text: #ifndef EXTCONF_H
  #define EXTCONF_H
  #define HAVE_PQCONNECTIONUSEDPASSWORD 1
  #define HAVE_PQISTHREADSAFE 1
  #define HAVE_PQPREPARE 1
  #define HAVE_PQEXECPARAMS 1
  #define HAVE_PQESCAPESTRING 1
  #define HAVE_PQESCAPESTRINGCONN 1
  #define HAVE_PQESCAPELITERAL 1
  #define HAVE_PQESCAPEIDENTIFIER 1
  #define HAVE_PQGETCANCEL 1
  #define HAVE_LO_CREATE 1
  #define HAVE_PG_ENCODING_TO_CHAR 1
  #define HAVE_PG_CHAR_TO_ENCODING 1
  #define HAVE_PQSETCLIENTENCODING 1
  #define HAVE_PQLIBVERSION 1
  #define HAVE_PQPING 1
  #define HAVE_PQSETSINGLEROWMODE 1
  #define HAVE_PQCONNINFO 1
  #define HAVE_RB_ENCDB_ALIAS 1
  #define HAVE_RB_THREAD_CALL_WITHOUT_GVL 1
  #define HAVE_RB_THREAD_CALL_WITH_GVL 1
  #define HAVE_RB_THREAD_FD_SELECT 1
  #define HAVE_RB_STR_MODIFY_EXPAND 1
  #define HAVE_RB_HASH_DUP 1
  #define HAVE_CONST_PGRES_COPY_BOTH 1
  #define HAVE_CONST_PGRES_SINGLE_TUPLE 1
  #define HAVE_CONST_PG_DIAG_TABLE_NAME 1
  #define HAVE_STRUCT_PGNOTIFY_EXTRA 1
  #define HAVE_ST_EXTRA 1
  #define HAVE_ST_NOTIFY_EXTRA 1
  #define HAVE_UNISTD_H 1
  #define HAVE_INTTYPES_H 1
  #define HAVE_RUBY_ST_H 1
  #define HAVE_VARIABLE_LENGTH_ARRAYS 1
  #endif
  