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fishball
n00b
Joined: 06 Jul 2006
Posts: 7
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 Posted: Thu Jul 13, 2006 5:50 pm Post subject: No NPTL on mips? |
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I've just finished bootstraping my O2 and later decided to use nptl. I am using a 2.6 netboot image so I thought my nptl USE flag should be fine. But when i try to do a emerge -ep system | grep glibc, i don't see nptl as listed in its USE flags. I checked the output to see if i will be emerging linux26-headers eventually but didn't see it as well. I saw mips-headers instead.
Cany anyone confirm if nptl is supported in mips? I hope it is. I have an Ultra5 with the latest and greatest including nptl. Don't ever want to go back to linuxthreads again.
Thanks. |
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Redhatter
Retired Dev
Joined: 20 Sep 2003
Posts: 548
Location: Brisbane, QLD, Australia
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| Posted: Fri Jul 14, 2006 12:43 am Post subject: |
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It's comming... glibc-3.x doesn't support NPTL, glibc-2.4 does (in fact, 2.4 drops linuxthreads support), but the transition isn't straightforward, and thus is strongly discouraged at the moment, unless you really know what you're doing.
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Stuart Longland (a.k.a Redhatter, VK4MSL)
I haven't lost my mind - it's backed up on a tape somewhere...
Gentoo/MIPS Cobalt developer, Mozilla herd member. |
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Kumba
Developer
Joined: 16 Jul 2002
Posts: 393
Location: Sigma 957
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| Posted: Fri Jul 14, 2006 12:52 am Post subject: |
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Nptl will be entering a testable phase for us after the 2006.1 release. To use nptl, you need gcc-4.1.1 and glibc-2.4. To avoid horribly breaking people's systems, nptl has been locked away into a series of specialized sub-profiles. Currently, we advise against trying it, as we can't really offer support for it (lack of time, etc -- I'm currently building release materials and such, and haven't played with nptl a whole lot really). If you do decide to switch profiles and try it, you're on your own for now :)
--Kumba
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"The past tempts us, the present confuses us, the future frightens us. And our lives slip away, moment by moment, lost in that vast, terrible in-between."
--Emperor Turhan, Centauri Republic |
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fishball
n00b
Joined: 06 Jul 2006
Posts: 7
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| Posted: Fri Jul 14, 2006 1:13 am Post subject: |
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Thanks. Is there any way I can help to speed things up? I'm willing to try things out.
I'm just about to finish stage3. I'm planning to just copy it over to the second box. Aside from ccache, is it possible to speed up my compiles (for the testing) like HPC or whatever?
By the way, I need to re-bootstrap when I try out gcc-4.1.1 and glibc-2.4 right? |
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fishball
n00b
Joined: 06 Jul 2006
Posts: 7
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| Posted: Fri Jul 14, 2006 1:16 am Post subject: |
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BTW, got 2 of this.
Portage 2.1.1_pre2-r6 (default-linux/mips/mips64/2006.0, gcc-3.4.6, glibc-2.3.6-r4, 2.6.12-rc5-mipscvs-20050529-ip32r5k mips64)
=================================================================
System uname: 2.6.12-rc5-mipscvs-20050529-ip32r5k mips64 R5000 V2.1 FPU V1.0
Gentoo Base System version 1.12.1
app-admin/eselect-compiler: [Not Present]
dev-lang/python: 2.4.3-r1
dev-python/pycrypto: 2.0.1-r5
dev-util/ccache: [Not Present]
dev-util/confcache: [Not Present]
sys-apps/sandbox: 1.2.18.1
sys-devel/autoconf: 2.13, 2.59-r6
sys-devel/automake: 1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r1
sys-devel/binutils: 2.16.91.0.2
sys-devel/gcc-config: 1.3.12-r6
sys-devel/libtool: 1.5.20
virtual/os-headers: 2.6.16.16
ACCEPT_KEYWORDS="mips ~mips"
AUTOCLEAN="yes"
CBUILD="mips-unknown-linux-gnu"
CFLAGS="-O2 -mips4 -mabi=32 -pipe"
CHOST="mips-unknown-linux-gnu"
CONFIG_PROTECT="/etc"
CONFIG_PROTECT_MASK="/etc/env.d /etc/gconf /etc/terminfo"
CXXFLAGS="-O2 -mips4 -mabi=32 -pipe"
DISTDIR="/usr/portage/distfiles"
FEATURES="autoconfig ccache distlocks metadata-transfer sfperms strict"
GENTOO_MIRRORS="http://distfiles.gentoo.org http://distro.ibiblio.org/pub/linux/distributions/gentoo"
MAKEOPTS="-j2"
PKGDIR="/usr/portage/packages"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --delete-after --stats --timeout=180 --exclude='/distfiles' --exclude='/local' --exclude='/packages'"
PORTAGE_TMPDIR="/usr/portage/tmp"
PORTDIR="/usr/portage"
SYNC="rsync://rsync.gentoo.org/gentoo-portage"
USE="mips berkdb bitmap-fonts cli dlloader fortran gdbm gpm isdnlog libwww nls pam pcre perl pppd python readline reflection sdl session spl ssl tcpd truetype-fonts type1-fonts userlocales xorg elibc_glibc input_devices_keyboard input_devices_mouse input_devices_evdev kernel_linux userland_GNU"
Unset: CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LANG, LC_ALL, LDFLAGS, LINGUAS, PORTAGE_RSYNC_EXTRA_OPTS, PORTDIR_OVERLAY
Ooppss... this is now what I want.  Okay, i'll post hinv later.  |
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Kumba
Developer
Joined: 16 Jul 2002
Posts: 393
Location: Sigma 957
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| Posted: Fri Jul 14, 2006 2:46 am Post subject: |
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| fishball wrote: | | Thanks. Is there any way I can help to speed things up? I'm willing to try things out. |
Not at the moment. The one run I did do shows that nptl is almost a painless, straight conversion, but that was a strict, base-line install into a chroot. I didn't try big and complex things like Xorg and apps like Firefox or whatnot. That's what'll be tested after release (when I covert my Octane over to an nptl install, cause right now, it's building the stages and CD/netboots for 2006.1's release).
| fishball wrote: | I'm just about to finish stage3. I'm planning to just copy it over to the second box. Aside from ccache, is it possible to speed up my compiles (for the testing) like HPC or whatever?
By the way, I need to re-bootstrap when I try out gcc-4.1.1 and glibc-2.4 right? |
One thing mips teaches someone, is to have patience :) [although, not as much as an m68k box will require]
As for rebuilding; probably better to do 'emerge -e world' vs. re-bootstrapping. In truth, bootstrap isn't really run anymore in a normal install. We advise users nowadays to just unpack a stage3 and run the above emerge command, which re-installs every package already installed, so the effect is literally the same. This is why we only distribute stage3 tarballs now.
--Kumba
_________________
"The past tempts us, the present confuses us, the future frightens us. And our lives slip away, moment by moment, lost in that vast, terrible in-between."
--Emperor Turhan, Centauri Republic |
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