Temporary header file '/tmp/8tR3rrjOPD/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/QHttpEngine/qfilesystemhandler.h"
  #include "/usr/include/QHttpEngine/qhttpengine.h"
  #include "/usr/include/QHttpEngine/qhttphandler.h"
  #include "/usr/include/QHttpEngine/qhttpparser.h"
  #include "/usr/include/QHttpEngine/qhttpserver.h"
  #include "/usr/include/QHttpEngine/qhttpsocket.h"
  #include "/usr/include/QHttpEngine/qibytearray.h"
  #include "/usr/include/QHttpEngine/qiodevicecopier.h"
  #include "/usr/include/QHttpEngine/qlocalfile.h"
  #include "/usr/include/QHttpEngine/qobjecthandler.h"

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/8tR3rrjOPD/dump1.h"

In file included from /usr/include/QHttpEngine/qfilesystemhandler.h:26,
                 from /tmp/8tR3rrjOPD/dump1.h:12:
/usr/include/QHttpEngine/qhttpengine.h:26:10: fatal error: QtCore/qglobal.h: No such file or directory
   26 | #include <QtCore/qglobal.h>
      |          ^~~~~~~~~~~~~~~~~~
compilation terminated.