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ranma37
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PostPosted: Mon Apr 17, 2006 3:35 am    Post subject: crossdev always tries to emerge old 2.4 headers Reply with quote

I tried to use crossdev to build a toolchain for mips.
I specified gcc version, uclibc version, and kernel header version.
But crossdev always ignores my kernel header version.
Code:

$ crossdev -pv -t mipsel-pc-linux-uclibc --b 2.16.1 --g 3.4.5 --k 2.6.11 --l 0.9.28
--------------------------------------------------------------------------------
 * Host Portage ARCH:     x86
 * Target Portage ARCH:   mips
 * Target System:         mipsel-pc-linux-uclibc
 * Stage:                 4 (C/C++ compiler)

 * binutils:              binutils-2.16.1
 * gcc:                   gcc-3.4.5
 * headers:               mips-headers-2.6.11
 * libc:                  uclibc-0.9.28

 * PORTDIR_OVERLAY:       /usr/local/portage
 * PORT_LOGDIR:           /var/log/portage
 * PKGDIR:                /usr/portage/packages/cross/mipsel-pc-linux-uclibc
 * PORTAGE_TMPDIR:        /var/tmp/cross/mipsel-pc-linux-uclibc
  _  -  ~  -  _  -  ~  -  _  -  ~  -  _  -  ~  -  _  -  ~  -  _  -  ~  -  _  - 
 * Forcing the latest versions of binutils-config/gcc-config ...
  [ ok ]
 * Log: /var/log/portage/cross-mipsel-pc-linux-uclibc-binutils.log
 * Emerging cross-binutils ...

These are the packages that I would merge, in order:

Calculating dependencies    ...done!
[ebuild  N    ] cross-mipsel-pc-linux-uclibc/binutils-2.16.1  -multislot -multitarget +nls -test -vanilla 0 kB [1]

Total size of downloads: 0 kB
Portage overlays:
 [1] /usr/local/portage
  [ ok ]
 * Log: /var/log/portage/cross-mipsel-pc-linux-uclibc-gcc-stage1.log
 * Emerging cross-gcc-stage1 ...

These are the packages that I would merge, in order:

Calculating dependencies    ...done!
[ebuild  N    ] cross-mipsel-pc-linux-uclibc/gcc-3.4.5  (-altivec) -bootstrap -boundschecking -build -doc -fortran -gcj -gtk -hardened -ip28 (-multilib) -multislot (-n32) (-n64) +nls +nocxx -nopie -nossp -objc -vanilla 0 kB [1]

Total size of downloads: 0 kB
Portage overlays:
 [1] /usr/local/portage
  [ ok ]
 * Log: /var/log/portage/cross-mipsel-pc-linux-uclibc-mips-headers.log
 * Emerging cross-mips-headers ...

These are the packages that I would merge, in order:

Calculating dependencies    ...done!
[ebuild  N    ] cross-mipsel-pc-linux-uclibc/mips-headers-2.4.28-r1  -build 0 kB [1]

Total size of downloads: 0 kB
Portage overlays:
 [1] /usr/local/portage
  [ ok ]
 * Log: /var/log/portage/cross-mipsel-pc-linux-uclibc-uclibc.log
 * Emerging cross-uclibc ...

These are the packages that I would merge, in order:

Calculating dependencies    ...done!
[ebuild  N    ] cross-mipsel-pc-linux-uclibc/uclibc-0.9.28  -build -debug -hardened -iconv +ipv6 -minimal +nls -pregen -savedconfig -uclibc-compat -userlocales -wordexp 0 kB [1]

Total size of downloads: 0 kB
Portage overlays:
 [1] /usr/local/portage
  [ ok ]
 * Log: /var/log/portage/cross-mipsel-pc-linux-uclibc-gcc-stage2.log
 * Emerging cross-gcc-stage2 ...

These are the packages that I would merge, in order:

Calculating dependencies    ...done!
[ebuild  N    ] cross-mipsel-pc-linux-uclibc/gcc-3.4.5  (-altivec) -bootstrap -boundschecking -build -doc +fortran -gcj -gtk -hardened -ip28 (-multilib) -multislot (-n32) (-n64) +nls -nocxx -nopie -nossp -objc -vanilla 0 kB [1]

Total size of downloads: 0 kB
Portage overlays:
 [1] /usr/local/portage
  [ ok ]
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a7thson
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Joined: 08 Apr 2006
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PostPosted: Mon Apr 17, 2006 7:03 pm    Post subject: Reply with quote

Quote:
I tried to use crossdev to build a toolchain for mips.
I specified gcc version, uclibc version, and kernel header version.
But crossdev always ignores my kernel header version.


mips-heaaders are hard-masked, something like
Code:
echo "cross-mipsel-unknown-linux-uclibc/mips-headers * ~* -*" >> /etc/portage/package.keywords
]echo ">cross-mipsel-unknown-linux-uclibc/mips-headers-2.6" >> /etc/portage/package.unmask

may be required, though I thought crossdev inserted some of that for you. I think crossdev needs you to
specify a full build (i.e. 2.6.11) but I couldn't get it to work. In my case I inserted
Code:
echo "<cross-mipsel-unknown-linux-uclibc/mips-headers-2.5" >> /etc/portage/package.unmask

to get crossdev to emerge the latest 2.4.xx kernel. I don't know if this is specific to mips, but with arm arch I was
able to specify a kernel version without incident, whereas for mips it iseemed like it gnored my settings.
You might be able to force >=2.6.11 in a similar way if the unmask doesn't help.
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ranma37
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PostPosted: Tue Apr 18, 2006 11:03 am    Post subject: Reply with quote

Thanks.
I noticed that crossdev didn't modify /etc/portage/package.unmask automatically.
So I put my desired package into it.
Code:
=cross-mipsel-pc-linux-uclibc/mips-headers-2.6.11-r1

Now it works. :D
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a7thson
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PostPosted: Tue Apr 18, 2006 1:43 pm    Post subject: Reply with quote

Quote:
Thanks.
I noticed that crossdev didn't modify /etc/portage/package.unmask automatically.
So I put my desired package into it.
Code:
=cross-mipsel-pc-linux-uclibc/mips-headers-2.6.11-r1

Now it works. :D


Cool! I'm still curious as to why mips-headers are hard masked and probably would be scared off by the answer :-)
Generally things aren't hard-masked without good reason.

Out of curiousity, what platform are you building for?

Btw, if you weren't aware, a nice feature of the 0.28 uClibc ebuild is the addition of the "savedconfig" USE flag, before which we had to settle for either a generic unoptimized toolchain or manual installs of uClibc. It's a *very* nice feature in fact, for making crossdev automation a lot more feasible for real applications. Just noticed savedconfig wasn't in your crossdev output, apologies if you already knew about the "savedconfig" option.
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