Temporary header file '/tmp/oaoxs77wOV/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/tinyframe/tinyframe.h" #include "/usr/include/tinyframe/version.h" // add classes tinyframe* tmp_add_class_0; tinyframe_control* tmp_add_class_1; tinyframe_control_field* tmp_add_class_2; tinyframe_reader* tmp_add_class_3; tinyframe_writer* tmp_add_class_4; The GCC parameters: gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/oaoxs77wOV/dump1.h" /tmp/oaoxs77wOV/dump1.h:17:3: error: ‘tinyframe_control’ does not name a type 17 | tinyframe_control* tmp_add_class_1; | ^~~~~~~~~~~~~~~~~ /tmp/oaoxs77wOV/dump1.h:18:3: error: ‘tinyframe_control_field’ does not name a type 18 | tinyframe_control_field* tmp_add_class_2; | ^~~~~~~~~~~~~~~~~~~~~~~