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DaggyStyle
Watchman
Joined: 22 Mar 2006
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 Posted: Fri Oct 31, 2014 7:57 pm Post subject: migration from glibc to musl |
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Greetings,
I'm thinking of migrating from glibc to musl, has anyone done it? are there any pitfalls I should know of
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Ant P.
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Joined: 18 Apr 2009
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| Posted: Fri Oct 31, 2014 8:29 pm Post subject: |
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Haven't done it myself, but I'm also interested.
There's install instructions here, looks a bit fiddly but I may give it a try in a VM later. |
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DaggyStyle
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Joined: 22 Mar 2006
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| Posted: Fri Oct 31, 2014 9:43 pm Post subject: |
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thanks for the link but I don't think going hardened is something I need.
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Ant P.
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| Posted: Fri Oct 31, 2014 10:58 pm Post subject: |
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| Yeah, doesn't seem perfect to me either, but it looks like the only "supported" option at the moment. I haven't seen anything else other than a crossdev target and that seems a lot more work. |
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DaggyStyle
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Joined: 22 Mar 2006
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| Posted: Sat Nov 01, 2014 6:47 am Post subject: |
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| Ant P. wrote: | | Yeah, doesn't seem perfect to me either, but it looks like the only "supported" option at the moment. I haven't seen anything else other than a crossdev target and that seems a lot more work. |
I know of a user using a different distro which switched to musl completely.
maybe I'll create a vm and start fixing this (off work project), I did it at work for some programs that we needed to work with.
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heiwa
n00b
Joined: 24 Oct 2012
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| Posted: Sat Nov 01, 2014 7:51 am Post subject: |
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| To have a non-hardened toolchain, start out with the *-vanilla stage3. |
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DaggyStyle
Watchman
Joined: 22 Mar 2006
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| Posted: Sat Nov 01, 2014 11:05 am Post subject: |
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| heiwa wrote: | | To have a non-hardened toolchain, start out with the *-vanilla stage3. |
I know of no other than vanilla stage3 (normal one) unless I'm mistaken.
anyway what is needed to even start this is a static gcc as the first stage will be to convert gcc to musl from glibc (as one cannot install musl when glibc is installed, portage blocks it)
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heiwa
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| Posted: Sat Nov 01, 2014 4:11 pm Post subject: |
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| There is no easy way for switching the libc. You need to reinstall starting from one of the musl stage3s. |
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DaggyStyle
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Joined: 22 Mar 2006
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| Posted: Sat Nov 01, 2014 4:46 pm Post subject: |
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| heiwa wrote: | | There is no easy way for switching the libc. You need to reinstall starting from one of the musl stage3s. |
afaik, there is no such one... I think that stage1 is the only way to do that
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heiwa
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| Posted: Sat Nov 01, 2014 5:25 pm Post subject: |
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| Have you looked at the link in the first reply in this thread? |
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DaggyStyle
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N8Fear
Tux's lil' helper
Joined: 15 Apr 2013
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Location: Berlin (Germany)
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| Posted: Sat Nov 01, 2014 9:07 pm Post subject: |
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musl is really cool, but you will definitely encounter breakage (especially on ~arch) and it will require quite a bit of manual labour to get everything running. If you're fine with that: go for it, but expect a more 2003ish Gentoo experience not the "pampered" one you'll have on glibc right now.
Other than that I think that there is no real migration option (except reinstall from a musl stage 3 or bootstrap the system from scratch).
If you're really interested you could take a look at https://github.com/N8Fear/musl-overlay where I did some work to get "my system" working on musl (there's still some stuff missing for me, like clang/llvm and firefox/chromium). |
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badc0d3d
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Joined: 27 Oct 2013
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| Posted: Sun Nov 02, 2014 7:32 pm Post subject: |
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I recently found out alpine linux that is running on musl wih grsec/pax and for the time I've used it, acts pretty stable.
You might consider trying it, it was built using portage, but it has its own package manager. |
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DaggyStyle
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Joined: 22 Mar 2006
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| Posted: Mon Nov 03, 2014 7:48 am Post subject: |
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I want my gentoo 
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Ian
l33t
Joined: 28 Oct 2002
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Location: Somerville, MA
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| Posted: Mon Nov 03, 2014 1:17 pm Post subject: |
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| Curious if anyone has thoughts on using MUSL for ARM, specifically a BeagleBone Black? I might try it just because, though I'm not sure if it's actually worthwhile or not. |
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DaggyStyle
Watchman
Joined: 22 Mar 2006
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| Posted: Mon Nov 03, 2014 2:20 pm Post subject: |
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| Ian wrote: | | Curious if anyone has thoughts on using MUSL for ARM, specifically a BeagleBone Black? I might try it just because, though I'm not sure if it's actually worthwhile or not. |
that might be a good question for the guys at crosstool-ng, the guy which was in charge of adding it to crosstool-ng was using arm in the first place I think.
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Ian
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| Posted: Tue Nov 04, 2014 2:13 am Post subject: |
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| DaggyStyle wrote: | | that might be a good question for the guys at crosstool-ng, the guy which was in charge of adding it to crosstool-ng was using arm in the first place I think. |
I might look into this more. Turns out I'm going to be working all weekend, so this might turn into a longer term project then I was hoping for. Oh well, like I said, if it's a "just because" project it's not like it was going to be on a real timeline anyways. |
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DaggyStyle
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Joined: 22 Mar 2006
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| Posted: Sat Nov 08, 2014 4:53 pm Post subject: |
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after talking with the main dev of the hardend musl branch, he told me that the branch is not hardened only, it just stored there.
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steveL
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| Posted: Sat Nov 08, 2014 9:51 pm Post subject: |
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| Go for it, DaggyStyle; I'd like to follow how you get on. #gentoo-embedded is full of people who'll help (blueness is in there, too.) |
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DaggyStyle
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Joined: 22 Mar 2006
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| Posted: Fri Nov 14, 2014 6:17 am Post subject: |
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| steveL wrote: | | Go for it, DaggyStyle; I'd like to follow how you get on. #gentoo-embedded is full of people who'll help (blueness is in there, too.) |
| Code: | (chroot) livecd tmp # gcc-config -l
[1] x86_64-gentoo-linux-musl-4.8.3 *
(chroot) livecd tmp # emerge -s eudev
Searching...
[ Results for search key : eudev ]
[ Applications found : 1 ]
* sys-fs/eudev
Latest version available: 1.10-r2
Latest version installed: 1.10-r2
Size of files: 1,735 kB
Homepage: https://github.com/gentoo/eudev
Description: Linux dynamic and persistent device naming support (aka userspace devfs)
License: LGPL-2.1 MIT GPL-2
(chroot) livecd tmp # emerge -s systemd
Searching...
[ Results for search key : systemd ]
[ Applications found : 6 ]
* kde-misc/kcmsystemd [ Masked ]
Latest version available: 0.7.0
Latest version installed: [ Not Installed ]
Size of files: 50 kB
Homepage: https://github.com/rthomsen/kcmsystemd
Description: KDE control module for systemd
License: GPL-3
* sys-apps/gentoo-systemd-integration
Latest version available: 4
Latest version installed: [ Not Installed ]
Size of files: 51 kB
Homepage: https://bitbucket.org/mgorny/gentoo-systemd-integration
Description: systemd integration files for Gentoo
License: BSD
* sys-apps/systemd [ Masked ]
Latest version available: 9999
Latest version installed: [ Not Installed ]
Size of files: 0 kB
Homepage: http://www.freedesktop.org/wiki/Software/systemd
Description: System and service manager for Linux
License: GPL-2 LGPL-2.1 MIT public-domain
* sys-apps/systemd-sysv-utils [ Masked ]
Latest version available: 217
Latest version installed: [ Not Installed ]
Size of files: 3,607 kB
Homepage: http://www.freedesktop.org/wiki/Software/systemd
Description: sysvinit compatibility symlinks and manpages
License: GPL-2
* sys-apps/systemd-ui [ Masked ]
Latest version available: 9999
Latest version installed: [ Not Installed ]
Size of files: 0 kB
Homepage: http://www.freedesktop.org/wiki/Software/systemd
Description: System and service manager for Linux
License: GPL-2
* sys-devel/systemd-m4 [ Masked ]
Latest version available: 9999
Latest version installed: [ Not Installed ]
Size of files: 0 kB
Homepage: https://bitbucket.org/mgorny/systemd-m4/
Description: autoconf macros for packages using systemd
License: BSD
(chroot) livecd tmp #
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steveL
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Location: The Peanut Gallery
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| Posted: Fri Nov 14, 2014 1:22 pm Post subject: |
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w00t! ;-)
Any tricky packages etc, please let us know in this thread as well, man. |
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DaggyStyle
Watchman
Joined: 22 Mar 2006
Posts: 5910
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| Posted: Sat Nov 15, 2014 5:30 am Post subject: |
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| steveL wrote: | w00t!
Any tricky packages etc, please let us know in this thread as well, man. |
well I've only started looking at this, I wasn't able to complete the install due to not been able to compile the following pkgs:
- cronie
- dhcpcd
- portage-utils
- grub2
so far I've provided upstream patches for cronie and portage-utils, dhcpcd is next and I'm waiting for clarifications on grub2.
according to the head maintainer of this branch gnome is kinda working on it, kde isn't so much, the rest of the WM works ok (xfce is best supported)
as I'm using kde in default I think I'll try focusing on it.
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steveL
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Location: The Peanut Gallery
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| Posted: Sat Nov 15, 2014 6:21 am Post subject: |
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| DaggyStyle wrote: | I wasn't able to complete the install due to not been able to compile the following pkgs:
- cronie
- dhcpcd
- portage-utils
- grub2
so far I've provided upstream patches for cronie and portage-utils, dhcpcd is next and I'm waiting for clarifications on grub2. |
Excellent; you got links for those?
| Quote: | according to the head maintainer of this branch gnome is kinda working on it, kde isn't so much, the rest of the WM works ok (xfce is best supported)
as I'm using kde in default I think I'll try focusing on it. |
Nice one, I'm a kde-user too, always have on Linux. Would be interesting to get -semantic-craptop and creaker's patchsets going, also his Qt-mounter for Michel's nubkit-free desktop. Speaking of whom, fvwm-crystal might be a good lightweight intermediate target (and you'd get an excellent userbase.)
Though I had to switch to mutt from KMail after I turned off semantic-craptop, which was very hard after 15 years happily using KMail, I'm really glad I did now. It's so light and quick in combination with yakuake, and my desktop now runs as slick as 3.5.x used to. I was ready to jack KDE in before I finally got it slimmed-down; 4.9 and "Attach as tab to.." finally made it feel like an improvement (though mainly that was because of the taskbar idiocy no longer being an issue, it's a classic example of multiprocessing and doing things simply, leading to a very nice setup.) |
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DaggyStyle
Watchman
Joined: 22 Mar 2006
Posts: 5910
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| Posted: Sat Nov 15, 2014 9:47 am Post subject: |
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| steveL wrote: | | DaggyStyle wrote: | I wasn't able to complete the install due to not been able to compile the following pkgs:
- cronie
- dhcpcd
- portage-utils
- grub2
so far I've provided upstream patches for cronie and portage-utils, dhcpcd is next and I'm waiting for clarifications on grub2. |
Excellent; you got links for those?
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these patches weren't accepted yet by hardend-devs so no links yet.
| steveL wrote: |
| Quote: | according to the head maintainer of this branch gnome is kinda working on it, kde isn't so much, the rest of the WM works ok (xfce is best supported)
as I'm using kde in default I think I'll try focusing on it. |
Nice one, I'm a kde-user too, always have on Linux. Would be interesting to get -semantic-craptop and creaker's patchsets going, also his Qt-mounter for Michel's nubkit-free desktop. Speaking of whom, fvwm-crystal might be a good lightweight intermediate target (and you'd get an excellent userbase.)
Though I had to switch to mutt from KMail after I turned off semantic-craptop, which was very hard after 15 years happily using KMail, I'm really glad I did now. It's so light and quick in combination with yakuake, and my desktop now runs as slick as 3.5.x used to. I was ready to jack KDE in before I finally got it slimmed-down; 4.9 and "Attach as tab to.." finally made it feel like an improvement (though mainly that was because of the taskbar idiocy no longer being an issue, it's a classic example of multiprocessing and doing things simply, leading to a very nice setup.) |
I think that the main goal should be have kde work on musl before going into adventures.
but I was thinking of focusing on kf5 instead of kde4 as I don't want to work on something that might be deprecated halfway
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DaggyStyle
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