Temporary header file '/tmp/NafpVZmKrR/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/s3d.h" #include "/usr/include/s3d_keysym.h" // add classes mcp_object* tmp_add_class_0; s3d_but_info* tmp_add_class_1; s3d_evt* tmp_add_class_2; s3d_key_event* tmp_add_class_3; s3d_obj_info* tmp_add_class_4; The GCC parameters: gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/NafpVZmKrR/dump1.h"