Temporary header file '/tmp/5CmESuU562/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/cgm/cgm.h"
  #include "/usr/include/cgm/cgm_implem.h"
  #include "/usr/include/udport/histogram.h"
  #include "/usr/include/udport/inetutil.h"
  #include "/usr/include/udport/linklist.h"
  #include "/usr/include/udport/pathname.h"
  #include "/usr/include/udport/search-node.h"
  #include "/usr/include/udport/strbuf.h"
  #include "/usr/include/udport/strvec.h"
  #include "/usr/include/udport/udalloc.h"
  #include "/usr/include/udport/uderrmsg.h"
  #include "/usr/include/udport/udfifo.h"
  #include "/usr/include/udport/udfifo_err.h"
  #include "/usr/include/udport/udqueue.h"
  #include "/usr/include/udport/udqueue_err.h"
  #include "/usr/include/udport/ulog.h"
  #include "/usr/include/udposix.h"
  #include "/usr/include/xgks/event.h"
  #include "/usr/include/xgks/f_errno.h"
  #include "/usr/include/xgks/fortmac.h"
  #include "/usr/include/xgks/fortxgks.h"
  #include "/usr/include/xgks/gks_defines.h"
  #include "/usr/include/xgks/gks_errors.h"
  #include "/usr/include/xgks/gks_implem.h"
  #include "/usr/include/xgks/gkserrmsg.h"
  #include "/usr/include/xgks/gkslist.h"
  #include "/usr/include/xgks/gksm.h"
  #include "/usr/include/xgks/gksm_implem.h"
  #include "/usr/include/xgks/input.h"
  #include "/usr/include/xgks/metafile.h"
  #include "/usr/include/xgks/polylines.h"
  #include "/usr/include/xgks/polymarkers.h"
  #include "/usr/include/xgks/primitive.h"
  #include "/usr/include/xgks/text.h"
  #include "/usr/include/xgks/wdt.h"
  #include "/usr/include/xgks/wslist.h"
  #include "/usr/include/xgks.h"

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/5CmESuU562/dump1.h"  -I/usr/include/udport

In file included from /tmp/5CmESuU562/dump1.h:25:
/usr/include/udport/udqueue.h:11:10: fatal error: uthread.h: No such file or directory
   11 | #include <uthread.h>
      |          ^~~~~~~~~~~
compilation terminated.