conditional dependency question

Mike Brown mike at
Mon Sep 6 13:59:55 PDT 2004

Hi all,

I would like a port I am working on to ensure that if a certain
other port/package is installed, that it be a particular version
or higher. But I do not want to require the other package as a
dependency; I just want to make sure that *if* it is installed,
it is the right version.

I couldn't discern a Makefile directive that would do this. If
someone could point me in the right direction / show me an example
of a port that does this kind of checking, please reply on- or


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