Temporary header file '/tmp/nKR1Tz3rmD/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/dbus-1.0/dbus/dbus-python.h" // add classes DBusError* tmp_add_class_0; DBusMessageIter* tmp_add_class_1; DBusObjectPathVTable* tmp_add_class_2; PyCodeObject* tmp_add_class_3; PyConfig* tmp_add_class_4; PyGetSetDef* tmp_add_class_5; PyMethodDef* tmp_add_class_6; PyModuleDef* tmp_add_class_7; PyModuleDef_Base* tmp_add_class_8; PyModuleDef_Slot* tmp_add_class_9; PyPreConfig* tmp_add_class_10; PyStructSequence_Desc* tmp_add_class_11; PyStructSequence_Field* tmp_add_class_12; _G_fpos64_t* tmp_add_class_13; _G_fpos_t* tmp_add_class_14; _IO_cookie_io_functions_t* tmp_add_class_15; _PyArg_Parser* tmp_add_class_16; _PyCFrame* tmp_add_class_17; _PyWeakReference* tmp_add_class_18; _Py_Identifier* tmp_add_class_19; _Py_tss_t* tmp_add_class_20; _err_stackitem* tmp_add_class_21; _frozen* tmp_add_class_22; _heaptypeobject* tmp_add_class_23; _inittab* tmp_add_class_24; _line_offsets* tmp_add_class_25; _longobject* tmp_add_class_26; _object* tmp_add_class_27; _opaque* tmp_add_class_28; _specialization_cache* tmp_add_class_29; _stack_chunk* tmp_add_class_30; _traceback* tmp_add_class_31; _ts* tmp_add_class_32; _typeobject* tmp_add_class_33; _xid* tmp_add_class_34; itimerval* tmp_add_class_35; statx_timestamp* tmp_add_class_36; wrapperbase* tmp_add_class_37; The GCC parameters: gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/nKR1Tz3rmD/dump1.h" -I/usr/include/python3.11 -I/usr/include/dbus-1.0 -I/lib/arm-linux-gnueabihf/dbus-1.0/include