Temporary header file '/tmp/vl5_2I0z77/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/spa-0.2/spa/buffer/alloc.h"
  #include "/usr/include/spa-0.2/spa/buffer/buffer.h"
  #include "/usr/include/spa-0.2/spa/buffer/meta.h"
  #include "/usr/include/spa-0.2/spa/buffer/type-info.h"
  #include "/usr/include/spa-0.2/spa/control/control.h"
  #include "/usr/include/spa-0.2/spa/control/type-info.h"
  #include "/usr/include/spa-0.2/spa/debug/buffer.h"
  #include "/usr/include/spa-0.2/spa/debug/context.h"
  #include "/usr/include/spa-0.2/spa/debug/dict.h"
  #include "/usr/include/spa-0.2/spa/debug/format.h"
  #include "/usr/include/spa-0.2/spa/debug/log.h"
  #include "/usr/include/spa-0.2/spa/debug/mem.h"
  #include "/usr/include/spa-0.2/spa/debug/node.h"
  #include "/usr/include/spa-0.2/spa/debug/pod.h"
  #include "/usr/include/spa-0.2/spa/debug/types.h"
  #include "/usr/include/spa-0.2/spa/graph/graph.h"
  #include "/usr/include/spa-0.2/spa/interfaces/audio/aec.h"
  #include "/usr/include/spa-0.2/spa/monitor/device.h"
  #include "/usr/include/spa-0.2/spa/monitor/event.h"
  #include "/usr/include/spa-0.2/spa/monitor/type-info.h"
  #include "/usr/include/spa-0.2/spa/monitor/utils.h"
  #include "/usr/include/spa-0.2/spa/node/command.h"
  #include "/usr/include/spa-0.2/spa/node/event.h"
  #include "/usr/include/spa-0.2/spa/node/io.h"
  #include "/usr/include/spa-0.2/spa/node/keys.h"
  #include "/usr/include/spa-0.2/spa/node/node.h"
  #include "/usr/include/spa-0.2/spa/node/type-info.h"
  #include "/usr/include/spa-0.2/spa/node/utils.h"
  #include "/usr/include/spa-0.2/spa/param/audio/aac-types.h"
  #include "/usr/include/spa-0.2/spa/param/audio/aac-utils.h"
  #include "/usr/include/spa-0.2/spa/param/audio/aac.h"
  #include "/usr/include/spa-0.2/spa/param/audio/alac-utils.h"
  #include "/usr/include/spa-0.2/spa/param/audio/alac.h"
  #include "/usr/include/spa-0.2/spa/param/audio/amr-types.h"
  #include "/usr/include/spa-0.2/spa/param/audio/amr-utils.h"
  #include "/usr/include/spa-0.2/spa/param/audio/amr.h"
  #include "/usr/include/spa-0.2/spa/param/audio/ape-utils.h"
  #include "/usr/include/spa-0.2/spa/param/audio/ape.h"
  #include "/usr/include/spa-0.2/spa/param/audio/compressed.h"
  #include "/usr/include/spa-0.2/spa/param/audio/dsd-utils.h"
  #include "/usr/include/spa-0.2/spa/param/audio/dsd.h"
  #include "/usr/include/spa-0.2/spa/param/audio/dsp-utils.h"
  #include "/usr/include/spa-0.2/spa/param/audio/dsp.h"
  #include "/usr/include/spa-0.2/spa/param/audio/flac-utils.h"
  #include "/usr/include/spa-0.2/spa/param/audio/flac.h"
  #include "/usr/include/spa-0.2/spa/param/audio/format-utils.h"
  #include "/usr/include/spa-0.2/spa/param/audio/format.h"
  #include "/usr/include/spa-0.2/spa/param/audio/iec958-types.h"
  #include "/usr/include/spa-0.2/spa/param/audio/iec958-utils.h"
  #include "/usr/include/spa-0.2/spa/param/audio/iec958.h"
  #include "/usr/include/spa-0.2/spa/param/audio/layout.h"
  #include "/usr/include/spa-0.2/spa/param/audio/mp3-types.h"
  #include "/usr/include/spa-0.2/spa/param/audio/mp3-utils.h"
  #include "/usr/include/spa-0.2/spa/param/audio/mp3.h"
  #include "/usr/include/spa-0.2/spa/param/audio/ra-utils.h"
  #include "/usr/include/spa-0.2/spa/param/audio/ra.h"
  #include "/usr/include/spa-0.2/spa/param/audio/raw-types.h"
  #include "/usr/include/spa-0.2/spa/param/audio/raw-utils.h"
  #include "/usr/include/spa-0.2/spa/param/audio/raw.h"
  #include "/usr/include/spa-0.2/spa/param/audio/type-info.h"
  #include "/usr/include/spa-0.2/spa/param/audio/vorbis-utils.h"
  #include "/usr/include/spa-0.2/spa/param/audio/vorbis.h"
  #include "/usr/include/spa-0.2/spa/param/audio/wma-types.h"
  #include "/usr/include/spa-0.2/spa/param/audio/wma-utils.h"
  #include "/usr/include/spa-0.2/spa/param/audio/wma.h"
  #include "/usr/include/spa-0.2/spa/param/bluetooth/audio.h"
  #include "/usr/include/spa-0.2/spa/param/bluetooth/type-info.h"
  #include "/usr/include/spa-0.2/spa/param/buffers-types.h"
  #include "/usr/include/spa-0.2/spa/param/buffers.h"
  #include "/usr/include/spa-0.2/spa/param/format-types.h"
  #include "/usr/include/spa-0.2/spa/param/format-utils.h"
  #include "/usr/include/spa-0.2/spa/param/format.h"
  #include "/usr/include/spa-0.2/spa/param/latency-types.h"
  #include "/usr/include/spa-0.2/spa/param/latency-utils.h"
  #include "/usr/include/spa-0.2/spa/param/latency.h"
  #include "/usr/include/spa-0.2/spa/param/param-types.h"
  #include "/usr/include/spa-0.2/spa/param/param.h"
  #include "/usr/include/spa-0.2/spa/param/port-config-types.h"
  #include "/usr/include/spa-0.2/spa/param/port-config.h"
  #include "/usr/include/spa-0.2/spa/param/profile-types.h"
  #include "/usr/include/spa-0.2/spa/param/profile.h"
  #include "/usr/include/spa-0.2/spa/param/profiler-types.h"
  #include "/usr/include/spa-0.2/spa/param/profiler.h"
  #include "/usr/include/spa-0.2/spa/param/props-types.h"
  #include "/usr/include/spa-0.2/spa/param/props.h"
  #include "/usr/include/spa-0.2/spa/param/route-types.h"
  #include "/usr/include/spa-0.2/spa/param/route.h"
  #include "/usr/include/spa-0.2/spa/param/type-info.h"
  #include "/usr/include/spa-0.2/spa/param/video/chroma.h"
  #include "/usr/include/spa-0.2/spa/param/video/color.h"
  #include "/usr/include/spa-0.2/spa/param/video/dsp-utils.h"
  #include "/usr/include/spa-0.2/spa/param/video/dsp.h"
  #include "/usr/include/spa-0.2/spa/param/video/encoded.h"
  #include "/usr/include/spa-0.2/spa/param/video/format-utils.h"
  #include "/usr/include/spa-0.2/spa/param/video/format.h"
  #include "/usr/include/spa-0.2/spa/param/video/h264-utils.h"
  #include "/usr/include/spa-0.2/spa/param/video/h264.h"
  #include "/usr/include/spa-0.2/spa/param/video/mjpg-utils.h"
  #include "/usr/include/spa-0.2/spa/param/video/mjpg.h"
  #include "/usr/include/spa-0.2/spa/param/video/multiview.h"
  #include "/usr/include/spa-0.2/spa/param/video/raw-types.h"
  #include "/usr/include/spa-0.2/spa/param/video/raw-utils.h"
  #include "/usr/include/spa-0.2/spa/param/video/raw.h"
  #include "/usr/include/spa-0.2/spa/param/video/type-info.h"
  #include "/usr/include/spa-0.2/spa/pod/builder.h"
  #include "/usr/include/spa-0.2/spa/pod/command.h"
  #include "/usr/include/spa-0.2/spa/pod/compare.h"
  #include "/usr/include/spa-0.2/spa/pod/dynamic.h"
  #include "/usr/include/spa-0.2/spa/pod/event.h"
  #include "/usr/include/spa-0.2/spa/pod/filter.h"
  #include "/usr/include/spa-0.2/spa/pod/iter.h"
  #include "/usr/include/spa-0.2/spa/pod/parser.h"
  #include "/usr/include/spa-0.2/spa/pod/pod.h"
  #include "/usr/include/spa-0.2/spa/pod/vararg.h"
  #include "/usr/include/spa-0.2/spa/support/cpu.h"
  #include "/usr/include/spa-0.2/spa/support/dbus.h"
  #include "/usr/include/spa-0.2/spa/support/i18n.h"
  #include "/usr/include/spa-0.2/spa/support/log-impl.h"
  #include "/usr/include/spa-0.2/spa/support/log.h"
  #include "/usr/include/spa-0.2/spa/support/loop.h"
  #include "/usr/include/spa-0.2/spa/support/plugin-loader.h"
  #include "/usr/include/spa-0.2/spa/support/plugin.h"
  #include "/usr/include/spa-0.2/spa/support/system.h"
  #include "/usr/include/spa-0.2/spa/support/thread.h"
  #include "/usr/include/spa-0.2/spa/utils/ansi.h"
  #include "/usr/include/spa-0.2/spa/utils/defs.h"
  #include "/usr/include/spa-0.2/spa/utils/dict.h"
  #include "/usr/include/spa-0.2/spa/utils/dll.h"
  #include "/usr/include/spa-0.2/spa/utils/enum-types.h"
  #include "/usr/include/spa-0.2/spa/utils/hook.h"
  #include "/usr/include/spa-0.2/spa/utils/json-pod.h"
  #include "/usr/include/spa-0.2/spa/utils/json.h"
  #include "/usr/include/spa-0.2/spa/utils/keys.h"
  #include "/usr/include/spa-0.2/spa/utils/list.h"
  #include "/usr/include/spa-0.2/spa/utils/names.h"
  #include "/usr/include/spa-0.2/spa/utils/result.h"
  #include "/usr/include/spa-0.2/spa/utils/ringbuffer.h"
  #include "/usr/include/spa-0.2/spa/utils/string.h"
  #include "/usr/include/spa-0.2/spa/utils/type-info.h"
  #include "/usr/include/spa-0.2/spa/utils/type.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;
  spa_audio_aec* tmp_add_class_3;
  spa_audio_aec_events* tmp_add_class_4;
  spa_audio_aec_info* tmp_add_class_5;
  spa_audio_aec_methods* tmp_add_class_6;
  spa_audio_info* tmp_add_class_7;
  spa_audio_info_aac* tmp_add_class_8;
  spa_audio_info_alac* tmp_add_class_9;
  spa_audio_info_amr* tmp_add_class_10;
  spa_audio_info_ape* tmp_add_class_11;
  spa_audio_info_dsd* tmp_add_class_12;
  spa_audio_info_dsp* tmp_add_class_13;
  spa_audio_info_flac* tmp_add_class_14;
  spa_audio_info_iec958* tmp_add_class_15;
  spa_audio_info_mp3* tmp_add_class_16;
  spa_audio_info_ra* tmp_add_class_17;
  spa_audio_info_raw* tmp_add_class_18;
  spa_audio_info_vorbis* tmp_add_class_19;
  spa_audio_info_wma* tmp_add_class_20;
  spa_audio_layout_info* tmp_add_class_21;
  spa_buffer* tmp_add_class_22;
  spa_buffer_alloc_info* tmp_add_class_23;
  spa_callbacks* tmp_add_class_24;
  spa_chunk* tmp_add_class_25;
  spa_command* tmp_add_class_26;
  spa_command_body* tmp_add_class_27;
  spa_cpu* tmp_add_class_28;
  spa_cpu_methods* tmp_add_class_29;
  spa_data* tmp_add_class_30;
  spa_dbus* tmp_add_class_31;
  spa_dbus_connection* tmp_add_class_32;
  spa_dbus_connection_events* tmp_add_class_33;
  spa_dbus_methods* tmp_add_class_34;
  spa_debug_context* tmp_add_class_35;
  spa_debug_log_ctx* tmp_add_class_36;
  spa_device* tmp_add_class_37;
  spa_device_events* tmp_add_class_38;
  spa_device_info* tmp_add_class_39;
  spa_device_methods* tmp_add_class_40;
  spa_device_object_info* tmp_add_class_41;
  spa_dict* tmp_add_class_42;
  spa_dict_item* tmp_add_class_43;
  spa_dll* tmp_add_class_44;
  spa_event* tmp_add_class_45;
  spa_event_body* tmp_add_class_46;
  spa_fraction* tmp_add_class_47;
  spa_graph* tmp_add_class_48;
  spa_graph_link* tmp_add_class_49;
  spa_graph_node* tmp_add_class_50;
  spa_graph_node_callbacks* tmp_add_class_51;
  spa_graph_port* tmp_add_class_52;
  spa_graph_state* tmp_add_class_53;
  spa_handle* tmp_add_class_54;
  spa_handle_factory* tmp_add_class_55;
  spa_hook* tmp_add_class_56;
  spa_hook_list* tmp_add_class_57;
  spa_i18n* tmp_add_class_58;
  spa_i18n_methods* tmp_add_class_59;
  spa_interface* tmp_add_class_60;
  spa_interface_info* tmp_add_class_61;
  spa_io_buffers* tmp_add_class_62;
  spa_io_clock* tmp_add_class_63;
  spa_io_latency* tmp_add_class_64;
  spa_io_memory* tmp_add_class_65;
  spa_io_position* tmp_add_class_66;
  spa_io_range* tmp_add_class_67;
  spa_io_rate_match* tmp_add_class_68;
  spa_io_segment* tmp_add_class_69;
  spa_io_segment_bar* tmp_add_class_70;
  spa_io_segment_video* tmp_add_class_71;
  spa_io_sequence* tmp_add_class_72;
  spa_io_video_size* tmp_add_class_73;
  spa_json* tmp_add_class_74;
  spa_latency_info* tmp_add_class_75;
  spa_list* tmp_add_class_76;
  spa_log* tmp_add_class_77;
  spa_log_methods* tmp_add_class_78;
  spa_log_topic* tmp_add_class_79;
  spa_loop* tmp_add_class_80;
  spa_loop_control* tmp_add_class_81;
  spa_loop_control_hooks* tmp_add_class_82;
  spa_loop_control_methods* tmp_add_class_83;
  spa_loop_methods* tmp_add_class_84;
  spa_loop_utils* tmp_add_class_85;
  spa_loop_utils_methods* tmp_add_class_86;
  spa_meta* tmp_add_class_87;
  spa_meta_bitmap* tmp_add_class_88;
  spa_meta_busy* tmp_add_class_89;
  spa_meta_control* tmp_add_class_90;
  spa_meta_cursor* tmp_add_class_91;
  spa_meta_header* tmp_add_class_92;
  spa_meta_region* tmp_add_class_93;
  spa_meta_videotransform* tmp_add_class_94;
  spa_node* tmp_add_class_95;
  spa_node_callbacks* tmp_add_class_96;
  spa_node_events* tmp_add_class_97;
  spa_node_info* tmp_add_class_98;
  spa_node_methods* tmp_add_class_99;
  spa_param_info* tmp_add_class_100;
  spa_plugin_loader* tmp_add_class_101;
  spa_plugin_loader_methods* tmp_add_class_102;
  spa_pod* tmp_add_class_103;
  spa_pod_array* tmp_add_class_104;
  spa_pod_array_body* tmp_add_class_105;
  spa_pod_bitmap* tmp_add_class_106;
  spa_pod_bool* tmp_add_class_107;
  spa_pod_builder* tmp_add_class_108;
  spa_pod_builder_callbacks* tmp_add_class_109;
  spa_pod_builder_state* tmp_add_class_110;
  spa_pod_bytes* tmp_add_class_111;
  spa_pod_choice* tmp_add_class_112;
  spa_pod_choice_body* tmp_add_class_113;
  spa_pod_control* tmp_add_class_114;
  spa_pod_double* tmp_add_class_115;
  spa_pod_dynamic_builder* tmp_add_class_116;
  spa_pod_fd* tmp_add_class_117;
  spa_pod_float* tmp_add_class_118;
  spa_pod_fraction* tmp_add_class_119;
  spa_pod_frame* tmp_add_class_120;
  spa_pod_id* tmp_add_class_121;
  spa_pod_int* tmp_add_class_122;
  spa_pod_long* tmp_add_class_123;
  spa_pod_object* tmp_add_class_124;
  spa_pod_object_body* tmp_add_class_125;
  spa_pod_parser* tmp_add_class_126;
  spa_pod_parser_state* tmp_add_class_127;
  spa_pod_pointer* tmp_add_class_128;
  spa_pod_pointer_body* tmp_add_class_129;
  spa_pod_prop* tmp_add_class_130;
  spa_pod_rectangle* tmp_add_class_131;
  spa_pod_sequence* tmp_add_class_132;
  spa_pod_sequence_body* tmp_add_class_133;
  spa_pod_string* tmp_add_class_134;
  spa_pod_struct* tmp_add_class_135;
  spa_point* tmp_add_class_136;
  spa_poll_event* tmp_add_class_137;
  spa_port_info* tmp_add_class_138;
  spa_process_latency_info* tmp_add_class_139;
  spa_rectangle* tmp_add_class_140;
  spa_region* tmp_add_class_141;
  spa_result_device_params* tmp_add_class_142;
  spa_result_device_params_data* tmp_add_class_143;
  spa_result_node_error* tmp_add_class_144;
  spa_result_node_params* tmp_add_class_145;
  spa_result_node_params_data* tmp_add_class_146;
  spa_ringbuffer* tmp_add_class_147;
  spa_source* tmp_add_class_148;
  spa_strbuf* tmp_add_class_149;
  spa_support* tmp_add_class_150;
  spa_system* tmp_add_class_151;
  spa_system_methods* tmp_add_class_152;
  spa_thread_utils* tmp_add_class_153;
  spa_thread_utils_methods* tmp_add_class_154;
  spa_type_info* tmp_add_class_155;
  spa_video_colorimetry* tmp_add_class_156;
  spa_video_info* tmp_add_class_157;
  spa_video_info_dsp* tmp_add_class_158;
  spa_video_info_h264* tmp_add_class_159;
  spa_video_info_mjpg* tmp_add_class_160;
  spa_video_info_raw* tmp_add_class_161;
  ucontext_t* tmp_add_class_162;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/vl5_2I0z77/dump1.h"  -I/usr/include/spa-0.2