Temporary header file '/tmp/ANZgPGicT0/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 #define getaddrinfo_a(a,b,c,d) // add includes #include "/usr/include/gflags/gflags.h" #include "/usr/include/gflags/gflags_completions.h" #include "/usr/include/gflags/gflags_declare.h" #include "/usr/include/gflags/gflags_gflags.h" // add namespaces namespace fLB{typedef int tmp_add_type_1;} fLB::tmp_add_type_1 tmp_add_func_1(){return 0;}; namespace fLS{typedef int tmp_add_type_2;} fLS::tmp_add_type_2 tmp_add_func_2(){return 0;}; namespace gflags{typedef int tmp_add_type_3;} gflags::tmp_add_type_3 tmp_add_func_3(){return 0;}; namespace google{typedef int tmp_add_type_4;} google::tmp_add_type_4 tmp_add_func_4(){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; The GCC parameters: gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/ANZgPGicT0/dump1.h"