Temporary header file '/tmp/ittS941gvC/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
#ifdef __cplusplus
// C17 compat layer
#define _Alignof(type) alignof(type)
#endif
#define getaddrinfo_a(a,b,c,d)

  // add includes
  #include "/usr/include/libapogee/Alta.h"
  #include "/usr/include/libapogee/AltaCcdAcqParams.h"
  #include "/usr/include/libapogee/AltaData.h"
  #include "/usr/include/libapogee/AltaEthernetIo.h"
  #include "/usr/include/libapogee/AltaF.h"
  #include "/usr/include/libapogee/AltaIo.h"
  #include "/usr/include/libapogee/AltaModeFsm.h"
  #include "/usr/include/libapogee/AltaUsbIo.h"
  #include "/usr/include/libapogee/ApgLogger.h"
  #include "/usr/include/libapogee/ApgTimer.h"
  #include "/usr/include/libapogee/ApnCamData.h"
  #include "/usr/include/libapogee/ApnUsbSys.h"
  #include "/usr/include/libapogee/ApogeeCam.h"
  #include "/usr/include/libapogee/ApogeeFilterWheel.h"
  #include "/usr/include/libapogee/Ascent.h"
  #include "/usr/include/libapogee/AscentBasedIo.h"
  #include "/usr/include/libapogee/AscentBasedUsbIo.h"
  #include "/usr/include/libapogee/AscentData.h"
  #include "/usr/include/libapogee/Aspen.h"
  #include "/usr/include/libapogee/AspenData.h"
  #include "/usr/include/libapogee/AspenEthernetIo.h"
  #include "/usr/include/libapogee/AspenIo.h"
  #include "/usr/include/libapogee/AspenUsbIo.h"
  #include "/usr/include/libapogee/COMHelper.h"
  #include "/usr/include/libapogee/CamCfgMatrix.h"
  #include "/usr/include/libapogee/CamGen2Base.h"
  #include "/usr/include/libapogee/CamGen2CcdAcqParams.h"
  #include "/usr/include/libapogee/CamGen2ModeFsm.h"
  #include "/usr/include/libapogee/CamHelpers.h"
  #include "/usr/include/libapogee/CamRegMirror.h"
  #include "/usr/include/libapogee/CamUsbIo.h"
  #include "/usr/include/libapogee/CameraInfo.h"
  #include "/usr/include/libapogee/CameraIo.h"
  #include "/usr/include/libapogee/CameraStatusRegs.h"
  #include "/usr/include/libapogee/CcdAcqParams.h"
  #include "/usr/include/libapogee/DefDllExport.h"
  #include "/usr/include/libapogee/DeviceStrHelpers.h"
  #include "/usr/include/libapogee/FilterWheelIo.h"
  #include "/usr/include/libapogee/FindDeviceEthernet.h"
  #include "/usr/include/libapogee/FindDeviceUsb.h"
  #include "/usr/include/libapogee/HiC.h"
  #include "/usr/include/libapogee/IAltaSerialPortIo.h"
  #include "/usr/include/libapogee/ICamIo.h"
  #include "/usr/include/libapogee/ILog.h"
  #include "/usr/include/libapogee/ITimer.h"
  #include "/usr/include/libapogee/IUsb.h"
  #include "/usr/include/libapogee/ImgFix.h"
  #include "/usr/include/libapogee/LoggerException.h"
  #include "/usr/include/libapogee/ModeFsm.h"
  #include "/usr/include/libapogee/PlatformData.h"
  #include "/usr/include/libapogee/PromFx2Io.h"
  #include "/usr/include/libapogee/Quad.h"
  #include "/usr/include/libapogee/UdpSocketBase.h"
  #include "/usr/include/libapogee/apgHelper.h"
  #include "/usr/include/libapogee/doc.h"
  #include "/usr/include/libapogee/helpers.h"
  #include "/usr/include/libapogee/libCurlWrap.h"
  #include "/usr/include/libapogee/parseCfgTabDelim.h"
  #include "/usr/include/libapogee/resource.h"
  #include "/usr/include/libapogee/versionNo.h"

  // add namespaces
  namespace Apg{typedef int tmp_add_type_1;}
  Apg::tmp_add_type_1 tmp_add_func_1(){return 0;};
  namespace apgHelper{typedef int tmp_add_type_2;}
  apgHelper::tmp_add_type_2 tmp_add_func_2(){return 0;};
  namespace CamCfg{typedef int tmp_add_type_3;}
  CamCfg::tmp_add_type_3 tmp_add_func_3(){return 0;};
  namespace CamconFrmwr{typedef int tmp_add_type_4;}
  CamconFrmwr::tmp_add_type_4 tmp_add_func_4(){return 0;};
  namespace CameraRegs{typedef int tmp_add_type_5;}
  CameraRegs::tmp_add_type_5 tmp_add_func_5(){return 0;};
  namespace CamInfo{typedef int tmp_add_type_6;}
  CamInfo::tmp_add_type_6 tmp_add_func_6(){return 0;};
  namespace CamModel{typedef int tmp_add_type_7;}
  CamModel::tmp_add_type_7 tmp_add_func_7(){return 0;};
  namespace CamStrDb{typedef int tmp_add_type_8;}
  CamStrDb::tmp_add_type_8 tmp_add_func_8(){return 0;};
  namespace COMHelper{typedef int tmp_add_type_9;}
  COMHelper::tmp_add_type_9 tmp_add_func_9(){return 0;};
  namespace DeviceStr{typedef int tmp_add_type_10;}
  DeviceStr::tmp_add_type_10 tmp_add_func_10(){return 0;};
  namespace Eeprom{typedef int tmp_add_type_11;}
  Eeprom::tmp_add_type_11 tmp_add_func_11(){return 0;};
  namespace help{typedef int tmp_add_type_12;}
  help::tmp_add_type_12 tmp_add_func_12(){return 0;};
  namespace ImgFix{typedef int tmp_add_type_13;}
  ImgFix::tmp_add_type_13 tmp_add_func_13(){return 0;};
  namespace InterfaceHelper{typedef int tmp_add_type_14;}
  InterfaceHelper::tmp_add_type_14 tmp_add_func_14(){return 0;};
  namespace parseCfgTabDelim{typedef int tmp_add_type_15;}
  parseCfgTabDelim::tmp_add_type_15 tmp_add_func_15(){return 0;};
  namespace UsbFrmwr{typedef int tmp_add_type_16;}
  UsbFrmwr::tmp_add_type_16 tmp_add_func_16(){return 0;};

  // add classes
  Alta* tmp_add_class_0;
  AltaCcdAcqParams* tmp_add_class_1;
  AltaData* tmp_add_class_2;
  AltaEthernetIo* tmp_add_class_3;
  AltaF* tmp_add_class_4;
  AltaIo* tmp_add_class_5;
  AltaModeFsm* tmp_add_class_6;
  AltaUsbIo* tmp_add_class_7;
  ApgLogger* tmp_add_class_8;
  ApgTimer* tmp_add_class_9;
  ApogeeCam* tmp_add_class_10;
  ApogeeFilterWheel* tmp_add_class_11;
  Ascent* tmp_add_class_12;
  AscentBasedIo* tmp_add_class_13;
  AscentBasedUsbIo* tmp_add_class_14;
  AscentData* tmp_add_class_15;
  Aspen* tmp_add_class_16;
  AspenData* tmp_add_class_17;
  AspenEthernetIo* tmp_add_class_18;
  AspenIo* tmp_add_class_19;
  AspenUsbIo* tmp_add_class_20;
  CApnCamData* tmp_add_class_21;
  CLibCurlWrap* tmp_add_class_22;
  CURLMsg* tmp_add_class_23;
  CamGen2Base* tmp_add_class_24;
  CamGen2CcdAcqParams* tmp_add_class_25;
  CamGen2ModeFsm* tmp_add_class_26;
  CamRegMirror* tmp_add_class_27;
  CamUsbIo* tmp_add_class_28;
  CameraIo* tmp_add_class_29;
  CameraStatusRegs* tmp_add_class_30;
  CcdAcqParams* tmp_add_class_31;
  FilterWheelIo* tmp_add_class_32;
  FindDeviceEthernet* tmp_add_class_33;
  FindDeviceUsb* tmp_add_class_34;
  HiC* tmp_add_class_35;
  IAltaSerialPortIo* tmp_add_class_36;
  ICamIo* tmp_add_class_37;
  ILog* tmp_add_class_38;
  ITimer* tmp_add_class_39;
  IUsb* tmp_add_class_40;
  LoggerError* tmp_add_class_41;
  LoggerException* tmp_add_class_42;
  ModeFsm* tmp_add_class_43;
  PlatformData* tmp_add_class_44;
  PromFx2Io* tmp_add_class_45;
  Quad* tmp_add_class_46;
  UdpSocketBase* tmp_add_class_47;
  _APN_USB_REQUEST* tmp_add_class_48;
  _G_fpos64_t* tmp_add_class_49;
  _G_fpos_t* tmp_add_class_50;
  _IO_cookie_io_functions_t* tmp_add_class_51;
  cmsghdr* tmp_add_class_52;
  curl_blob* tmp_add_class_53;
  curl_certinfo* tmp_add_class_54;
  curl_easyoption* tmp_add_class_55;
  curl_fileinfo* tmp_add_class_56;
  curl_forms* tmp_add_class_57;
  curl_header* tmp_add_class_58;
  curl_hstsentry* tmp_add_class_59;
  curl_httppost* tmp_add_class_60;
  curl_index* tmp_add_class_61;
  curl_khkey* tmp_add_class_62;
  curl_slist* tmp_add_class_63;
  curl_sockaddr* tmp_add_class_64;
  curl_ssl_backend* tmp_add_class_65;
  curl_tlssessioninfo* tmp_add_class_66;
  curl_version_info_data* tmp_add_class_67;
  curl_waitfd* tmp_add_class_68;
  curl_ws_frame* tmp_add_class_69;
  iovec* tmp_add_class_70;
  itimerval* tmp_add_class_71;
  linger* tmp_add_class_72;
  mmsghdr* tmp_add_class_73;
  msghdr* tmp_add_class_74;
  osockaddr* tmp_add_class_75;
  sockaddr* tmp_add_class_76;
  sockaddr_storage* tmp_add_class_77;
  ucred* tmp_add_class_78;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/ittS941gvC/dump1.h"