Temporary header file '/tmp/mm1jscgkTC/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/flite/cst_alloc.h"
  #include "/usr/include/flite/cst_args.h"
  #include "/usr/include/flite/cst_audio.h"
  #include "/usr/include/flite/cst_cart.h"
  #include "/usr/include/flite/cst_cg.h"
  #include "/usr/include/flite/cst_clunits.h"
  #include "/usr/include/flite/cst_diphone.h"
  #include "/usr/include/flite/cst_endian.h"
  #include "/usr/include/flite/cst_error.h"
  #include "/usr/include/flite/cst_features.h"
  #include "/usr/include/flite/cst_ffeatures.h"
  #include "/usr/include/flite/cst_file.h"
  #include "/usr/include/flite/cst_hrg.h"
  #include "/usr/include/flite/cst_item.h"
  #include "/usr/include/flite/cst_lexicon.h"
  #include "/usr/include/flite/cst_lts.h"
  #include "/usr/include/flite/cst_lts_rewrites.h"
  #include "/usr/include/flite/cst_math.h"
  #include "/usr/include/flite/cst_phoneset.h"
  #include "/usr/include/flite/cst_regex.h"
  #include "/usr/include/flite/cst_relation.h"
  #include "/usr/include/flite/cst_sigpr.h"
  #include "/usr/include/flite/cst_socket.h"
  #include "/usr/include/flite/cst_ss.h"
  #include "/usr/include/flite/cst_string.h"
  #include "/usr/include/flite/cst_sts.h"
  #include "/usr/include/flite/cst_synth.h"
  #include "/usr/include/flite/cst_tokenstream.h"
  #include "/usr/include/flite/cst_track.h"
  #include "/usr/include/flite/cst_units.h"
  #include "/usr/include/flite/cst_utt_utils.h"
  #include "/usr/include/flite/cst_utterance.h"
  #include "/usr/include/flite/cst_val.h"
  #include "/usr/include/flite/cst_val_const.h"
  #include "/usr/include/flite/cst_val_defs.h"
  #include "/usr/include/flite/cst_viterbi.h"
  #include "/usr/include/flite/cst_voice.h"
  #include "/usr/include/flite/cst_wave.h"
  #include "/usr/include/flite/cst_wchar.h"
  #include "/usr/include/flite/flite.h"
  #include "/usr/include/flite/flite_version.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;
  cst_audio_streaming_info_struct* tmp_add_class_3;
  cst_audiodev_struct* tmp_add_class_4;
  cst_cart_node_struct* tmp_add_class_5;
  cst_cart_struct* tmp_add_class_6;
  cst_cg_db_struct* tmp_add_class_7;
  cst_clunit_db_struct* tmp_add_class_8;
  cst_clunit_struct* tmp_add_class_9;
  cst_clunit_type_struct* tmp_add_class_10;
  cst_diphone_db_struct* tmp_add_class_11;
  cst_diphone_entry_struct* tmp_add_class_12;
  cst_dur_stats_struct* tmp_add_class_13;
  cst_features_struct* tmp_add_class_14;
  cst_featvalpair_struct* tmp_add_class_15;
  cst_filemap_struct* tmp_add_class_16;
  cst_item_contents_struct* tmp_add_class_17;
  cst_item_struct* tmp_add_class_18;
  cst_lang_struct* tmp_add_class_19;
  cst_lpcres_struct* tmp_add_class_20;
  cst_lts_rewrites_struct* tmp_add_class_21;
  cst_lts_rule_struct* tmp_add_class_22;
  cst_lts_rules_struct* tmp_add_class_23;
  cst_phoneset_struct* tmp_add_class_24;
  cst_rateconv_struct* tmp_add_class_25;
  cst_regex_struct* tmp_add_class_26;
  cst_regstate_struct* tmp_add_class_27;
  cst_relation_struct* tmp_add_class_28;
  cst_ss_struct* tmp_add_class_29;
  cst_sts_list_struct* tmp_add_class_30;
  cst_sts_paged_struct* tmp_add_class_31;
  cst_sts_struct* tmp_add_class_32;
  cst_synth_module_struct* tmp_add_class_33;
  cst_tokenstream_struct* tmp_add_class_34;
  cst_track_struct* tmp_add_class_35;
  cst_utterance_struct* tmp_add_class_36;
  cst_val_atom_struct* tmp_add_class_37;
  cst_val_cons_struct* tmp_add_class_38;
  cst_val_def_struct* tmp_add_class_39;
  cst_val_struct* tmp_add_class_40;
  cst_vit_cand_struct* tmp_add_class_41;
  cst_vit_path_struct* tmp_add_class_42;
  cst_vit_point_struct* tmp_add_class_43;
  cst_viterbi_struct* tmp_add_class_44;
  cst_voice_struct* tmp_add_class_45;
  cst_wave_header_struct* tmp_add_class_46;
  cst_wave_struct* tmp_add_class_47;
  lexicon_struct* tmp_add_class_48;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/mm1jscgkTC/dump1.h"