Temporary header file '/tmp/lNM_3ZL7ku/dump1.h' with the following content will be compiled to create GCC translation unit dump: // add defines #define __STDC_VERSION__ 201710L #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/mrss.h" // add classes CURLMsg* tmp_add_class_0; _G_fpos64_t* tmp_add_class_1; _G_fpos_t* tmp_add_class_2; _IO_cookie_io_functions_t* tmp_add_class_3; cmsghdr* tmp_add_class_4; curl_blob* tmp_add_class_5; curl_certinfo* tmp_add_class_6; curl_easyoption* tmp_add_class_7; curl_fileinfo* tmp_add_class_8; curl_forms* tmp_add_class_9; curl_header* tmp_add_class_10; curl_hstsentry* tmp_add_class_11; curl_httppost* tmp_add_class_12; curl_index* tmp_add_class_13; curl_khkey* tmp_add_class_14; curl_slist* tmp_add_class_15; curl_sockaddr* tmp_add_class_16; curl_ssl_backend* tmp_add_class_17; curl_tlssessioninfo* tmp_add_class_18; curl_version_info_data* tmp_add_class_19; curl_waitfd* tmp_add_class_20; curl_ws_frame* tmp_add_class_21; iovec* tmp_add_class_22; itimerval* tmp_add_class_23; linger* tmp_add_class_24; mmsghdr* tmp_add_class_25; mrss_attribute_t* tmp_add_class_26; mrss_category_t* tmp_add_class_27; mrss_day_t* tmp_add_class_28; mrss_hour_t* tmp_add_class_29; mrss_item_t* tmp_add_class_30; mrss_options_t* tmp_add_class_31; mrss_t* tmp_add_class_32; mrss_tag_t* tmp_add_class_33; msghdr* tmp_add_class_34; osockaddr* tmp_add_class_35; sockaddr* tmp_add_class_36; sockaddr_storage* tmp_add_class_37; ucred* tmp_add_class_38; The GCC parameters: gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/lNM_3ZL7ku/dump1.h"