#9987: Shared readline library uses a .so extension on AIX when it should be .a
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Reporter: drkirkby | Owner: drkirkby
Type: defect | Status: new
Priority: minor | Milestone: sage-4.6
Component: AIX or HP-UX ports | Keywords:
Author: | Upstream: None of the above - read trac
for reasoning.
Reviewer: | Merged:
Work_issues: |
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Using the following system:
* IBM
[http://publib.boulder.ibm.com/infocenter/pseries/v5r3/index.jsp?topic=/com.ibm.pseries.doc/hardware_docs/rs6000_7025f50series.htm
RS/6000 7025 F50]
* 4 x 332 MHz 32-bit PowerPC CPUs
* 3 GB RAM
* A fair wide mixture of disks sizes (3 x 9 GB, 1 x 18 GB, 2 x 36 GB and
1 x 73 GB)
* DDS-4 tape drive
* AIX 5.3 (A POSIX certified operating system)
* gcc 4.2.4 downloaded from [http://pware.hvcc.edu/ pware]
* sage-4.6.alpha1
Readline builds, but then if we look at the libraries, one has the wrong
extension.
{{{
-bash-4.1$ ls -l local/lib/libreadline*
-rwxr-xr-x 1 drkirkby staff 1739661 23 Sep 15:43
local/lib/libreadline.a
lrwxrwxrwx 1 drkirkby staff 16 23 Sep 15:43
local/lib/libreadline.so -> libreadline.so.6
-rwxr-xr-x 1 drkirkby staff 1145940 23 Sep 15:43
local/lib/libreadline.so.6
-bash-4.1$
-bash-4.1$
-bash-4.1$ file local/lib/libreadline.a local/lib/libreadline.so
local/lib/libreadline.so.6
local/lib/libreadline.a: archive (big format)
local/lib/libreadline.so: executable (RISC System/6000) or object module
not stripped
local/lib/libreadline.so.6: executable (RISC System/6000) or object module
not stripped
}}}
I don't know AIX well, but I suspect the .a is a static library here, and
the .so is a shared library. But AIX uses .a for shared libraries. (I
don't know what it uses for static libraries - it might be .o).
This is probably a mis-configuration in Sage.
Dave
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9987>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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