Temporary header file '/tmp/ngV4X3nssO/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/funtools/NaN.h"
  #include "/usr/include/funtools/column.h"
  #include "/usr/include/funtools/conf.h"
  #include "/usr/include/funtools/dl.h"
  #include "/usr/include/funtools/file.h"
  #include "/usr/include/funtools/filter.h"
  #include "/usr/include/funtools/find.h"
  #include "/usr/include/funtools/fitsy.h"
  #include "/usr/include/funtools/funtools.h"
  #include "/usr/include/funtools/funtoolsP.h"
  #include "/usr/include/funtools/gio.h"
  #include "/usr/include/funtools/idx.h"
  #include "/usr/include/funtools/longlong.h"
  #include "/usr/include/funtools/macro.h"
  #include "/usr/include/funtools/mainlib.h"
  #include "/usr/include/funtools/mkrtemp.h"
  #include "/usr/include/funtools/parse.h"
  #include "/usr/include/funtools/prsetup.h"
  #include "/usr/include/funtools/strtod.h"
  #include "/usr/include/funtools/swap.h"
  #include "/usr/include/funtools/tclmainlib.h"
  #include "/usr/include/funtools/tl.h"
  #include "/usr/include/funtools/winprocess.h"
  #include "/usr/include/funtools/word.h"
  #include "/usr/include/funtools/xalloc.h"
  #include "/usr/include/funtools/xfile.h"
  #include "/usr/include/funtools/xfileio.h"
  #include "/usr/include/funtools/xlaunch.h"
  #include "/usr/include/funtools/xport.h"
  #include "/usr/include/funtools/zprocess.h"

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/ngV4X3nssO/dump1.h"

In file included from /tmp/ngV4X3nssO/dump1.h:32:
/usr/include/funtools/tclmainlib.h:6:10: fatal error: tcl.h: No such file or directory
    6 | #include <tcl.h>
      |          ^~~~~~~
compilation terminated.