Temporary header file '/tmp/AEO3RuePYj/dump1.h' with the following content will be compiled to create GCC translation unit dump: // add defines #define __STDC_VERSION__ 201710L #define _GXX_NULLPTR_T #define CLUTTER_ENABLE_COMPOSITOR_API 1 #define _REGEX_NELTS(n) #define _Atomic #define PACKED // add includes #include "/usr/include/rrd.h" #include "/usr/include/rrd_client.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; rrd_blob_t* tmp_add_class_3; rrd_context* tmp_add_class_4; rrd_file_t* tmp_add_class_5; rrd_info_t* tmp_add_class_6; rrd_infoval* tmp_add_class_7; rrd_simple_file_t* tmp_add_class_8; rrd_time_value* tmp_add_class_9; rrdc_stats_s* tmp_add_class_10; The GCC parameters: gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/AEO3RuePYj/dump1.h"