Re: [lfs-support] Upgrading Between Versions

2015-10-18 Thread Pierre Labastie
On 18/10/2015 12:29, Rob wrote:
> Good morning all.
> I have built and installed LFS, and a few packages from BLFS 7.7. Now I am
> looking to now upgrade to 7.8. I did not see anything in the book specifically
> geared toward going between LFS versions. Do I have to do anything different
> when doing an upgrade rather than going from scratch?
> I hope this made a little sense.
> Thank you.

I guess BLFS developers warn against upgrading in place, and would recommend
starting anew.
Normally, to install a newer version of a package, you should remove the
previous one, for example using a package manager. On the other hand, when the
new version has no modifications in the names of libraries and executables
(check the "installed files" paragraphs) a newer version can usually safely
overwrite an older one. Some packages are tricky, though. One example is
glibc, which has been discussed several times in the list. See for example:
http://lists.linuxfromscratch.org/pipermail/lfs-dev/2013-December/068547.html
and the associated thread.

Pierre
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[lfs-support] Upgrading Between Versions

2015-10-18 Thread Rob

Good morning all.
I have built and installed LFS, and a few packages from BLFS 7.7. Now I 
am looking to now upgrade to 7.8. I did not see anything in the book 
specifically geared toward going between LFS versions. Do I have to do 
anything different when doing an upgrade rather than going from scratch?

I hope this made a little sense.
Thank you. 


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Do not top post on this list.

A: Because it messes up the order in which people normally read text.
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Re: [lfs-support] Upgrading Between Versions

2015-10-18 Thread Bruce Dubbs

Pierre Labastie wrote:

On 18/10/2015 12:29, Rob wrote:

Good morning all.
I have built and installed LFS, and a few packages from BLFS 7.7. Now I am
looking to now upgrade to 7.8. I did not see anything in the book specifically
geared toward going between LFS versions. Do I have to do anything different
when doing an upgrade rather than going from scratch?
I hope this made a little sense.
Thank you.


I guess BLFS developers warn against upgrading in place, and would recommend
starting anew.
Normally, to install a newer version of a package, you should remove the
previous one, for example using a package manager. On the other hand, when the
new version has no modifications in the names of libraries and executables
(check the "installed files" paragraphs) a newer version can usually safely
overwrite an older one. Some packages are tricky, though. One example is
glibc, which has been discussed several times in the list. See for example:
http://lists.linuxfromscratch.org/pipermail/lfs-dev/2013-December/068547.html
and the associated thread.


I update packages over old versions all the time, but as Pierre says, 
glibc is a problem.  If I need to update that, I rebuild the whole 
system.  That said, you don't have to update just because a new package 
is released.  If you don't know why a new release was made, you probably 
don't need it.


I have one system I use every day that was built in 2012.  I rarely have 
to update a package on that system.


  -- Bruce


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Do not top post on this list.

A: Because it messes up the order in which people normally read text.
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