Temporary header file '/tmp/Tc4_HC4maK/dump1.h' with the following content will be compiled to create GCC translation unit dump: // add defines #define __STDC_VERSION__ 201710L #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/libzbd/zbd.h" // add classes _G_fpos64_t* tmp_add_class_0; _G_fpos_t* tmp_add_class_1; _IO_cookie_io_functions_t* tmp_add_class_2; blk_zone* tmp_add_class_3; blk_zone_range* tmp_add_class_4; blk_zone_report* tmp_add_class_5; zbd_info* tmp_add_class_6; zbd_zone* tmp_add_class_7; The GCC parameters: gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/Tc4_HC4maK/dump1.h"