On 08/15/2009 07:42 PM, Mark Knecht wrote:
[...] I agree with your description, but I disagree that the upgrade guide is actually very clear about this. It has us upgrade the compiler (OK), switch to the new compiler (OK), rebuild the libtool stuff (OK) then then states:http://www.gentoo.org/doc/en/gcc-upgrading.xml <QUOTE> To be completely safe that your system is in a sane state, you must rebuild the toolchain and then world to make use of the new compiler. Code Listing 2.2: Rebuilding system # emerge -eav system # emerge -eav world </QUOTE> Who, reading this, wouldn't want to be safe and sane? I doesn't say 'might', 'could' or even 'should'. It says 'must'.
No one knows. The devs aren't magicians :P For this specific update, there no problems *expected*. But there's no guarantee. If you want a guarantee, no one can give it to you other than yourself doing a rebuild of system&world.

