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2016-06-11T17:46:27Z slyrus: should I be worried about the "Couldn't re-execute SBCL with proper personality flags"?
2016-06-11T17:47:06Z slyrus: I'm messing around with getting SBCL running inside of a docker container and see this warning, presumably because it's configured such that I can't turn off ASLR.
2016-06-11T17:47:19Z stassats: it is worrisome
2016-06-11T17:47:32Z slyrus: what will break?
2016-06-11T17:47:36Z stassats: everything
2016-06-11T17:48:38Z stassats: sb-dynamic-core can mitigate most of it
2016-06-11T17:48:44Z slyrus: Oh? A simple test of SBCL building itself works fine.
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2016-06-11T17:50:37Z stassats: but if it doesn't break now it may break at any moment, which is worse
2016-06-11T17:54:05Z slyrus: so the problem is that I'm not actually turning off ASLR, but, then again, I'm not actually getting random address space layouts, but that might change at some point? Do I understand this correctly?
2016-06-11T17:56:01Z stassats: i can't get randomization to work to check whether sb-dynamic-core actually makes it work
2016-06-11T17:56:25Z stassats: but even if sb-dynamic-core does help, a randomized layout may clash with one of the lisp spaces
2016-06-11T17:57:33Z stassats: probably sbcl is not built with -pie, so it actually doesn't matter?
2016-06-11T17:58:14Z stassats: pie probably would croak on -assem.S
2016-06-11T18:01:54Z stassats: /usr/bin/ld: x86-64-assem.o: relocation R_X86_64_32S against `all_threads' can not be used when making a shared object; recompile with -fPIC
2016-06-11T18:02:45Z p_l: always wondered if it would be possible to make SBCL fully PIE on 64bit platforms...
2016-06-11T18:03:59Z stassats: so, why do we actually have personality setting?
2016-06-11T18:06:14Z stassats: comes from http://comments.gmane.org/gmane.lisp.steel-bank.devel/5323
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2016-06-11T18:08:34Z stassats: slyrus: so, the "may break sometime" reason is that it may overlap with the spaces that have static addresses in sbcl
2016-06-11T18:09:48Z slyrus: what's the "it" that may overlap with SBCL's spaces with static address?
2016-06-11T18:10:02Z stassats: "whatever"
2016-06-11T18:10:45Z p_l: stassats: depending on ASLR configuration, loading at fixed address might be prohibited
2016-06-11T18:10:58Z p_l: or rather, prohibited unless personality change is applied
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2016-06-11T18:18:21Z stassats: otherwise aslr works, the stack gets random locations
2016-06-11T18:18:40Z stassats: so, i'm not quite sure how to break personality-less sbcl
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2016-06-11T18:19:36Z p_l: stassats: core load fails
2016-06-11T18:19:55Z p_l: had a system that worked only with relocatable patch due to PaX
2016-06-11T18:20:09Z slyrus: wouldn't that mean that building SBCL itself should fail?
2016-06-11T18:20:51Z p_l: slyrus: unless, like me, you forgot to run paxctl on the new SBCL binary but had it done long ago on the host one...
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2016-06-11T18:21:40Z stassats: i don't have any pax
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2016-06-11T18:23:59Z slyrus: I'm no more enlightened than I was 30 minutes ago :) on another note, on systems without /usr/bin/time (or at least this one),  running ./make.sh directly fails, but sh ./make.sh works.
2016-06-11T18:24:22Z stassats: yes, that is known
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2016-06-11T18:36:41Z sumosudo: 1
2016-06-11T18:38:57Z sumosudo: Hello. I keep on getting this error.. http://pasteboard.co/1BPp1BJu.png
2016-06-11T18:39:17Z sumosudo: and another about uv-errno.h not being found..
2016-06-11T18:53:58Z stassats: sbcl too old
2016-06-11T18:54:05Z stassats: asdf to be exact
2016-06-11T18:54:33Z stassats: and kudos to asdf maintainers for plugging a feature of newer asdf into cffi
2016-06-11T18:56:11Z stassats: what in the hell is os-cond?
2016-06-11T18:56:14Z stassats:   (defmacro os-cond (&rest clauses)
2016-06-11T18:56:14Z stassats:     #+abcl `(cond ,@clauses)
2016-06-11T18:56:14Z stassats:     #-abcl (loop* :for (test . body) :in clauses :when (eval test) :return `(progn ,@body)))
2016-06-11T18:56:22Z stassats: what on earth?
2016-06-11T18:57:02Z Bike: yeah, i don't know why they did that. i've seen people complaining about this same issue, too.
2016-06-11T18:57:02Z stassats: oh, it's doing stuff at run-time
2016-06-11T18:57:12Z stassats: at m-e-time
2016-06-11T18:57:20Z stassats: why disabled on abcl?
2016-06-11T18:58:24Z stassats: os-unix-p means (:or :unix :cygwin)
2016-06-11T18:59:01Z stassats: although cygwin is kinda unixy, you might not expect that result
2016-06-11T18:59:32Z Bike: "Added OS-COND to UIOP to paper over some incompatibilities about when and how operating system can be detected on different implementations. Made OS predicates run test at runtime so you can bind *features* from a target system and determine its OS." is what it says in the log
2016-06-11T19:00:04Z stassats: well, i'm thinking how to get rid of that in cffi and make a pull request
2016-06-11T19:00:28Z stassats: asdf, always there to annoy me
2016-06-11T19:00:36Z Bike: if nothing else, you could put in a provisional definition of os-cond as cond
2016-06-11T19:01:12Z stassats: well, it's not a critical path, i'll just cond it
2016-06-11T19:03:37Z stassats: is there any documentation for uiop?
2016-06-11T19:04:30Z jackdaniel: only what quickdocs have (API reference)
2016-06-11T19:04:40Z jackdaniel: http://quickdocs.org/uiop/
2016-06-11T19:04:41Z stassats: usually the more i unravel asdf, the more annoyed i become
2016-06-11T19:04:50Z stassats: jackdaniel: i saw that, and that was "no"
2016-06-11T19:05:08Z jackdaniel: hence my "only", didn't know you have already seen that
2016-06-11T19:08:56Z jackdaniel: trivial-features does that (reading the backlog), no need for uiop regarding the OS
2016-06-11T19:10:52Z Bike: uiop is also all-consuming
2016-06-11T19:11:35Z stassats: asdf is a virus, i would love to avoid it, but i can't
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2016-06-11T19:28:11Z slyrus: so is there no need for the personality/execve stuff on sb-dynamic-core?
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