Temporary header file '/tmp/0c3_N4qW4_/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/synthesis/SDK_support.h"
  #include "/usr/include/synthesis/SDK_util.h"
  #include "/usr/include/synthesis/UI_util.h"
  #include "/usr/include/synthesis/admindata.h"
  #include "/usr/include/synthesis/blobs.h"
  #include "/usr/include/synthesis/dataconversion.h"
  #include "/usr/include/synthesis/dbitem.h"
  #include "/usr/include/synthesis/engine_defs.h"
  #include "/usr/include/synthesis/enginemodulebase.h"
  #include "/usr/include/synthesis/enginemodulebridge.h"
  #include "/usr/include/synthesis/generic_types.h"
  #include "/usr/include/synthesis/lineartime.h"
  #include "/usr/include/synthesis/prefix_file.h"
  #include "/usr/include/synthesis/san.h"
  #include "/usr/include/synthesis/stringutil.h"
  #include "/usr/include/synthesis/syerror.h"
  #include "/usr/include/synthesis/sync_dbapi.h"
  #include "/usr/include/synthesis/sync_dbapidef.h"
  #include "/usr/include/synthesis/sync_declarations.h"
  #include "/usr/include/synthesis/sync_include.h"
  #include "/usr/include/synthesis/sync_uiapi.h"
  #include "/usr/include/synthesis/syncexception.h"
  #include "/usr/include/synthesis/sysync_b64.h"
  #include "/usr/include/synthesis/sysync_md5.h"
  #include "/usr/include/synthesis/sysync_noncopyable.h"
  #include "/usr/include/synthesis/sysync_utils.h"
  #include "/usr/include/synthesis/target_options.h"
  #include "/usr/include/synthesis/timeutil.h"

  // add namespaces
  namespace sysync{typedef int tmp_add_type_1;}
  sysync::tmp_add_type_1 tmp_add_func_1(){return 0;};

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/0c3_N4qW4_/dump1.h"

In file included from /tmp/0c3_N4qW4_/dump1.h:23:
/usr/include/synthesis/lineartime.h:65:10: fatal error: synthesis/platform_time.h: No such file or directory
   65 | #include "synthesis/platform_time.h"
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.