OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
OPTION_DEFAULT_ON([modules],[compile with dynamic modules support])
OPTION_DEFAULT_ON([threads],[don't compile with elisp threading support])
-OPTION_DEFAULT_ON([nativecomp],[don't compile with emacs lisp native compiler support])
+OPTION_DEFAULT_OFF([nativecomp],[don't compile with emacs lisp native compiler support])
AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
[use a file notification library (LIB one of: yes, inotify, kqueue, gfile, w32, no)])],