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McGruff
Tux's lil' helper
Joined: 28 Dec 2004
Posts: 148
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 Posted: Tue Aug 04, 2009 9:16 pm Post subject: kernel compilation problem |
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Hi
I've got a problem trying to build a new rt-sources kernel (2.6.29.2-rt11) but don't really have a clue what to do next.
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$ make && make modules_install
...
...
...
...
LD arch/x86/vdso/built-in.o
CC kernel/sched.o
CC kernel/fork.o
cc1: warnings being treated as errors
kernel/fork.c:1826: error: 'takeover_delayed_drop' defined but not used
make[1]: *** [kernel/fork.o] Error 1
make: *** [kernel] Error 2
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erik258
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Joined: 12 Apr 2005
Posts: 2650
Location: Twin Cities, Minnesota, USA
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| Posted: Tue Aug 04, 2009 11:48 pm Post subject: |
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| Quote: | | cc1: warnings being treated as errors |
that seems like a strange choice.
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McGruff
Tux's lil' helper
Joined: 28 Dec 2004
Posts: 148
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| Posted: Wed Aug 05, 2009 1:29 am Post subject: |
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| Something I need to change or something chosen by the ebuild? |
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cach0rr0
Bodhisattva
Joined: 13 Nov 2008
Posts: 4123
Location: Houston, Republic of Texas
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| Posted: Wed Aug 05, 2009 1:44 am Post subject: |
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| erik258 wrote: | | Quote: | | cc1: warnings being treated as errors |
that seems like a strange choice. |
To me, the kernel itself seems a strange choice
It doesn't exactly inspire heaps of confidence when I look at an ebuild and see things commented out rather than removed
When code is commented out, I assume the developer isn't completely sure of the change they're making, and are afraid of removing the code completely because they don't know what doing so might break, and they don't want to forget in case it turns out they needed it.
Especially with kernel sources, ESPECIALLY with something like an ebuild, where if you know the proper syntax, there is no reason to have items commented out instead of removed:
http://gpo.zugaina.org/AJAX/Ebuild/92711/View
| Code: |
# ==========================================================================
# This ebuild come from pro-audio repository. Zugaina.org only host a copy.
# For more info go to http://gentoo.zugaina.org/
# ************************ General Portage Overlay ************************
# ==========================================================================
# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $
K_PREPATCHED="yes"
UNIPATCH_STRICTORDER="yes"
ETYPE="sources"
inherit kernel-2 eutils fetch-tools reiser4-patch patcher
detect_version
#get_realtime_patch_url
K_NOSETEXTRAVERSION="don't_set_it"
#FBSPLASH="fbcondecor-0.9.4_for_2.6.26-rt.patch"
RT_PATCH="patch-${KV}.bz2"
RESTRICT="nomirror"
DESCRIPTION="Realtimne Preemption patched low latency Linux kernel"
SRC_URI="${KERNEL_URI}
http://www.kernel.org/pub/linux/kernel/projects/rt/older/${RT_PATCH}"
#fbcondecor? ( http://proaudio.tuxfamily.org/patches/${FBSPLASH} )"
#http://download.tuxfamily.org/proaudio/realtime-patches/${RT_PATCH}
KEYWORDS="~amd64 ~x86"
IUSE=""
#"fbcondecor"
#pkg_setup(){
# einfo "Additional patches for $PN can be enabled with following USE-flags:"
# echo
# einfo "fbcondecor - Add support for fbcondecor framebuffer splash"
# echo
# sleep 3
#}
src_unpack(){
kernel-2_src_unpack
epatch "${DISTDIR}/${RT_PATCH}"
# fix sandbox_problems
epatch "${FILESDIR}/build-id-sandbox-violation.patch"
# Spock's stuff
# use fbcondecor && epatch "${DISTDIR}/${FBSPLASH}"
# hotfix http://article.gmane.org/gmane.linux.audio.users/52475
# epatch "${FILESDIR}/${PN}-2.6.26_fix_midi.patch"
}
K_EXTRAEINFO="This kernel is not supported by Gentoo If you have any issues, try
a matching vanilla-sources ebuild -- if the problem persists there, please file
a bug at http://bugme.osdl.org. If the problem only occurs with rt-sources then
please contact the -rt mailing list: http://www.mail-archive.com/linux-rt-users@vger.kernel.org/ .
Recommended other packages: sys-process/rtirq and sys-apps/das_watchdog"
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They may very well be brilliant coders, so I don't want to judge them completely for this - but again, it doesn't inspire heaps of confidence to see things left over in such a sloppy fashion.
2.6.26 is old enough - in the time between .26 and now, they SHOULD have an idea on whether or not what they have commented out is safe to remove from the ebuild.
my two cents |
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McGruff
Tux's lil' helper
Joined: 28 Dec 2004
Posts: 148
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| Posted: Wed Aug 05, 2009 2:14 am Post subject: |
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| cach0rr0 wrote: | | To me, the kernel itself seems a strange choice |
The rt-sources are pretty much essential for low-latency audio: jack, ardour, hydrogen, rosegarden et al. Maybe I should stick with 2.6.26 for the time being though. |
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erik258
Advocate
Joined: 12 Apr 2005
Posts: 2650
Location: Twin Cities, Minnesota, USA
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McGruff
Tux's lil' helper
Joined: 28 Dec 2004
Posts: 148
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| Posted: Wed Aug 05, 2009 1:09 pm Post subject: |
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| Yeah thanks erik. I'd like to do it all in portage if possible but it's good to have another option. Looks like I should maybe take this to the pro-audio mailing list instead. Thanks everyone for your help. |
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erik258
Advocate
Joined: 12 Apr 2005
Posts: 2650
Location: Twin Cities, Minnesota, USA
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| Posted: Wed Aug 05, 2009 5:56 pm Post subject: |
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understood - although, I must point out that in the case of linux sources, portage does very little (kernels don't have library dependencies the same way user end software does, and since its not being built the emerge really just downloads the files and uncompresses them into /usr/src).
Anyway, good luck. I'm glad I took the time to familiarize myself with linux realtime options.
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NeddySeagoon
Administrator
Joined: 05 Jul 2003
Posts: 44898
Location: 56N 3W
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| Posted: Wed Aug 05, 2009 7:05 pm Post subject: |
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Moved from Kernel & Hardware to Unsupported Software.
Its an unsupported kernel
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Unsupported Software
