Temporary header file '/tmp/15OPhWywyt/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/libddenetworkutils/connectivitychecker.h" #include "/usr/include/libddenetworkutils/networkdevice.h" #include "/usr/include/libddenetworkutils/networkmodel.h" #include "/usr/include/libddenetworkutils/networkworker.h" #include "/usr/include/libddenetworkutils/wireddevice.h" #include "/usr/include/libddenetworkutils/wirelessdevice.h" The GCC parameters: gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/15OPhWywyt/dump1.h" In file included from /tmp/15OPhWywyt/dump1.h:12: /usr/include/libddenetworkutils/connectivitychecker.h:25:10: fatal error: QObject: No such file or directory 25 | #include | ^~~~~~~~~ compilation terminated.