AC_DEFINE_UNQUOTED(DECLARE_WRITER_INITS, $inits, init functions of the supported writers)
array="$(for i in $writers; do printf '{.init = '$i'_write_init},'; done)"
AC_DEFINE_UNQUOTED(WRITER_ARRAY, $array, array of supported writers)
AC_DEFINE_UNQUOTED(DECLARE_WRITER_INITS, $inits, init functions of the supported writers)
array="$(for i in $writers; do printf '{.init = '$i'_write_init},'; done)"
AC_DEFINE_UNQUOTED(WRITER_ARRAY, $array, array of supported writers)