[gentoo-science] Building sage-on-gentoo

[Thomas Kahle <tomka@gentoo.org>]

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Hi,

the tarball for libcliquer moved, it seems:


>>> Emerging (1 of 92) sci-libs/libcliquer-1.2_p7 from sage-on-gentoo
 * Fetching files in the background. To view fetch progress, run
 * `tail -f /var/log/emerge-fetch.log` in another terminal.
>>> Downloading 'http://sage.math.washington.edu/home/release/sage-4.6/sage-4.6/spkg/standard/cliquer-1.2.p7.spkg'
--2012-05-31 09:02:20--  http://sage.math.washington.edu/home/release/sage-4.6/sage-4.6/spkg/standard/cliquer-1.2.p7.spkg
Resolving sage.math.washington.edu... 128.208.160.191
Connecting to sage.math.washington.edu|128.208.160.191|:80... connected.
HTTP request sent, awaiting response... 404 Not Found
2012-05-31 09:02:21 ERROR 404: Not Found.

!!! Couldn't download 'libcliquer-1.2_p7.tar.bz2'. Aborting.
 * Fetch failed for 'sci-libs/libcliquer-1.2_p7', Log file:
 *  '/var/tmp/portage/sci-libs/libcliquer-1.2_p7/temp/build.log'

On 06:32 Thu 31 May 2012, fbissey@slingshot.co.nz wrote:
> Quoting Thomas Kahle <tomka@gentoo.org>:
> 
> > On 17:27 Wed 30 May 2012, P Purkayastha wrote:
> >> On 05/30/2012 05:07 PM, Thomas Kahle wrote:
> >> > Hi,
> >> > I'm trying to build sage on gentoo but I get a conflict:
> >> >
> >> > !!! Multiple package instances within a single package slot have 
> >> been pulled
> >> > !!! into the dependency graph, resulting in a slot conflict:
> >> >
> >> > dev-python/numpy:0
> >> >
> >> >    (dev-python/numpy-1.5.1::sage-on-gentoo, ebuild scheduled for 
> >> merge) pulled in by
> >> >      ~dev-python/numpy-1.5.1 required by 
> >> (sci-mathematics/sage-5.0-r1::sage-on-gentoo, ebuild scheduled for 
> >> merge)
> >> >
> >> >    (dev-python/numpy-1.6.0::gentoo, ebuild scheduled for merge) 
> >> pulled in by
> >> >      >=dev-python/numpy-1.5[lapack] required by 
> >> (sci-libs/scipy-0.9.0-r1::gentoo, ebuild scheduled for merge)
> >> >
> >> > Any suggestions?
> >> >
> >> > Thanks!
> >> > Thomas
> >> >
> >>
> >> The latter package scipy depends on >=numpy-1.5 whereas sage depends 
> >> on =numpy-1.5.1. So, simply mask the higher versions of numpy:
> >>
> >> If you have /etc/portage/package.mask directory then,
> >>
> >> echo ">dev-python/numpy-1.5.1" >> /etc/portage/package.mask/mask_numpy
> >>
> >> otherwise
> >>
> >> echo ">dev-python/numpy-1.5.1" >> /etc/portage/package.mask
> >
> > ... and now it pulls in eselect-cblas and gsl which are blocking each other:
> >
> > [blocks B      ] app-admin/eselect-cblas ("app-admin/eselect-cblas" 
> > is blocking sci-libs/gsl-1.15-r2)
> >
> >  * Error: The above package list contains packages which cannot be
> >  * installed at the same time on the same system.
> >
> >   (app-admin/eselect-cblas-0.1::gentoo, ebuild scheduled for merge) 
> > pulled in by
> >     app-admin/eselect-cblas required by 
> > (sci-libs/cblas-reference-20030223-r4::gentoo, ebuild scheduled for 
> > merge)
> >
> >   (sci-libs/gsl-1.15-r2::science, installed) pulled in by
> >     sci-libs/gsl required by (media-gfx/inkscape-0.48.2::gentoo, installed)
> >     >=sci-libs/gsl-1.15 required by 
> > (sci-mathematics/sage-5.0-r1::sage-on-gentoo, ebuild scheduled for 
> > merge)
> >
> I think that's a different problem. You are using blas stuff from the science
> overlay but the version of cblas-reference from the main tree as a higher
> version number than the one from the science overlay (3. something?). So you
> probably have to mask sci-libs/cblas-reference::gentoo.
> 
> For your original problem, yes portage should solve the conflict, this is very
> strange, are numpy or scipy part of your world file?
> 
> Francois
> 
> 
> 

-- 
Thomas Kahle
http://dev.gentoo.org/~tomka/

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