Temporary header file '/tmp/IAjlgKcaXy/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 // add includes #include "/usr/include/unbound-event.h" #include "/usr/include/unbound.h" // add classes ub_event* tmp_add_class_0; ub_event_base* tmp_add_class_1; ub_event_base_vmt* tmp_add_class_2; ub_event_vmt* tmp_add_class_3; ub_result* tmp_add_class_4; ub_server_stats* tmp_add_class_5; ub_shm_stat_info* tmp_add_class_6; ub_stats_info* tmp_add_class_7; The GCC parameters: gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/IAjlgKcaXy/dump1.h"