Gentoo Archives: gentoo-hardened

From: Vieri <rentorbuy@×××××.com>
To: gentoo-hardened@l.g.o
Subject: Re: [gentoo-hardened] First time hardened install: GCC version
Date: Mon, 26 Mar 2007 18:59:53
Message-Id: 904807.3321.qm@web32615.mail.mud.yahoo.com
In Reply to: Re: [gentoo-hardened] First time hardened install: GCC version by Adam James
1 --- Adam James <atj@××××××××××××××.uk> wrote:
2
3 > On Mon, 26 Mar 2007 10:33:56 -0700 (PDT) Vieri
4 > <rentorbuy@×××××.com>
5 > wrote:
6 >
7 > > Is it really impossible to downgrade to 3.4.6?
8 >
9 > I think you've confused gcc with glibc. gcc is a
10 > slotted package, so
11 > you can run 3.x and 4.x concurrently without any
12 > problems. You must
13 > use `gcc-config' to select which compiler the system
14 > will use by
15 > default.
16 >
17 > glibc on the other hand is not slotted, and _cannot_
18 > be downgraded
19 > (unless you really know what you're doing).
20 >
21 > You will encounter problems if you try to set your
22 > profile to hardened
23 > when you have installed the system with a release
24 > >2006.0, as these
25 > include a version of glibc that is hard masked in
26 > the hardened profiles.
27
28 I see, but the thing is that my system has
29 sys-libs/glibc-2.3.6-r5. I used 2006.1, made the
30 symlink to hardened profile and rsync'ed immediately
31 and emerged system and world. According to forum post:
32 http://forums.gentoo.org/viewtopic-t-539616-highlight-gcc+hardened.html
33 the "trouble" you're referring to should happen if one
34 has glibc-2.4.x. or later, am I right?
35
36 I don't want to bother this list too much with my
37 novice questions. Could you please just let me know if
38 I can have a hardened system with
39 sys-libs/glibc-2.3.6-r5 and gcc-4.1.1 and/or
40 gcc-3.4.6?
41
42 Thank you very much for your time.
43
44
45
46
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Replies

Subject Author
Re: [gentoo-hardened] First time hardened install: GCC version Adam James <atj@××××××××××××××.uk>