Temporary header file '/tmp/EgH_0dYix8/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 #define getaddrinfo_a(a,b,c,d) // add includes #include "/usr/include/pstreams/pstream.h" // add namespaces namespace redi{typedef int tmp_add_type_1;} redi::tmp_add_type_1 tmp_add_func_1(){return 0;}; // 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; f_owner_ex* tmp_add_class_3; file_handle* tmp_add_class_4; flock64* tmp_add_class_5; iovec* tmp_add_class_6; termio* tmp_add_class_7; ucontext_t* tmp_add_class_8; winsize* tmp_add_class_9; The GCC parameters: gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/EgH_0dYix8/dump1.h"