Temporary header file '/tmp/Ak5HKFHTjT/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
#define getaddrinfo_a(a,b,c,d)

  // add includes
  #include "/usr/include/pa_jack.h"
  #include "/usr/include/pa_linux_alsa.h"
  #include "/usr/include/pa_unix_oss.h"
  #include "/usr/include/portaudio.h"
  #include "/usr/include/portaudiocpp/AutoSystem.hxx"
  #include "/usr/include/portaudiocpp/BlockingStream.hxx"
  #include "/usr/include/portaudiocpp/CFunCallbackStream.hxx"
  #include "/usr/include/portaudiocpp/CallbackInterface.hxx"
  #include "/usr/include/portaudiocpp/CallbackStream.hxx"
  #include "/usr/include/portaudiocpp/CppFunCallbackStream.hxx"
  #include "/usr/include/portaudiocpp/Device.hxx"
  #include "/usr/include/portaudiocpp/DirectionSpecificStreamParameters.hxx"
  #include "/usr/include/portaudiocpp/Exception.hxx"
  #include "/usr/include/portaudiocpp/HostApi.hxx"
  #include "/usr/include/portaudiocpp/InterfaceCallbackStream.hxx"
  #include "/usr/include/portaudiocpp/MemFunCallbackStream.hxx"
  #include "/usr/include/portaudiocpp/PortAudioCpp.hxx"
  #include "/usr/include/portaudiocpp/SampleDataFormat.hxx"
  #include "/usr/include/portaudiocpp/Stream.hxx"
  #include "/usr/include/portaudiocpp/StreamParameters.hxx"
  #include "/usr/include/portaudiocpp/System.hxx"
  #include "/usr/include/portaudiocpp/SystemDeviceIterator.hxx"
  #include "/usr/include/portaudiocpp/SystemHostApiIterator.hxx"

  // add namespaces
  namespace portaudio{typedef int tmp_add_type_1;}
  portaudio::tmp_add_type_1 tmp_add_func_1(){return 0;};
  namespace portaudio{namespace impl{typedef int tmp_add_type_2;}}
  portaudio::impl::tmp_add_type_2 tmp_add_func_2(){return 0;};

  // add classes
  PaAlsaStreamInfo* tmp_add_class_0;
  PaDeviceInfo* tmp_add_class_1;
  PaHostApiInfo* tmp_add_class_2;
  PaHostErrorInfo* tmp_add_class_3;
  PaStreamCallbackTimeInfo* tmp_add_class_4;
  PaStreamInfo* tmp_add_class_5;
  PaStreamParameters* tmp_add_class_6;
  PaVersionInfo* tmp_add_class_7;
  _G_fpos64_t* tmp_add_class_8;
  _G_fpos_t* tmp_add_class_9;
  _IO_cookie_io_functions_t* tmp_add_class_10;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/Ak5HKFHTjT/dump1.h"