Temporary header file '/tmp/lV48oXc2LM/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/libite/conio.h" #include "/usr/include/libite/lite.h" #include "/usr/include/libite/queue.h" #include "/usr/include/libite/strdupa.h" #include "/usr/include/libite/strlite.h" #include "/usr/include/libite/strndupa.h" #include "/usr/include/libite/strnlen.h" #include "/usr/include/libite/tree.h" // add classes _G_fpos64_t* tmp_add_class_0; _G_fpos_t* tmp_add_class_1; _IO_cookie_io_functions_t* tmp_add_class_2; f_owner_ex* tmp_add_class_3; file_handle* tmp_add_class_4; flock64* tmp_add_class_5; iovec* tmp_add_class_6; itimerval* tmp_add_class_7; statx_timestamp* tmp_add_class_8; ucontext_t* tmp_add_class_9; The GCC parameters: gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/lV48oXc2LM/dump1.h" In file included from /tmp/lV48oXc2LM/dump1.h:12: /usr/include/libite/conio.h: In function ‘void printhdr(FILE*, const char*, int, int)’: /usr/include/libite/conio.h:119:37: error: ‘strlen’ was not declared in this scope 119 | SCREEN_WIDTH - (int)strlen(line), ""); | ^~~~~~ /usr/include/libite/conio.h:36:1: note: ‘strlen’ is defined in header ‘’; did you forget to ‘#include ’? 35 | #include +++ |+#include 36 |