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El sáb, 16-06-2012 a las 19:50 +0200, Peter Stuge escribió: |
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> Pacho Ramos wrote: |
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> > Also hit this problem today while trying to bump bluez and noticed we |
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> > are using elog messages to tell people to manually install |
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> > net-dialup/ppp if they want ppp working with bluez. |
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> > |
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> > I am unsure about the disadvantages of simply using, for example, |
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> > "ppp" USE flag to do that. |
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> |
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> I guess the point is that it is not really a dependency. bluez works |
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> fine without ppp, it does not need to be rebuilt to use ppp later, |
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> and ppp is only needed when user wants to use both together. |
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> |
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|
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No, it's a dependency only when you want ppp support working, if you |
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won't use it, you won't simply notice it won't work due missing |
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dependency |
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|
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> I think it fits to emerge them separately. It seems reasonable not to |
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> USE for other packages which are merely possible to combine, but |
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> which don't make for a strict dependency. |
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> |
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> |
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> > 1. We rely in people reading the message to get package working ok. |
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> |
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> I dunno if a USE flag is much better? Both require the user to inform |
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> herself in the same way ("when do I need USE=ppp for bluez" vs. "when |
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> do I need to emerge ppp") and take action in the same context (set |
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> USE=ppp for bluez vs. emerge ppp after bluez).. |
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> |
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> |
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|
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It's much easier to widely set "ppp" USE in make.conf to be sure ppp |
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support works for all things in my system that needing to rebuild |
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affected package to see elog message telling me that I need to manually |
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emerge some other package |
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|
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> > 2. If user emerges ppp, it will be recorded in world file and, then, if |
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> > in the future he removes bluez, emerge --depclean want clean no longer |
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> > needed ppp and then, people end up with a lot of packages they needed |
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> > to manually emerge some year but that they problem no longer need at |
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> > all. |
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> |
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> Disk is pretty cheap. If the package is never being used and the user |
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> doesn't care to remove it then the package doesn't do any harm IMO, |
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> and as mentioned I think it's difficult for the package manager to |
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> know what the user has installed on the system but no longer needs.. |
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> |
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> |
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> //Peter |
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|
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What kind of argument is "disk is pretty cheap". I still administrate a |
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laptop with a 250GB of disk space, and that space cannot be as large if |
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you have a lot of files at home. Also, you are missing that having |
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unneeded packages in world file will also cause them to be updated on |
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every system updated, with the time it takes for compile. |