/tmp/KxaArYhsEZ/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/kiwix/book.h"
  #include "/usr/include/kiwix/bookmark.h"
  #include "/usr/include/kiwix/common.h"
  #include "/usr/include/kiwix/downloader.h"
  #include "/usr/include/kiwix/entry.h"
  #include "/usr/include/kiwix/kiwix_config.h"
  #include "/usr/include/kiwix/kiwixserve.h"
  #include "/usr/include/kiwix/library.h"
  #include "/usr/include/kiwix/libxml_dumper.h"
  #include "/usr/include/kiwix/manager.h"
  #include "/usr/include/kiwix/name_mapper.h"
  #include "/usr/include/kiwix/opds_dumper.h"
  #include "/usr/include/kiwix/reader.h"
  #include "/usr/include/kiwix/search_renderer.h"
  #include "/usr/include/kiwix/searcher.h"
  #include "/usr/include/kiwix/server.h"
  #include "/usr/include/kiwix/tools.h"
  #include "/usr/include/kiwix/version.h"

  // add namespaces
  namespace kiwix{typedef int tmp_add_type_1;}
  kiwix::tmp_add_type_1 tmp_add_func_1(){return 0;};
  namespace pugi{typedef int tmp_add_type_2;}
  pugi::tmp_add_type_2 tmp_add_func_2(){return 0;};
  namespace Xapian{typedef int tmp_add_type_3;}
  Xapian::tmp_add_type_3 tmp_add_func_3(){return 0;};
  namespace zim{typedef int tmp_add_type_4;}
  zim::tmp_add_type_4 tmp_add_func_4(){return 0;};
  namespace icu_72{typedef int tmp_add_type_5;}
  icu_72::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;
  _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/KxaArYhsEZ/dump1.h"