names="$(for i in $writers; do printf \"$i\",' ' ; done)"
AC_DEFINE_UNQUOTED(WRITER_NAMES, $names, supported writer names)
inits="$(for i in $writers; do printf 'extern void '$i'_write_init(struct writer *); '; done)"
names="$(for i in $writers; do printf \"$i\",' ' ; done)"
AC_DEFINE_UNQUOTED(WRITER_NAMES, $names, supported writer names)
inits="$(for i in $writers; do printf 'extern void '$i'_write_init(struct writer *); '; done)"