[Python-bugs-list] [ python-Bugs-640553 ] Misuse of /usr/local/in setup.py
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Tue, 19 Nov 2002 09:05:35 -0800
Bugs item #640553, was opened at 2002-11-19 09:04
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Category: Build
Group: Python 2.2.2
Status: Open
Resolution: None
Priority: 5
Submitted By: Nick Maclaren (nmm1)
Assigned to: Nobody/Anonymous (nobody)
Summary: Misuse of /usr/local/in setup.py
Initial Comment:
I cannot guarantee that this has not been reported
before, as the search facility doesn't appear
sufficiently powerful to determine that, and I do not
have time to read a hundred bug reports.
setup.py forces the use of /usr/local, which is wrong
on more counts
than I can describe. Not merely need it not exist, it
could easily
contain the wrong versions of libraries and headers.
The following
change should be reversed:
*** setup.py.org Mon Nov 18 19:57:09 2002
--- setup.py Mon Nov 18 19:57:23 2002
***************
*** 197,207 ****
return platform
def detect_modules(self):
- # Ensure that /usr/local is always used
- if '/usr/local/lib' not in
self.compiler.library_dirs:
- self.compiler.library_dirs.insert(0,
'/usr/local/lib')
- if '/usr/local/include' not in
self.compiler.include_dirs:
- self.compiler.include_dirs.insert(0,
'/usr/local/include' )
try:
have_unicode = unicode
--- 197,202 ----
----------------------------------------------------------------------
>Comment By: Martin v. Löwis (loewis)
Date: 2002-11-19 18:05
Message:
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If /usr/local/lib causes a build failure, then the
requirements are not absolutely standard, by (our)
definition: We require /usr/local/lib to provide any
libraries that are not normally on the system. Absence of
/usr/local/lib is not a problem, nor are missing libraries a
problem.
If accessing /usr/local/lib alone causes catastrophic
failures, it can't be a standard system.
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Comment By: Nick Maclaren (nmm1)
Date: 2002-11-19 13:29
Message:
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user_id=652073
No, that's not the issue. The build was absolutely out of
the box, and the requirements were absolutely standard.
But, for reasons that are irrelevant, -L/usr/local/lib
caused failure.
The point was that I had not specified it, it was not
specified anywhere in the configuration or any of the
Makefiles, and it wasn't even in Modules/Setup! So I
could not understand where it was being set.
I discovered that setup.py is invoked by default, and that
did the job but didn't leave a record in any configuration
or building file. GOTCHA!
----------------------------------------------------------------------
Comment By: Michael Hudson (mwh)
Date: 2002-11-19 11:00
Message:
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user_id=6656
It's not added if it doesn't exist in the HEAD branch.
Wrt the other complaint, I think setup.py is only intended
to be a convenience. If you have even vaguely complex
building requirements, edit Modules/Setup instead.
----------------------------------------------------------------------
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