[Patches] [ python-Patches-1044395 ] Add FreeBSD* to configure.in
for --enable-shared
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Tue Oct 26 11:55:26 CEST 2004
Patches item #1044395, was opened at 2004-10-11 16:40
Message generated for change (Comment added) made by perky
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Category: Build
Group: Python 2.4
>Status: Closed
>Resolution: Fixed
Priority: 7
Submitted By: James William Pye (jwpye)
Assigned to: Hye-Shik Chang (perky)
Summary: Add FreeBSD* to configure.in for --enable-shared
Initial Comment:
Add FreeBSD to the same class as Linux, GNU, and NetBSD
so that the shared library will be built and installed
on FreeBSD systems when --enabled-shared is specified.
I didn't regenerate the configure script as I wasn't
sure what version of autoconf would be desired. I'll
leave that up to the committer, if accepted.
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>Comment By: Hye-Shik Chang (perky)
Date: 2004-10-26 18:55
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Thanks!
Just checked it in:
configure.in 1.473
configure 1.460
Misc/NEWS 1.1178
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Comment By: James William Pye (jwpye)
Date: 2004-10-26 16:03
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Okay. Thanks for handling and explaining this, perky, as it
is a rather important aspect that I had obviously missed.
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Comment By: Hye-Shik Chang (perky)
Date: 2004-10-26 15:21
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Sorry for late reply, jwpye.
Whether ldconfig(1) can catch a shared library or not can be
not so important if all applications detect by trying
linkings with explicit path or -L option. But, even FreeBSD
ports uses ldconfig(1) to track dependency and ports
prohibits installing shared libraries with dotted versions.
(you can define NO_FILTER_SHLIBS=yes to avoid the rule.)
In fact, FreeBSD developers are discussing internally about
allowing lib*.so.major.minor versions for base shared
libraries like libc. But Python tends to keep perfect ABI
compatibility within branches and shared library major
versions are virtually useless for Python. So, I think we
can use just ".1" in FreeBSD anyways.
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Comment By: James William Pye (jwpye)
Date: 2004-10-22 10:08
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I understand now:
flaw at void:~ % sudo ldconfig /usr/lib /usr/local/lib
/usr/X11R6/lib /usr/dev/lib
flaw at void:~ % ldconfig -r | grep 'python'
342:-lpython2.3.1 => /usr/local/lib/libpython2.3.so.1
/usr/dev/lib has libpython2.4.so and libpython2.4.so.1.0
flaw at void:~ % cd /usr/dev/lib
flaw at void:/usr/dev/lib % sudo ln -s libpython2.4.so.1.0
libpython2.4.so.1
flaw at void:/usr/dev/lib % sudo ln -sf libpython2.4.so.1
libpython2.4.so
flaw at void:/usr/dev/lib % l libpython2.4.so
lrwxr-xr-x 1 root wheel - 17B Oct 21 18:01
libpython2.4.so -> libpython2.4.so.1
flaw at void:/usr/dev/lib % l libpython2.4.so.1
lrwxr-xr-x 1 root wheel - 19B Oct 21 18:01
libpython2.4.so.1 -> libpython2.4.so.1.0
flaw at void:/usr/dev/lib % sudo ldconfig /usr/lib
/usr/local/lib /usr/X11R6/lib /usr/dev/lib
flaw at void:/usr/dev/lib % ldconfig -r | grep 'python'
342:-lpython2.3.1 => /usr/local/lib/libpython2.3.so.1
625:-lpython2.4.1 => /usr/dev/lib/libpython2.4.so.1
Although, it doesn't appear to be "fatal". A ld
-L/usr/dev/lib -lpython2.4 will work fine, either way.
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Comment By: Martin v. Löwis (loewis)
Date: 2004-10-22 03:31
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perky, I fail to understand your comment on versioning. It
appears to suggest that the patch attached to this report
does not work. However, if it doesn't work, I'm surprised
that jwpye suggested it in the first place.
Anyway, assigning the entire issue to you for resolution.
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Comment By: Jiwon Seo (jiwon)
Date: 2004-10-22 00:37
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Okay.
Here's the patch reflection your suggestion.
http://seojiwon.dnip.net:8000/~jiwon/configure.in
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Comment By: Hye-Shik Chang (perky)
Date: 2004-10-22 00:07
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For jiwon's patch:
You don't need to post a patch to configure, only
configure.in is enough. For line 1347,1354, I think we
don't need to keep using not $CC but 'cc' as linker on
OpenBSD. AFAIK, OpenBSD uses gcc as their compiler set and
there're no alternatives available. So, it'll not need to
have a special case for OpenBSD.
And, ac_cv_pthread_system_supported stuff is to fix Python's
pthread scope behavior that is not appropriate on FreeBSD.
(In FreeBSD, system scope threads are very expensive than
process scope threads and the former has lots of limitations
on resource usages.) I think it can go into Python src as a
ifdef'ed block, I will post a patch in a new bug item soon.
To jwpye:
FreeBSD's runtime linker system can't handle so versions
with dot(s). You can link againt shared objects with dotted
so versions if you explicitly specified rpath on linking.
But -lpython2.3.1.0 may not be found by ldconfig(1) nor ld
-shared.
Hence, it tends to make KDE and/or GNOME applications using
python difficult to compile.
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Comment By: James William Pye (jwpye)
Date: 2004-10-21 22:49
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This might be a question for the port maintainer, but what's
the point of cutting the .0 off the SOVERSION? Having it
there hasn't caused any trouble for my CVS build(yet?)..
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Comment By: Jiwon Seo (jiwon)
Date: 2004-10-21 21:24
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http://seojiwon.dnip.net:8000/~jiwon/configure.patch2
Here's a patch conforming to FreeBSD port scheme. (I think)
However, for "ac_cv_pthread_system_supported" problem, I
think it's better patched in port system, isn't it?
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Comment By: Hye-Shik Chang (perky)
Date: 2004-10-21 16:58
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FreeBSD port (their packaging system) already has
a scheme for shared library.
http://www.freebsd.org/cgi/cvsweb.cgi/ports/lang/python/files/patch-configure?rev=1.10&content-type=text/x-cvsweb-markup
It would be good if Python's setting become simliar
to FreeBSD port's.
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Comment By: Jiwon Seo (jiwon)
Date: 2004-10-21 14:27
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Adding a patch that fixes configure (and configure.in). Used
autoconf2.59 as is specified in previous configure script.
Patch is at
http://seojiwon.dnip.net:8000/~jiwon/configure.patch
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Comment By: Martin v. Löwis (loewis)
Date: 2004-10-20 05:25
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Looks good to me.
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