#12424: OS X Lion: symmetrica doesn't work
--------------------------+-------------------------------------------------
   Reporter:  jhpalmieri  |          Owner:  tbd                       
       Type:  defect      |         Status:  needs_review              
   Priority:  major       |      Milestone:  sage-5.0                  
  Component:  packages    |       Keywords:  symmetrica darwin lion osx
Work_issues:              |       Upstream:  N/A                       
   Reviewer:              |         Author:  John Palmieri             
     Merged:              |   Dependencies:                            
--------------------------+-------------------------------------------------
Changes (by newvalueoldvalue):

  * status:  new => needs_review
  * author:  => John Palmieri


Old description:

> With the default compiler in XCode 4, OS X Lion, the symmetrica spkg
> apparently builds successfully and passes self-tests, but the file
> `devel/sage/sage/libs/symmetrica/schur.pxi` fails doctests: it hangs and
> times out.  One possible fix: compile the spkg with optimization turned
> off; then schur.pxi passes tests in under 3 seconds.  (Another possible
> solution: compile with `/usr/bin/gcc-4.2` if present.  If you try to
> compile with clang, the build fails.)

New description:

 With the default compiler in XCode 4, OS X Lion, the symmetrica spkg
 apparently builds successfully and passes self-tests, but the file
 `devel/sage/sage/libs/symmetrica/schur.pxi` fails doctests: it hangs and
 times out.  One possible fix: compile the spkg with optimization turned
 off; then schur.pxi passes tests in under 3 seconds.  (Another possible
 solution: compile with `/usr/bin/gcc-4.2` if present.  If you try to
 compile with clang, the build fails.)

 ------

 New spkg:
 [http://sage.math.washington.edu/home/palmieri/SPKG/symmetrica-2.0.p8.spkg]

--

Comment:

 The spkg here checks for /usr/bin/gcc-4.2.  If present, it uses it;
 otherwise, it turns off optimization when compiling.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12424#comment:1>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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