Temporary header file '/tmp/ROPfW4qjPU/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

  // add includes
  #include "/usr/include/libecap/adapter/service.h"
  #include "/usr/include/libecap/adapter/xaction.h"
  #include "/usr/include/libecap/common/area.h"
  #include "/usr/include/libecap/common/autoconf.h"
  #include "/usr/include/libecap/common/body.h"
  #include "/usr/include/libecap/common/body_size.h"
  #include "/usr/include/libecap/common/delay.h"
  #include "/usr/include/libecap/common/errors.h"
  #include "/usr/include/libecap/common/forward.h"
  #include "/usr/include/libecap/common/header.h"
  #include "/usr/include/libecap/common/libecap.h"
  #include "/usr/include/libecap/common/log.h"
  #include "/usr/include/libecap/common/memory.h"
  #include "/usr/include/libecap/common/message.h"
  #include "/usr/include/libecap/common/name.h"
  #include "/usr/include/libecap/common/named_values.h"
  #include "/usr/include/libecap/common/names.h"
  #include "/usr/include/libecap/common/options.h"
  #include "/usr/include/libecap/common/registry.h"
  #include "/usr/include/libecap/common/version.h"
  #include "/usr/include/libecap/host/host.h"
  #include "/usr/include/libecap/host/xaction.h"

  // add namespaces
  namespace libecap{typedef int tmp_add_type_1;}
  libecap::tmp_add_type_1 tmp_add_func_1(){return 0;};
  namespace libecap{namespace adapter{typedef int tmp_add_type_2;}}
  libecap::adapter::tmp_add_type_2 tmp_add_func_2(){return 0;};
  namespace libecap{namespace host{typedef int tmp_add_type_3;}}
  libecap::host::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;
  itimerval* tmp_add_class_3;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/ROPfW4qjPU/dump1.h"