[MacPorts] #22263: py26-gtk upgrade wants to install atlas

[MacPorts]

#22263: py26-gtk upgrade wants to install atlas
---------------------------------+------------------------------------------
 Reporter:  vinc17@…             |       Owner:  macports-tickets@…                  
     Type:  defect               |      Status:  new                                  
 Priority:  Normal               |   Milestone:                                      
Component:  ports                |     Version:  1.8.1                                
 Keywords:                       |        Port:  py26-gtk                            
---------------------------------+------------------------------------------
 When I want to upgrade py26-gtk, I get:
 {{{
 $ sudo port -v upgrade py26-gtk
 Warning: Skipping upgrade since openssl 0.9.8k_0 >= openssl 0.9.8k_0, even
 though installed variants "" do not match "+darwin". Use 'upgrade
 --enforce-variants' to switch to the requested variants.
 Warning: Skipping upgrade since help2man 1.36.4_1 >= help2man 1.36.4_1,
 even though installed variants "+darwin_8" do not match "". Use 'upgrade
 --enforce-variants' to switch to the requested variants.
 Warning: Skipping upgrade since fftw-3 3.2.2_0 >= fftw-3 3.2.2_0, even
 though installed variants "" do not match "+powerpc". Use 'upgrade
 --enforce-variants' to switch to the requested variants.
 Warning: Skipping upgrade since gmp 4.3.1_1 >= gmp 4.3.1_1, even though
 installed variants "+universal" do not match "+powerpc+universal". Use
 'upgrade --enforce-variants' to switch to the requested variants.
 Warning: Skipping upgrade since gzip 1.3.12_0 >= gzip 1.3.12_0, even
 though installed variants "+darwin_8" do not match "". Use 'upgrade
 --enforce-variants' to switch to the requested variants.
 --->  Computing dependencies for atlas.
 --->  Configuring atlas
 [...]
 }}}

 There's no reason why atlas should be installed:
 {{{
 Full Name: py26-gtk @2.16.0
 Library Dependencies: python26, atk, gtk2, libglade2, py26-cairo,
 py26-gobject
 }}}

 With the -d option, I get:
 {{{
 [...]
 DEBUG: Found port in
 file:///Users/vinc17/software/dports/python/py26-setuptools
 DEBUG: epoch: in tree: 0 installed: 0
 DEBUG: py26-setuptools 0.6c11_0 exists in the ports tree
 DEBUG: py26-setuptools 0.6c11_0  is the latest installed
 DEBUG: py26-setuptools 0.6c11_0  is active
 DEBUG: Merging existing variants  into variants
 DEBUG: new fully merged portvariants:
 DEBUG: Changing to port directory:
 /Users/vinc17/software/dports/python/py26-setuptools
 DEBUG: OS Platform: darwin
 DEBUG: OS Version: 8.11.0
 DEBUG: Mac OS X Version: 10.4
 DEBUG: System Arch: powerpc
 DEBUG: setting option os.universal_supported to yes
 DEBUG: org.macports.load registered provides 'load', a pre-existing
 procedure. Target override will not be provided
 DEBUG: org.macports.distfiles registered provides 'distfiles', a pre-
 existing procedure. Target override will not be provided
 DEBUG: Using group file
 /Users/vinc17/software/dports/_resources/port1.0/group/python26-1.0.tcl
 DEBUG: not using configure, so not adding the default universal variant
 DEBUG: Requested variant powerpc is not provided by port py26-setuptools.
 DEBUG: Requested variant darwin is not provided by port py26-setuptools.
 DEBUG: Requested variant macosx is not provided by port py26-setuptools.
 DEBUG: No need to upgrade! py26-setuptools 0.6c11_0 >= py26-setuptools
 0.6c11_0
 DEBUG: No need to upgrade! py26-nose 0.11.1_0 >= py26-nose 0.11.1_0
 DEBUG: Found port in file:///Users/vinc17/software/dports/math/atlas
 DEBUG: atlas is *not* installed by MacPorts
 DEBUG: Searching for dependency: atlas
 DEBUG: Didn't find receipt, going to depspec regex for: atlas
 DEBUG: Changing to port directory:
 /Users/vinc17/software/dports/math/atlas
 [...]
 }}}
 The word "atlas" doesn't occur before.

--
Ticket URL: <http://trac.macports.org/ticket/22263>
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[MacPorts]

#22263: py26-gtk upgrade wants to install atlas (due to dependency on py26-numpy)
---------------------------------+------------------------------------------
 Reporter:  vinc17@…             |       Owner:  mcalhoun@…          
     Type:  defect               |      Status:  new                  
 Priority:  Normal               |   Milestone:                      
Component:  ports                |     Version:  1.8.1                
 Keywords:                       |        Port:  py26-numpy          
---------------------------------+------------------------------------------
Changes (by vinc17@…):

  * owner:  macports-tickets@… => mcalhoun@…
  * port:  py26-gtk => py26-numpy


Comment:

 Hmm... it seems the cause is that py26-cairo depends on py26-numpy, which
 now depends on atlas (added in r59608). I think that when adding
 dependencies, the revision should be increased to avoid such problems.

 BTW, is the dependency on atlas really necessary? py26-numpy built fine
 before r59608.

--
Ticket URL: <http://trac.macports.org/ticket/22263#comment:1>
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[MacPorts]

#22263: py26-gtk upgrade wants to install atlas (due to dependency on py26-numpy)
---------------------------------+------------------------------------------
 Reporter:  vinc17@…             |       Owner:  mcalhoun@…          
     Type:  defect               |      Status:  new                  
 Priority:  Normal               |   Milestone:                      
Component:  ports                |     Version:  1.8.1                
 Keywords:                       |        Port:  py26-numpy          
---------------------------------+------------------------------------------
Changes (by ram@…):

 * cc: jameskyle@… (added)


--
Ticket URL: <http://trac.macports.org/ticket/22263#comment:3>
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[MacPorts]

#22263: py26-gtk upgrade wants to install atlas (due to dependency on py26-numpy)
----------------------------------+-----------------------------------------
  Reporter:  vinc17@…             |       Owner:  mcalhoun@…          
      Type:  request              |      Status:  closed              
  Priority:  Normal               |   Milestone:                      
 Component:  ports                |     Version:  1.8.1                
Resolution:  wontfix              |    Keywords:                      
      Port:  py26-numpy           |  
----------------------------------+-----------------------------------------
Changes (by jameskyle@…):

  * status:  new => closed
  * type:  defect => request
  * resolution:  => wontfix


Comment:

 My understanding is that you're requesting that atlas be removed as a
 dependency.

 Whether to include atlas as a dependency and the pros and cons to doing so
 were discussed at length in the mailing list before the change was made.
 That archive can be viewed here:
 http://lists.macosforge.org/pipermail/macports-
 dev/2009-October/010313.html

 Short story is:
 * It's macport's policy to link against our own libraries when possible
 * The apple lapack/blas implementation is incomplete and some programs
 fail compiling against them.
 * When two applications cross link, one with apple blas/lapack and one
 with standard blas/lapack as provided by macports bad things like
 segfaults and application crashing can happen.


 There are already steps you can take if you're dead set on not installing
 the standard blas/lapack package.

 * You can either exclude it all together in variants.conf with entries
 such as +no_atlas.
 * You can build the packages you wish to exclude atlas form with their
 corresponding variants.

--
Ticket URL: <http://trac.macports.org/ticket/22263#comment:4>
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[MacPorts]

#22263: py26-gtk upgrade wants to install atlas (due to dependency on py26-numpy)
----------------------------------+-----------------------------------------
  Reporter:  vinc17@…             |       Owner:  mcalhoun@…          
      Type:  request              |      Status:  closed              
  Priority:  Normal               |   Milestone:                      
 Component:  ports                |     Version:  1.8.1                
Resolution:  wontfix              |    Keywords:                      
      Port:  py26-numpy           |  
----------------------------------+-----------------------------------------

Comment(by jmr@…):

 He's right that the revision should have been bumped when the dependency
 was added, though.

--
Ticket URL: <http://trac.macports.org/ticket/22263#comment:5>
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[MacPorts]

#22263: py26-gtk upgrade wants to install atlas (due to dependency on py26-numpy)
----------------------------------+-----------------------------------------
  Reporter:  vinc17@…             |       Owner:  mcalhoun@…          
      Type:  request              |      Status:  closed              
  Priority:  Normal               |   Milestone:                      
 Component:  ports                |     Version:  1.8.1                
Resolution:  wontfix              |    Keywords:                      
      Port:  py26-numpy           |  
----------------------------------+-----------------------------------------

Comment(by vinc17@…):

 Replying to [comment:4 jameskyle@…]:
 > My understanding is that you're requesting that atlas be removed as a
 dependency.

 No, this was just a question. The problem is that atlas is built while
 py26-numpy does ''not'' use it (you need to increase the revision for
 that).

 > Short story is:
 > * It's macport's policy to link against our own libraries when possible
 > * The apple lapack/blas implementation is incomplete and some programs
 fail compiling against them.

 I didn't know that Apple's implementation was used. How can this be
 detected, e.g. with otool?

--
Ticket URL: <http://trac.macports.org/ticket/22263#comment:6>
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[MacPorts]

#22263: py26-gtk upgrade wants to install atlas (due to dependency on py26-numpy)
----------------------------------+-----------------------------------------
  Reporter:  vinc17@…             |       Owner:  mcalhoun@…          
      Type:  request              |      Status:  closed              
  Priority:  Normal               |   Milestone:                      
 Component:  ports                |     Version:  1.8.1                
Resolution:  wontfix              |    Keywords:                      
      Port:  py26-numpy           |  
----------------------------------+-----------------------------------------

Comment(by jameskyle@…):

 yes, otool is a good way, e.g.

 otool -L /path/to/library.dylib

--
Ticket URL: <http://trac.macports.org/ticket/22263#comment:7>
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