Temporary header file '/tmp/JHf5nGMUNk/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/rplay.h" // 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; _rplay* tmp_add_class_3; _rplay_attrs* tmp_add_class_4; cmsghdr* tmp_add_class_5; group_filter* tmp_add_class_6; group_req* tmp_add_class_7; group_source_req* tmp_add_class_8; in6_addr* tmp_add_class_9; in6_pktinfo* tmp_add_class_10; in_addr* tmp_add_class_11; in_pktinfo* tmp_add_class_12; iovec* tmp_add_class_13; ip6_mtuinfo* tmp_add_class_14; ip_mreq* tmp_add_class_15; ip_mreq_source* tmp_add_class_16; ip_mreqn* tmp_add_class_17; ip_msfilter* tmp_add_class_18; ip_opts* tmp_add_class_19; ipv6_mreq* tmp_add_class_20; linger* tmp_add_class_21; mmsghdr* tmp_add_class_22; msghdr* tmp_add_class_23; osockaddr* tmp_add_class_24; sockaddr* tmp_add_class_25; sockaddr_in* tmp_add_class_26; sockaddr_in6* tmp_add_class_27; sockaddr_storage* tmp_add_class_28; ucred* tmp_add_class_29; The GCC parameters: gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/JHf5nGMUNk/dump1.h"