Avoiding software duplication

[Cág <ca6c%bitmessage.ch@localhost>]

Hi,

Most major Linux distributions include Python in the base installation.
The EL family, for example, depends on it, since YUM is written in it.
OpenSSL is pretty much everywhere, too. There are other examples for
sure.

For such software, can we avoid using the pkgsrc versions, and use those
provided by the distribution?

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caóc