On 05/30/2012 05:59 PM, Thomas Kahle wrote:
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)

What to do here?


Not sure about this. The eselect-cblas ebuild doesn't seem to block anything.

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