Temporary header file '/tmp/4fsFcT5W1E/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/share/cargo/registry/exacl-0.9.0/bindgen/wrapper.h" // add classes f_owner_ex* tmp_add_class_0; file_handle* tmp_add_class_1; flock64* tmp_add_class_2; group* tmp_add_class_3; iovec* tmp_add_class_4; passwd* tmp_add_class_5; The GCC parameters: gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/4fsFcT5W1E/dump1.h"