Temporary header file '/tmp/sL7BESmTlB/dump1.h' with the following content will be compiled to create GCC translation unit dump:

  // add defines
  #define __STDC_VERSION__ 201710L
#define _FILE_OFFSET_BITS 64
#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/iodbc/iodbcext.h"
  #include "/usr/include/iodbc/iodbcinst.h"
  #include "/usr/include/iodbc/iodbcunix.h"
  #include "/usr/include/iodbc/isql.h"
  #include "/usr/include/iodbc/isqlext.h"
  #include "/usr/include/iodbc/isqltypes.h"
  #include "/usr/include/iodbc/odbcinst.h"
  #include "/usr/include/iodbc/sql.h"
  #include "/usr/include/iodbc/sqlext.h"
  #include "/usr/include/iodbc/sqltypes.h"
  #include "/usr/include/iodbc/sqlucode.h"

  // add classes
  tagDATE_STRUCT* tmp_add_class_0;
  tagSQLGUID* tmp_add_class_1;
  tagSQL_DAY_SECOND* tmp_add_class_2;
  tagSQL_INTERVAL_STRUCT* tmp_add_class_3;
  tagSQL_NUMERIC_STRUCT* tmp_add_class_4;
  tagSQL_YEAR_MONTH* tmp_add_class_5;
  tagTIMESTAMP_STRUCT* tmp_add_class_6;
  tagTIME_STRUCT* tmp_add_class_7;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/sL7BESmTlB/dump1.h"  -I/usr/include/iodbc