Temporary header file '/tmp/CF_XWurULk/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/jerasure/cauchy.h" #include "/usr/include/jerasure/galois.h" #include "/usr/include/jerasure/liberation.h" #include "/usr/include/jerasure/reed_sol.h" #include "/usr/include/jerasure.h" // add classes gf* tmp_add_class_0; gf_func_a_b* tmp_add_class_1; The GCC parameters: gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/CF_XWurULk/dump1.h" -I/usr/include/jerasure