Temporary header file '/tmp/dY7Q3eKlm8/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
#ifdef __cplusplus
// C17 compat layer
#define _Alignof(type) alignof(type)
#endif
#define getaddrinfo_a(a,b,c,d)

  // add includes
  #include "/usr/include/osmocom/mgcp_client/mgcp_client.h"
  #include "/usr/include/osmocom/mgcp_client/mgcp_client_endpoint_fsm.h"
  #include "/usr/include/osmocom/mgcp_client/mgcp_client_fsm.h"
  #include "/usr/include/osmocom/mgcp_client/mgcp_client_pool.h"
  #include "/usr/include/osmocom/mgcp_client/mgcp_common.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;
  cmsghdr* tmp_add_class_3;
  group_filter* tmp_add_class_4;
  group_req* tmp_add_class_5;
  group_source_req* tmp_add_class_6;
  gsm48_add_ass* tmp_add_class_7;
  gsm48_ass_cmd* tmp_add_class_8;
  gsm48_ass_cpl* tmp_add_class_9;
  gsm48_ass_fail* tmp_add_class_10;
  gsm48_auth_req* tmp_add_class_11;
  gsm48_auth_resp* tmp_add_class_12;
  gsm48_cell_desc* tmp_add_class_13;
  gsm48_cell_options* tmp_add_class_14;
  gsm48_cell_sel_par* tmp_add_class_15;
  gsm48_chan_desc* tmp_add_class_16;
  gsm48_chan_mode_modify* tmp_add_class_17;
  gsm48_chan_rel* tmp_add_class_18;
  gsm48_cip_mode_cmd* tmp_add_class_19;
  gsm48_classmark1* tmp_add_class_20;
  gsm48_classmark2* tmp_add_class_21;
  gsm48_classmark3* tmp_add_class_22;
  gsm48_cm_change* tmp_add_class_23;
  gsm48_control_channel_descr* tmp_add_class_24;
  gsm48_frq_redef* tmp_add_class_25;
  gsm48_gprs_susp_req* tmp_add_class_26;
  gsm48_hdr* tmp_add_class_27;
  gsm48_ho_cmd* tmp_add_class_28;
  gsm48_ho_cpl* tmp_add_class_29;
  gsm48_ho_fail* tmp_add_class_30;
  gsm48_imm_ass* tmp_add_class_31;
  gsm48_imm_ass_ext* tmp_add_class_32;
  gsm48_imm_ass_rej* tmp_add_class_33;
  gsm48_imsi_detach_ind* tmp_add_class_34;
  gsm48_loc_area_id* tmp_add_class_35;
  gsm48_loc_upd_req* tmp_add_class_36;
  gsm48_meas_res* tmp_add_class_37;
  gsm48_multi_rate_conf* tmp_add_class_38;
  gsm48_pag_resp* tmp_add_class_39;
  gsm48_pag_rsp* tmp_add_class_40;
  gsm48_paging1* tmp_add_class_41;
  gsm48_paging2* tmp_add_class_42;
  gsm48_paging3* tmp_add_class_43;
  gsm48_power_cmd* tmp_add_class_44;
  gsm48_ra_id* tmp_add_class_45;
  gsm48_rach_control* tmp_add_class_46;
  gsm48_range_1024* tmp_add_class_47;
  gsm48_range_128* tmp_add_class_48;
  gsm48_range_256* tmp_add_class_49;
  gsm48_range_512* tmp_add_class_50;
  gsm48_req_ref* tmp_add_class_51;
  gsm48_rr_status* tmp_add_class_52;
  gsm48_service_request* tmp_add_class_53;
  gsm48_start_time* tmp_add_class_54;
  gsm48_sync_ind* tmp_add_class_55;
  gsm48_system_information_type_1* tmp_add_class_56;
  gsm48_system_information_type_13* tmp_add_class_57;
  gsm48_system_information_type_2* tmp_add_class_58;
  gsm48_system_information_type_2bis* tmp_add_class_59;
  gsm48_system_information_type_2quater* tmp_add_class_60;
  gsm48_system_information_type_2ter* tmp_add_class_61;
  gsm48_system_information_type_3* tmp_add_class_62;
  gsm48_system_information_type_4* tmp_add_class_63;
  gsm48_system_information_type_5* tmp_add_class_64;
  gsm48_system_information_type_5bis* tmp_add_class_65;
  gsm48_system_information_type_5ter* tmp_add_class_66;
  gsm48_system_information_type_6* tmp_add_class_67;
  gsm48_system_information_type_header* tmp_add_class_68;
  gsm48_var_bit* tmp_add_class_69;
  gsm_time* tmp_add_class_70;
  hlist_head* tmp_add_class_71;
  hlist_node* tmp_add_class_72;
  in6_addr* tmp_add_class_73;
  in6_pktinfo* tmp_add_class_74;
  in_addr* tmp_add_class_75;
  in_pktinfo* tmp_add_class_76;
  iovec* tmp_add_class_77;
  ip6_mtuinfo* tmp_add_class_78;
  ip_mreq* tmp_add_class_79;
  ip_mreq_source* tmp_add_class_80;
  ip_mreqn* tmp_add_class_81;
  ip_msfilter* tmp_add_class_82;
  ip_opts* tmp_add_class_83;
  ipv6_mreq* tmp_add_class_84;
  linger* tmp_add_class_85;
  llist_head* tmp_add_class_86;
  log_category* tmp_add_class_87;
  log_context* tmp_add_class_88;
  log_info* tmp_add_class_89;
  log_info_cat* tmp_add_class_90;
  log_target* tmp_add_class_91;
  mgcp_client_conf* tmp_add_class_92;
  mgcp_codec_param* tmp_add_class_93;
  mgcp_conn_peer* tmp_add_class_94;
  mgcp_msg* tmp_add_class_95;
  mgcp_response* tmp_add_class_96;
  mgcp_response_head* tmp_add_class_97;
  mmsghdr* tmp_add_class_98;
  msgb* tmp_add_class_99;
  msghdr* tmp_add_class_100;
  osmo_gsm48_classmark* tmp_add_class_101;
  osmo_strbuf* tmp_add_class_102;
  osmo_talloc_contexts* tmp_add_class_103;
  osockaddr* tmp_add_class_104;
  ptmap* tmp_add_class_105;
  sockaddr* tmp_add_class_106;
  sockaddr_in* tmp_add_class_107;
  sockaddr_in6* tmp_add_class_108;
  sockaddr_storage* tmp_add_class_109;
  ucred* tmp_add_class_110;
  value_string* tmp_add_class_111;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/dY7Q3eKlm8/dump1.h"