Temporary header file '/tmp/fpIIaM7tP0/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/comedi.h"
  #include "/usr/include/comedi_errno.h"
  #include "/usr/include/comedi_iostream.hpp"
  #include "/usr/include/comedilib.h"
  #include "/usr/include/comedilib.hpp"
  #include "/usr/include/comedilib_scxi.h"
  #include "/usr/include/comedilib_version.h"

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/fpIIaM7tP0/dump1.h"

In file included from /usr/include/comedi_iostream.hpp:27,
                 from /tmp/fpIIaM7tP0/dump1.h:14:
/usr/include/comedilib.hpp:23:10: fatal error: boost/shared_ptr.hpp: No such file or directory
   23 | #include <boost/shared_ptr.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~~~
compilation terminated.