-AC_ARG_WITH([dkr-index-url],
- [AS_HELP_STRING([--dkr-index-url=URL], [Specify the default index URL to use for image downloads])],
- [DEFAULT_DKR_INDEX_URL="\"$withval\""],
- [DEFAULT_DKR_INDEX_URL="NULL"])
-
-AC_DEFINE_UNQUOTED(DEFAULT_DKR_INDEX_URL, [$DEFAULT_DKR_INDEX_URL], [Default index URL to use for image downloads])
-AC_SUBST(DEFAULT_DKR_INDEX_URL)
-