Newbie question - package versions in FreeBSD 5.1

[Darren Phillips]

Sorry for the dumb-sounding question - is having multiple package versions installed 
in 5.1 going to burn me ?

I (think I) understand the install process but not the consequences. How do all the 
versions coexist ?
eg. install another linux base package.

Many thanks

DP
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Re: Newbie question - package versions in FreeBSD 5.1

[Matthew Seaman]

On Wed, Oct 01, 2003 at 01:53:35PM +0100, Darren Phillips wrote:
 Sorry for the dumb-sounding question - is having multiple package versions installed 
 in 5.1 going to burn me ?
 
 I (think I) understand the install process but not the consequences. How do all the 
 versions coexist ?
 eg. install another linux base package.

Most of the time, this appears to work, but it's not at all desirable.
Generally, if you install a more recent version of a package you've
already installed, then the files from the newer package just
overwrite the files from the older one.

According to pkg_info(1) you'll have both packages installed, but
that's not really the case.  The best way to sort out this sort of
problem is to pkg_delete both versions of the port, and then
re-install the version that you actually want.

In order to avoid getting into this situation in the first place, use
portupgrade(1) and friends to manage your installed ports.

While that's a good way of handling multiple installations of the same
port (even if they are different revisions), it doesn't really help
when you have two different ports that both lay claim to the same
files.  While port maintainers go to great lengths to make their ports
co-exist happily with any other ports, sometimes it just isn't
possible.  There is a (relatively) new 'CONFLICTS' variable in the
port Makefiles which should go a long way towards preventing such
problems.  Unfortunately, use of the CONFLICTS variable is nowhere
near ubiquitous yet.

In the specific case of the various linux_base ports you ask about:

/usr/ports/emulators:% foreach m (linux_base*/Makefile)
foreach? echo $m
foreach? make -f $m -V CONFLICTS
foreach? end
linux_base-6/Makefile
linux_base-*
linux_base-8/Makefile
linux_base-*
linux_base-debian/Makefile
linux_base-*
linux_base/Makefile
linux_base-*

ie. all of the different linux_base ports conflict with each other. So
the short answer to your question is yes.

Cheers,

Matthew

-- 
Dr Matthew J Seaman MA, D.Phil.   26 The Paddocks
  Savill Way
PGP: http://www.infracaninophile.co.uk/pgpkey Marlow
Tel: +44 1628 476614  Bucks., SL7 1TH UK


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Re: Newbie question - package versions in FreeBSD 5.1

[Felix 'buebo' Kakrow]

Darren Phillips schrieb:

Sorry for the dumb-sounding question - is having multiple package versions installed in 5.1 going to burn me ?

I (think I) understand the install process but not the consequences. How do all the 
versions coexist ?
eg. install another linux base package.
Normally coexistence of new and old versions is not the way to go, and 
pkg_add or 'make install' in the port-directory will refuse to work.
If you want to upgrade 'make deinstall  make reinstall' or pkg_delete 
and pkg_install (with the new version) should be the way to go.
For a more comfortable way you should have a look into portupgrade, wich 
can upgrade all you outdated ports via the ports-system or packages.
I never tried this with FreeBSD, but from my linux-experiments I can 
tell that having multible Versions of the same Programm is usually going 
to give you trouble if you've not been really carefully in terms of 
install and libary Paths. It's even more trouble to do this with libarys.

Many thanks

DP
Cheers
Felix
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