NetBSD Problem Report #43923

From  Tue Sep 28 23:16:32 2010
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Date: Tue, 28 Sep 2010 23:16:31 +0000 (UTC)
Subject: [textproc/py-4Suite] build error on Linux (CentOS)
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>Number:         43923
>Category:       pkg
>Synopsis:       [textproc/py-4Suite] build error on Linux (CentOS)
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    pettai
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Sep 28 23:20:01 +0000 2010
>Last-Modified:  Wed Sep 29 10:37:04 +0000 2010
>Originator:     Youssef Ghorbal
>Release:        CentOS 5
Institut Pasteur
Linux 2.6.18-164.11.1.el5 #1 SMP Wed Jan 20 07:32:21 EST 2010 x86_64 GNU/Linux
The building of py-4Suite on Linux (CentOS 5) failes with this error message : 
Fatal Python error: Interpreter not initialized (version mismatch?)

After some digging, it appears that le ld linker links the shared libraries ( etc) against the static libpython that is in /opt/pkg/lib/python2.6/config.

The ld man page states that the linker will look for Libraires specified with -L in the order of their apperience in the command line. And in fact the -L /opt/pkg/lib/python2.6/config comes before -L /opt/pkg/lib (where the lies)

The -L opt/pkg/lib/python2.6/config is added in the file of the python2.6 package (line 16) : BUILDLINK_LIBDIRS.python26+=    lib/python2.6/config

build textproc/py-4Suite on a Linux (CentOS) box
Avoid static linking... knowing that :
- GCC and LD does not seem to provide any way to force linking Dynamically Vs Staticly (even -Bdynamic does not have any effect)
- Commenting line 16 in make things work but it's not a "real" solution. Some scenarios need to link against the static libpython and this trick disable this ability.
- Reorder the option line to make sure that -L opt/pkg/lib comes before -L opt/pkg/lib/python2.6/config. This works fine (tested "by hand") but there is no way to put it in the pkgsrc way (in the Makefile or in the mk.conf)
- Do some BUILDLINK_TRANSFORM magic in the Makefile of py-4Suite but this will be python version specific and does not seem to work (not taken into effect)



Responsible-Changed-From-To: pkg-manager->pettai
Responsible-Changed-When: Wed, 29 Sep 2010 10:37:04 +0000
Over to maintainer.


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