Temporary header file '/tmp/vTL3VGI7yz/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/lib/gcc/arm-linux-gnueabihf/9/include/ISO_Fortran_binding.h" // add classes CFI_cdesc_t* tmp_add_class_0; CFI_dim_t* tmp_add_class_1; The GCC parameters: gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/vTL3VGI7yz/dump1.h" -I/usr/lib/gcc/arm-linux-gnueabihf/9/include