Upgrading to 7.0 - stupid requirements

[Kris Kennaway]

Edwin Groothuis wrote:
> On Fri, Feb 29, 2008 at 01:03:31AM +0100, Kris Kennaway wrote:
>> Edwin Groothuis wrote:
>>> On Fri, Feb 29, 2008 at 12:08:22AM +0100, Marko Lerota wrote:
>>>> In http://www.freebsd.org/releases/7.0R/announce.html says 
>>>>
>>>> Updating Existing Systems
>>>>
>>>>> An upgrade of any existing system to FreeBSD 7.0-RELEASE constitutes 
>>>>> a major version upgrade, so no matter which method you use to update 
>>>>> an older system you should reinstall any ports you have installed on 
>>> Should, not must. Use misc/compat6x if you don't want to do this,
>>> but that doesn't work for things which look in the kernel (sysutils/lsof
>>> for example)
>> No: must, not should.
>>
>> If you don't do this, then when you update e.g. only some of the gnome 
>> libraries without recompiling all of gnome, then your gnome binaries 
>> will have libraries linked to libc.so.6 and libc.so.7, and to 
>> libkse.so.2 as well as libthr.so.3, and this is a guaranteed runtime 
>> crash because these are mutually inconsistent sets of libraries.
> 
> He wanted independance of the base OS and the installed software.
> He didn't want to upgrade his software because of software version
> incompatibilies.
> 
> That was the scenario where this advice was given on.

OK, it is true that if users do not plan to upgrade self-contained 
subsets of their installed 6.x software, then those subsets will 
continue to function indefinitely using the compat6x libraries.

Kris