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mlau
n00b
Joined: 02 Jan 2006
Posts: 3
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 Posted: Sun Feb 26, 2006 1:12 pm Post subject: which versions for mips toolchain? |
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Hello,
I'm trying to build a mips toolchain (for AMD Au1200 cpu) with crossdev, unfortunately
it does not work out. glibc compilation fails with the following error:
| Code: |
[[32;01m*[[0m Checking gcc for __thread support ... no
[[31;01m*[[0m Could not find a gcc that supports the __thread directive!
[[31;01m*[[0m please update to gcc-3.2.2-r1 or later, and try again.
!!! ERROR: cross-mips-unknown-linux-gnu/glibc-2.3.6-r3 failed.
Call stack:
ebuild.sh, line 1894: Called dyn_unpack
ebuild.sh, line 694: Called src_unpack
glibc-2.3.6-r3.ebuild, line 1173: Called toolchain-glibc_src_unpack
glibc-2.3.6-r3.ebuild, line 190: Called check_nptl_support
!!! No __thread support in gcc!
!!! If you need support, post the topmost build error, and the call stack if relevant.
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compiler is gcc-3.4.5-r1, binutils-2.16.1.
Does anyone have know which versions of the above mentioned packages
can be successfully cross-compiled for mips?
Thanks,
_________________
From the book of Ballmer: "Those without a security hole throw the first chair..." |
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_lior_
n00b
Joined: 29 Dec 2004
Posts: 13
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| Posted: Sun Feb 26, 2006 2:03 pm Post subject: |
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that will not work with NPTL.
NPTL MIPS is such a pain in the ass. if you nevertheless want to give it a try:
1. you need GCC 4.1 for MIPS NPTL.
2. patch glibc for NPTL: http://www.linuxfromscratch.org/patches/downloads/glibc/glibc-20060220-mips_nptl-1.patch
3. hack the glibc ebuild: libc_cv_forced_unwind=yes, libc_cv_c_cleanup=yes
4. configure glibc with --with-__thread --with-tls
5. you need kernel headers which supports TLS for MIPS. (2.6.15 is good.)
but if you want linuxthreads, you don't need the above at all. just pass to crossdev that you want linuxthreads. |
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mlau
n00b
Joined: 02 Jan 2006
Posts: 3
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| Posted: Sun Feb 26, 2006 3:50 pm Post subject: |
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| _lior_ wrote: | that will not work with NPTL.
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Thanks, I thought as much. However, I remeber I built a nptl-only mips toolchain
a few months back.
I just need a compiler to create a bootloader, kernel and busybox.
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From the book of Ballmer: "Those without a security hole throw the first chair..." |
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Redhatter
Retired Dev
Joined: 20 Sep 2003
Posts: 548
Location: Brisbane, QLD, Australia
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| Posted: Mon Feb 27, 2006 1:41 pm Post subject: |
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Save yourself the heartache... don't bother with NPTL, get it working... then mess with it when you've proven you can build a standard (non-NPTL) toolchain. 
NPTL support requires a lot of bleeding edge tools, and nothing is guaranteed.
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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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