Temporary header file '/tmp/BzU11Y5ZMf/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 #define getaddrinfo_a(a,b,c,d) // add includes #include "/usr/include/IL/devil_cpp_wrapper.hpp" #include "/usr/include/IL/il.h" #include "/usr/include/IL/ilu.h" #include "/usr/include/IL/ilu_region.h" #include "/usr/include/IL/ilut.h" // add classes Edge* tmp_add_class_0; ILinfo* tmp_add_class_1; ILpointf* tmp_add_class_2; ILpointi* tmp_add_class_3; _G_fpos64_t* tmp_add_class_4; _G_fpos_t* tmp_add_class_5; _IO_cookie_io_functions_t* tmp_add_class_6; ilError* tmp_add_class_7; ilFilters* tmp_add_class_8; ilImage* tmp_add_class_9; ilState* tmp_add_class_10; ilValidate* tmp_add_class_11; The GCC parameters: gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/BzU11Y5ZMf/dump1.h"