Temporary header file '/tmp/m6gZSyx_zk/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/gambit-not409003.h" #include "/usr/include/gambit.h" // add classes ucontext_t* tmp_add_class_0; The GCC parameters: gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/m6gZSyx_zk/dump1.h" In file included from /tmp/m6gZSyx_zk/dump1.h:12: /usr/include/gambit-not409003.h:1:2: error: #error "The version indicated in ___VERSION is not supported by gambit.h" 1 | #error "The version indicated in ___VERSION is not supported by gambit.h" | ^~~~~ /usr/include/gambit-not409003.h:2:2: error: #error "You are probably compiling C code generated by a Gambit compiler earlier or later than v4.9.3" 2 | #error "You are probably compiling C code generated by a Gambit compiler earlier or later than v4.9.3" | ^~~~~ /usr/include/gambit-not409003.h:3:2: error: #error "___VERSION will be set to 409003 to reduce other errors" 3 | #error "___VERSION will be set to 409003 to reduce other errors" | ^~~~~