On Jul 19, 2004, at 8:32 AM, Ken Williams wrote:
'dbi_support' => {
description => "Can read & write databases",
requires => q{
DBI >= 1.0 ,
(DBD::mysql >= 1.5 || DBD::Postgres)
},
},
In other words, when the value of "requires" or one of the other dependency items has a string value instead of a hash value, it means that we're using the mini-language to express those dependencies. It can also be used at the top level of the distribution, not associated with any sub-feature.
What if I need
( (DBD::mysql && DateTime::Format::mysql) || (DBD::Pg && DateTime::Format::Pg) )
? And how would I specify required version numbers for those modules?
Then, if we need macros (which is I think probably a better term than "virtual packages") we can add them in, but I think we can probably get by for a long time (perhaps eternally) without them.
Yes, but I do want the installer to report that one of the required sets of packages for a feature is not installed. That's do-able, yes?
Regards,
David
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