Temporary header file '/tmp/SczSErwLgH/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/ftdi.h" // add classes ftdi_context* tmp_add_class_0; ftdi_device_list* tmp_add_class_1; ftdi_eeprom* tmp_add_class_2; ucontext_t* tmp_add_class_3; usb_bus* tmp_add_class_4; usb_config_descriptor* tmp_add_class_5; usb_ctrl_setup* tmp_add_class_6; usb_descriptor_header* tmp_add_class_7; usb_device_descriptor* tmp_add_class_8; usb_endpoint_descriptor* tmp_add_class_9; usb_hid_descriptor* tmp_add_class_10; usb_interface* tmp_add_class_11; usb_interface_descriptor* tmp_add_class_12; usb_string_descriptor* tmp_add_class_13; The GCC parameters: gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/SczSErwLgH/dump1.h"