#8773: GCC-4.5.0 breaks GAP -- the workspace is broken, hence gap('2+2') fails.
-----------------------+----------------------------------------------------
Reporter: was | Owner: GeorgSWeber
Type: defect | Status: new
Priority: blocker | Milestone: sage-4.4.1
Component: build | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
-----------------------+----------------------------------------------------
If you build GAP as part of sage-4.4 with GCC-4.5.0 (on lena):
{{{
[wst...@lena sage-4.4]$ ./sage
----------------------------------------------------------------------
| Sage Version 4.4, Release Date: 2010-04-24 |
| Type notebook() for the GUI, and license() for information. |
----------------------------------------------------------------------
sage: gap('2+3')
A workspace appears to have been corrupted... automatically rebuilding
(this is harmless).
---------------------------------------------------------------------------
TypeError Traceback (most recent call
last)
/home/wstein/screen/lena/sage-4.4/<ipython console> in <module>()
/home/wstein/screen/lena/sage-4.4/local/lib/python2.6/site-
packages/sage/interfaces/expect.pyc in __call__(self, x, name)
1030
1031 if isinstance(x, basestring):
-> 1032 return cls(self, x, name=name)
1033 try:
1034 return self._coerce_from_special_method(x)
/home/wstein/screen/lena/sage-4.4/local/lib/python2.6/site-
packages/sage/interfaces/expect.pyc in __init__(self, parent, value,
is_name, name)
1449 except (TypeError, KeyboardInterrupt, RuntimeError,
ValueError), x:
1450 self._session_number = -1
-> 1451 raise TypeError, x
1452 self._session_number = parent._session_number
1453
TypeError: Unable to start gap
sage: gap('2+3')
---------------------------------------------------------------------------
TypeError Traceback (most recent call
last)
/home/wstein/screen/lena/sage-4.4/<ipython console> in <module>()
/home/wstein/screen/lena/sage-4.4/local/lib/python2.6/site-
packages/sage/interfaces/expect.pyc in __call__(self, x, name)
1030
1031 if isinstance(x, basestring):
-> 1032 return cls(self, x, name=name)
1033 try:
1034 return self._coerce_from_special_method(x)
/home/wstein/screen/lena/sage-4.4/local/lib/python2.6/site-
packages/sage/interfaces/expect.pyc in __init__(self, parent, value,
is_name, name)
1449 except (TypeError, KeyboardInterrupt, RuntimeError,
ValueError), x:
1450 self._session_number = -1
-> 1451 raise TypeError, x
1452 self._session_number = parent._session_number
1453
TypeError: Unable to start gap
}}}
Exactly the same thing works fine with Sage-4.3.3 built using GCC-4.4.x on
lena:
{{{
[wst...@lena sage-4.4]$ ../sage-4.3.3/sage
----------------------------------------------------------------------
| Sage Version 4.3.3, Release Date: 2010-02-21 |
| Type notebook() for the GUI, and license() for information. |
----------------------------------------------------------------------
sage: gap('2+3')
5
}}}
Deleting workspaces, etc., doesn't help. The GAP spkg is unchanged
between these two versions of Sage.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8773>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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