[Matplotlib-users] Matplotlib Installation Question on Centos 7

[Antony Lee]

The patch at https://github.com/matplotlib/matplotlib/pull/13064 will
likely not work on old matplotlibs/py2, but perhaps patching get_base_dirs
to return an empty list (as suggested in
https://github.com/matplotlib/matplotlib/issues/9737) (and then fixing any
downstream breakage) will...
Antony

On Wed, Mar 13, 2019 at 2:23 PM Thomas Caswell <tcaswell at gmail.com> wrote:

> Can you use the local version of python to run setup.py?  It is not clear
> to me what version of python you are compiling with.
>
> Does the patch in https://github.com/matplotlib/matplotlib/pull/13064
> help?
>
> Failing that, as it looks like you are building matplotlib as part of an
> integrated enviroment, I suggest patching `setup.py` and `setup_ext.py`
> until it works...
>
> Tom
>
> On Thu, Mar 7, 2019 at 12:13 PM Slavin, Jonathan <jslavin at cfa.harvard.edu>
> wrote:
>
>> Hi Peter,
>>
>> I'm working on a CentOS 7 system. I can't answer your question directly,
>> but I would advise installing anaconda. It makes all this stuff much
>> simpler and keeps your local environment cleanly separated from the system
>> wide one.
>>
>> Regards,
>> Jon
>>
>>
>>> Date: Thu, 7 Mar 2019 11:36:09 +0000
>>> From: Peter Chiu - UKRI STFC <peter.chiu at stfc.ac.uk>
>>> To: "matplotlib-users at python.org" <matplotlib-users at python.org>
>>> Subject: [Matplotlib-users] Matplotlib Installation Question on Centos
>>>         7
>>> Message-ID: <f9072eaff66a4015b6117b295bc06da3 at stfc.ac.uk>
>>> Content-Type: text/plain; charset="us-ascii"
>>>
>>> Hello,
>>>
>>> This is a novice question and hopefully someone can advise.
>>>
>>> In order to support a software package for the LOFAR project,
>>> I am trying to install Matplotlib on a centos 7 system:
>>>
>>>    python setup.py build_ext
>>> --include-dirs=/usr/local/lofar3_2/local/release/include
>>>
>>> it complains at the point:
>>>
>>> g++ -pthread -shared build/temp.linux-x86_64-2.7/src/_ttconv.o \
>>> build/temp.linux-x86_64-2.7/ttconv/pprdrv_tt.o   \
>>> build/temp.linux-x86_64-2.7/ttconv/pprdrv_tt2.o \
>>> build/temp.linux-x86_64-2.7/ttconv/ttutil.o           \
>>> -L/usr/local/lib -L/usr/lib -L/usr/local/lib64 -L/usr/lib64 \
>>> -L/usr/local/lofar3_2/local/release/lib -lpython2.7 \
>>> -o build/lib.linux-x86_64-2.7/matplotlib/ttconv.so
>>> /usr/local/lib/libpython2.7.a(posixmodule.o): In function `posix_tmpnam':
>>> /usr/local/lofar/python/src/Python-2.7.8/./Modules/posixmodule.c:7575:
>>> warning:
>>> the use of `tmpnam_r' is dangerous, better use `mkstemp'
>>> /usr/local/lib/libpython2.7.a(posixmodule.o): In function
>>> `posix_tempnam':
>>> /usr/local/lofar/python/src/Python-2.7.8/./Modules/posixmodule.c:7522:
>>> warning:
>>> the use of `tempnam' is dangerous, better use `mkstemp'
>>> /usr/bin/ld: /usr/local/lib/libpython2.7.a(abstract.o): \
>>> relocation R_X86_64_32 against `.rodata.str1.8' can not be used when
>>> making a shared object; recompile with -fPIC
>>> ...
>>> /usr/bin/ld: /usr/local/lib/libpython2.7.a(getcompiler.o): \
>>> relocation R_X86_64_32 against `.rodata.str1.8' can not be used when
>>> making a shared object; recompile with -fPIC
>>> /usr/bin/ld: final link failed: Nonrepresentable section on output
>>> collect2: error: ld returned 1 exit status
>>> error: command 'g++' failed with exit status 1
>>>
>>> Prior to that, I have already installed a local version of python in a
>>> separate folder.
>>> If I then manually move the switch
>>>
>>> -L/usr/local/lofar3_2/local/release/lib \
>>>
>>> before
>>>
>>> -L/usr/local/lib
>>>
>>> it will then pick up the local library, and it will compile okay.
>>>
>>> So my question is how to specify a local version of python library
>>> to be used as preference as part of the python setup.py build_ext
>>> command.
>>>
>>> I have tried the switch -library-dirs=..., --library=, and -rpath=
>>> but none of them will make my local python library in preference
>>> to that under /usr/local/lib.
>>>
>>> Much grateful for any advice can be given.
>>>
>>> Regards,
>>>
>>> Peter
>>>
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>>
>>
>> --
>> Jonathan D. Slavin
>> Astrophysicist - High Energy Astrophysics Division
>> Center for Astrophysics | Harvard & Smithsonian
>> Office: (617) 496-7981 | Cell: (781) 363-0035
>> 60 Garden Street | MS 83 | Cambridge, MA 02138
>>
>>
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>>
>
>
> --
> Thomas Caswell
> tcaswell at gmail.com
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