Temporary header file '/tmp/fPtRAS5n42/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/odb/boost/date-time/exceptions.hxx"
  #include "/usr/include/odb/boost/date-time/mssql/gregorian-mapping.hxx"
  #include "/usr/include/odb/boost/date-time/mssql/gregorian-traits.hxx"
  #include "/usr/include/odb/boost/date-time/mssql/posix-time-mapping.hxx"
  #include "/usr/include/odb/boost/date-time/mssql/posix-time-traits.hxx"
  #include "/usr/include/odb/boost/date-time/mysql/gregorian-mapping.hxx"
  #include "/usr/include/odb/boost/date-time/mysql/gregorian-traits.hxx"
  #include "/usr/include/odb/boost/date-time/mysql/posix-time-mapping.hxx"
  #include "/usr/include/odb/boost/date-time/mysql/posix-time-traits.hxx"
  #include "/usr/include/odb/boost/date-time/oracle/gregorian-mapping.hxx"
  #include "/usr/include/odb/boost/date-time/oracle/gregorian-traits.hxx"
  #include "/usr/include/odb/boost/date-time/oracle/posix-time-mapping.hxx"
  #include "/usr/include/odb/boost/date-time/oracle/posix-time-traits.hxx"
  #include "/usr/include/odb/boost/date-time/pgsql/gregorian-mapping.hxx"
  #include "/usr/include/odb/boost/date-time/pgsql/gregorian-traits.hxx"
  #include "/usr/include/odb/boost/date-time/pgsql/posix-time-mapping.hxx"
  #include "/usr/include/odb/boost/date-time/pgsql/posix-time-traits.hxx"
  #include "/usr/include/odb/boost/date-time/sqlite/gregorian-mapping.hxx"
  #include "/usr/include/odb/boost/date-time/sqlite/gregorian-traits.hxx"
  #include "/usr/include/odb/boost/date-time/sqlite/posix-time-mapping.hxx"
  #include "/usr/include/odb/boost/date-time/sqlite/posix-time-traits.hxx"
  #include "/usr/include/odb/boost/details/config.h"
  #include "/usr/include/odb/boost/details/config.hxx"
  #include "/usr/include/odb/boost/details/export.hxx"
  #include "/usr/include/odb/boost/exception.hxx"
  #include "/usr/include/odb/boost/lazy-ptr.hxx"
  #include "/usr/include/odb/boost/multi-index/container-traits.hxx"
  #include "/usr/include/odb/boost/optional/wrapper-traits.hxx"
  #include "/usr/include/odb/boost/smart-ptr/lazy-pointer-traits.hxx"
  #include "/usr/include/odb/boost/smart-ptr/lazy-ptr.hxx"
  #include "/usr/include/odb/boost/smart-ptr/pointer-traits.hxx"
  #include "/usr/include/odb/boost/smart-ptr/wrapper-traits.hxx"
  #include "/usr/include/odb/boost/unordered/container-traits.hxx"
  #include "/usr/include/odb/boost/uuid/mssql/uuid-mapping.hxx"
  #include "/usr/include/odb/boost/uuid/mssql/uuid-traits.hxx"
  #include "/usr/include/odb/boost/uuid/mysql/uuid-mapping.hxx"
  #include "/usr/include/odb/boost/uuid/mysql/uuid-traits.hxx"
  #include "/usr/include/odb/boost/uuid/oracle/uuid-mapping.hxx"
  #include "/usr/include/odb/boost/uuid/oracle/uuid-traits.hxx"
  #include "/usr/include/odb/boost/uuid/pgsql/uuid-mapping.hxx"
  #include "/usr/include/odb/boost/uuid/pgsql/uuid-traits.hxx"
  #include "/usr/include/odb/boost/uuid/sqlite/uuid-mapping.hxx"
  #include "/usr/include/odb/boost/uuid/sqlite/uuid-traits.hxx"
  #include "/usr/include/odb/boost/version.hxx"

  // add namespaces
  namespace odb{typedef int tmp_add_type_1;}
  odb::tmp_add_type_1 tmp_add_func_1(){return 0;};
  namespace odb{namespace boost{typedef int tmp_add_type_2;}}
  odb::boost::tmp_add_type_2 tmp_add_func_2(){return 0;};
  namespace odb{namespace common{typedef int tmp_add_type_3;}}
  odb::common::tmp_add_type_3 tmp_add_func_3(){return 0;};
  namespace odb{namespace core{typedef int tmp_add_type_4;}}
  odb::core::tmp_add_type_4 tmp_add_func_4(){return 0;};
  namespace odb{namespace details{typedef int tmp_add_type_5;}}
  odb::details::tmp_add_type_5 tmp_add_func_5(){return 0;};
  namespace odb{namespace details{namespace bits{typedef int tmp_add_type_6;}}}
  odb::details::bits::tmp_add_type_6 tmp_add_func_6(){return 0;};
  namespace odb{namespace details{namespace meta{typedef int tmp_add_type_7;}}}
  odb::details::meta::tmp_add_type_7 tmp_add_func_7(){return 0;};
  namespace odb{namespace boost{namespace date_time{typedef int tmp_add_type_8;}}}
  odb::boost::date_time::tmp_add_type_8 tmp_add_func_8(){return 0;};

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/fPtRAS5n42/dump1.h"

In file included from /tmp/fPtRAS5n42/dump1.h:13:
/usr/include/odb/boost/date-time/mssql/gregorian-mapping.hxx:8:10: fatal error: boost/date_time/gregorian/gregorian_types.hpp: No such file or directory
    8 | #include <boost/date_time/gregorian/gregorian_types.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.