RHEL comes with Python2.3 installed. A program I need to install
requires Python2.4
So I got Python2.4 from source and compiled it up. I configured it
with --prefix=/usr --exec-prefix=/usr and --enable-unicode=ucs4 . I
then make'd it and then make altinstall so that it didn't overwrite
the /usr/bin/Python link to /usr/bin/Python2.3 .
Well, for some reason, the arch dependent files did NOT get placed
properly in /usr/lib64/Python2.4, they instead went to
/usr/lib/Python2.4.
Also, when I tried to load pysqlite:
$ Python2.4
>>from pysqlite2 import test
I get the following traceback:
Traceback (most recent call last):
File "setup.py", line 24, in ?
import glob, os, re, sys
File "/usr/lib64/python2.3/glob.py", line 4, in ?
import fnmatch
File "/usr/lib64/python2.3/fnmatch.py", line 13, in ?
import re
File "/usr/lib64/python2.3/re.py", line 5, in ?
from sre import *
File "/usr/lib64/python2.3/sre.py", line 97, in ?
import sre_compile
File "/usr/lib64/python2.3/sre_compile.py" , line 17, in ?
assert _sre.MAGIC == MAGIC, "SRE module mismatch"
AssertionError: SRE module mismatch
This basically means to me that Python2.4 is loading gloab.py from
/usr/lib64/Python2.3 insead of /usr/lib/Python2.4 (even thought I
wanted to install the related files in /usr/lib64/Python2.4)
Can someome please help!
Respectfully,
Christopher Taylor
Oct 18 '06
15  5562 
Christopher Taylor schrieb:
>Ah, I see. The reason is pretty simple: Makefile.pre.in has
LIBDIR= $(exec_prefix)/lib
so it seems that LIBDIR isn't configurable.
So you would agree that this is a bug?
I personally think this is a bug in AMD64-Linux. Libraries should
be stored in /usr/lib, binaries in /usr/bin, etc. If they need
simultaneous installation of 32-bit binaries for compatibility,
they should store them in architecture-specific directories.
I'll post on Python-Dev for
further advice. I'd like to fix this for the x86_64 community.
The x86_64 community has been using Python for a while, and
apparently has solved this problem already. You should try
to find out how they did it.
Regards,
Martin
I personally think this is a bug in AMD64-Linux. Libraries should
be stored in /usr/lib, binaries in /usr/bin, etc. If they need
simultaneous installation of 32-bit binaries for compatibility,
they should store them in architecture-specific directories.
I disagree. From what I see, the error, as far as python is
considered, is not being able to specify the location where libs are
put, despite the fact that the --LIBDIR= option is listed. It just
happens to manifest itself in AMD64/EM64T Linux, specifically RH linux
where 64bit libs are put in /usr/lib64 and 32bit libs in /usr/lib.
The x86_64 community has been using Python for a while, and
apparently has solved this problem already. You should try
to find out how they did it.
Where might I go to look on how to get this working?
Respectfully,
Christopher Taylor
P.S. I posted on python-dev and I haven't seen my post show up yet,
nor any responces .... is that list moderated?
Christopher Taylor schrieb:
I disagree. From what I see, the error, as far as python is
considered, is not being able to specify the location where libs are
put, despite the fact that the --LIBDIR= option is listed. It just
happens to manifest itself in AMD64/EM64T Linux, specifically RH linux
where 64bit libs are put in /usr/lib64 and 32bit libs in /usr/lib.
Ok. One solution might be to remove the libdir option, then. Python
attempts to be "movable", i.e. the libraries are found relative to
the executable (via dirname(sys.exe cutable)+"../lib/..."). If
libdir is supported, this approach must be given up - or libdir must
be given up.
>The x86_64 community has been using Python for a while, and
apparently has solved this problem already. You should try
to find out how they did it.
Where might I go to look on how to get this working?
The Linux distributions already provide Python binaries (I believe
Redhat does, too). You could study what they do to achieve that.
P.S. I posted on python-dev and I haven't seen my post show up yet,
nor any responces .... is that list moderated?
No, it should show up automatically.
Regards,
Martin
Ok. One solution might be to remove the libdir option, then. Python
attempts to be "movable", i.e. the libraries are found relative to
the executable (via dirname(sys.exe cutable)+"../lib/..."). If
libdir is supported, this approach must be given up - or libdir must
be given up.
Well, honestly, seeings how LIBDIR doesn't do anything ... I can see
the argument for removing it.
However, I would like to propose a more flexible solution: Perhaps a
../configure parameter called LIBLOC or something like that so that
LIBDIR = $(EXEC_PREFIX)/$(LIBLOC). Of course, LIBLOC should default
to "lib". This way the flexibility you mentioned above can be
maintained and the 64bit community (which will eventually be the
entire community) can move forward with minimal hassle.
The Linux distributions already provide Python binaries (I believe
Redhat does, too). You could study what they do to achieve that.
Yes, this is true ... but they do not package the most up-to-date
version .. which I need.
Respectfully,
Christopher Taylor
Christopher Taylor schrieb:
>The Linux distributions already provide Python binaries (I believe
Redhat does, too). You could study what they do to achieve that.
Yes, this is true ... but they do not package the most up-to-date
version .. which I need.
Sure. However, I still think they have solved the problem already -
if just for older versions. The build procedure hasn't changed that
much, so the solution might be applicable to the version you want
as well.
Regards,
Martin
Does anyone have any comments on my proposed solution?
However, I would like to propose a more flexible solution: Perhaps a
./configure parameter called LIBLOC or something like that so that
LIBDIR = $(EXEC_PREFIX)/$(LIBLOC). Of course, LIBLOC should default
to "lib". This way the flexibility you mentioned above can be
maintained and the 64bit community (which will eventually be the
entire community) can move forward with minimal hassle.
Respectfully,
Christopher Taylor This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics | |
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