Temporary header file '/tmp/LKEuysglkI/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 // add includes #include "/usr/include/corosync/cfg.h" // add classes cmsghdr* tmp_add_class_0; corosync_cfg_node_status_v1* tmp_add_class_1; corosync_knet_link_status_v1* tmp_add_class_2; group_filter* tmp_add_class_3; group_req* tmp_add_class_4; group_source_req* tmp_add_class_5; in6_addr* tmp_add_class_6; in6_pktinfo* tmp_add_class_7; in_addr* tmp_add_class_8; in_pktinfo* tmp_add_class_9; iovec* tmp_add_class_10; ip6_mtuinfo* tmp_add_class_11; ip_mreq* tmp_add_class_12; ip_mreq_source* tmp_add_class_13; ip_mreqn* tmp_add_class_14; ip_msfilter* tmp_add_class_15; ip_opts* tmp_add_class_16; ipv6_mreq* tmp_add_class_17; itimerval* tmp_add_class_18; linger* tmp_add_class_19; mmsghdr* tmp_add_class_20; msghdr* tmp_add_class_21; osockaddr* tmp_add_class_22; sockaddr* tmp_add_class_23; sockaddr_in* tmp_add_class_24; sockaddr_in6* tmp_add_class_25; sockaddr_storage* tmp_add_class_26; ucred* tmp_add_class_27; The GCC parameters: gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/LKEuysglkI/dump1.h"