Temporary header file '/tmp/lN8tZ38fIg/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
#ifdef __cplusplus
// C17 compat layer
#define _Alignof(type) alignof(type)
#endif
#define getaddrinfo_a(a,b,c,d)

  // add includes
  #include "/usr/include/IMUDrivers/RTHumidity.h"
  #include "/usr/include/IMUDrivers/RTHumidityDefs.h"
  #include "/usr/include/IMUDrivers/RTHumidityHTS221.h"
  #include "/usr/include/IMUDrivers/RTHumidityHTU21D.h"
  #include "/usr/include/IMUDrivers/RTIMU.h"
  #include "/usr/include/IMUDrivers/RTIMUBMX055.h"
  #include "/usr/include/IMUDrivers/RTIMUBNO055.h"
  #include "/usr/include/IMUDrivers/RTIMUDefs.h"
  #include "/usr/include/IMUDrivers/RTIMUGD20HM303D.h"
  #include "/usr/include/IMUDrivers/RTIMUGD20HM303DLHC.h"
  #include "/usr/include/IMUDrivers/RTIMUGD20M303DLHC.h"
  #include "/usr/include/IMUDrivers/RTIMULSM9DS0.h"
  #include "/usr/include/IMUDrivers/RTIMULSM9DS1.h"
  #include "/usr/include/IMUDrivers/RTIMUMPU9150.h"
  #include "/usr/include/IMUDrivers/RTIMUMPU9250.h"
  #include "/usr/include/IMUDrivers/RTIMUNull.h"
  #include "/usr/include/IMUDrivers/RTPressure.h"
  #include "/usr/include/IMUDrivers/RTPressureBMP180.h"
  #include "/usr/include/IMUDrivers/RTPressureDefs.h"
  #include "/usr/include/IMUDrivers/RTPressureLPS25H.h"
  #include "/usr/include/IMUDrivers/RTPressureMS5611.h"
  #include "/usr/include/IMUDrivers/RTPressureMS5637.h"
  #include "/usr/include/RTFusion.h"
  #include "/usr/include/RTFusionKalman4.h"
  #include "/usr/include/RTFusionRTQF.h"
  #include "/usr/include/RTIMUAccelCal.h"
  #include "/usr/include/RTIMUCalDefs.h"
  #include "/usr/include/RTIMUHal.h"
  #include "/usr/include/RTIMULib.h"
  #include "/usr/include/RTIMULibDefs.h"
  #include "/usr/include/RTIMUMagCal.h"
  #include "/usr/include/RTIMUSettings.h"
  #include "/usr/include/RTMath.h"

  // add classes
  RTFusion* tmp_add_class_0;
  RTFusionKalman4* tmp_add_class_1;
  RTFusionRTQF* tmp_add_class_2;
  RTHumidity* tmp_add_class_3;
  RTHumidityHTS221* tmp_add_class_4;
  RTHumidityHTU21D* tmp_add_class_5;
  RTIMU* tmp_add_class_6;
  RTIMUAccelCal* tmp_add_class_7;
  RTIMUBMX055* tmp_add_class_8;
  RTIMUBNO055* tmp_add_class_9;
  RTIMUGD20HM303D* tmp_add_class_10;
  RTIMUGD20HM303DLHC* tmp_add_class_11;
  RTIMUGD20M303DLHC* tmp_add_class_12;
  RTIMUHal* tmp_add_class_13;
  RTIMULSM9DS0* tmp_add_class_14;
  RTIMULSM9DS1* tmp_add_class_15;
  RTIMUMPU9150* tmp_add_class_16;
  RTIMUMPU9250* tmp_add_class_17;
  RTIMUMagCal* tmp_add_class_18;
  RTIMUNull* tmp_add_class_19;
  RTIMUSettings* tmp_add_class_20;
  RTMath* tmp_add_class_21;
  RTMatrix4x4* tmp_add_class_22;
  RTPressure* tmp_add_class_23;
  RTPressureBMP180* tmp_add_class_24;
  RTPressureLPS25H* tmp_add_class_25;
  RTPressureMS5611* tmp_add_class_26;
  RTPressureMS5637* tmp_add_class_27;
  RTQuaternion* tmp_add_class_28;
  RTVector3* tmp_add_class_29;
  _G_fpos64_t* tmp_add_class_30;
  _G_fpos_t* tmp_add_class_31;
  _IO_cookie_io_functions_t* tmp_add_class_32;
  f_owner_ex* tmp_add_class_33;
  file_handle* tmp_add_class_34;
  flock64* tmp_add_class_35;
  i2c_rdwr_ioctl_data* tmp_add_class_36;
  i2c_smbus_ioctl_data* tmp_add_class_37;
  iovec* tmp_add_class_38;
  itimerval* tmp_add_class_39;
  termio* tmp_add_class_40;
  winsize* tmp_add_class_41;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/lN8tZ38fIg/dump1.h"