Temporary header file '/tmp/UftOXM2QmV/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/oping.h" // add classes cmsghdr* tmp_add_class_0; iovec* tmp_add_class_1; linger* tmp_add_class_2; mmsghdr* tmp_add_class_3; msghdr* tmp_add_class_4; osockaddr* tmp_add_class_5; sockaddr* tmp_add_class_6; sockaddr_storage* tmp_add_class_7; ucred* tmp_add_class_8; The GCC parameters: gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/UftOXM2QmV/dump1.h"