AC_DEFINE(READER_EXTENSIONS, 1,
[Define if you want support for debugging Scheme programs.])
+dnl These two used to be optional, too, but now they are always
+dnl defined.
+AC_DEFINE(USE_THREADS, 1, [Deprecated, always defined.])
+AC_DEFINE(GUILE_ISELECT, 1, [Deprecated, always defined.])
+
AC_ARG_ENABLE(elisp,
[ --disable-elisp omit Emacs Lisp support],,
enable_elisp=yes)
;;
esac
-## We always provide the thread API now and thus, USE_THREADS is
-## always defined and threads.o is always included.
-
-AC_DEFINE(USE_THREADS, 1, [Define if providing the thread API.])
-AC_LIBOBJ([threads])
-
-## Also, we always provide scm_internal_select.
-
-AC_DEFINE(GUILE_ISELECT, 1, [Define to implement scm_internal_select.])
-
case "${THREAD_PACKAGE}" in
"QT" )
AC_DEFINE(USE_COOP_THREADS, 1,