script to query PETSc makefile variables?

[Matthew Knepley]

I will split it into two pieces. One with a nice interface, that only
works in the
source directories OR if you install BuildSystem, and one that does nothing
but return a variable value.

  Matt

On Thu, Jan 22, 2009 at 6:30 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:
>
>  Matt,
>
>    I don't understand. If PETSc is --prefix installed then configVars.py
> will not work?
> So what good is it's nice help system if it don't work? Either
>
> 1) configVars.py should not be recommend as a way to get PETSc values or
> 2) configVars.py should be fixed so that it can get PETSc values by
>    a) either removing its dependencies on things that are not there when
> someone
>         wants to use it (that is its dependency on script)
>    b) anything that configVars.py needs to work must be --prefix installed
> when PETSc
>         is installed (I don't like the idea of needing the entire
> BuildSystem shoved in when
>         PETSc is --prefix installed, this is why I suggested a). Maybe only
> script stuff needs
>         to be --prefix installed with PETSc).
>
>
>   Barry
>
> On Jan 22, 2009, at 6:20 PM, Matthew Knepley wrote:
>
>> On Thu, Jan 22, 2009 at 6:18 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:
>>>
>>> On Jan 22, 2009, at 6:17 PM, Matthew Knepley wrote:
>>>
>>>>>
>>>>
>>>> I meant something slightly different. I mean that the 'script' module
>>>> is really doing very
>>>> little work in this example. It is only processing command line
>>>> options. Retreiving the
>>>> variables will work with only standard Python.
>>>>
>>>  So take out the dependency.
>>
>> I like it for this example. It allows a nice help system and will
>> always work since this
>> code is in PETSc. If you want to take the code out, then its your
>> responsibility to
>> take out 'script' as well.
>>
>>  Matt
>>
>>>  Barry
>>>
>>>> Matt
>>>>
>>>>> Boyana
>>>>>
>>>>>> Matt
>>>>>>
>>>>>>
>>>>>>>
>>>>>>> Boyana
>>>>>>>
>>>>>>> Matthew Knepley wrote:
>>>>>>>
>>>>>>>>
>>>>>>>> On Thu, Jan 22, 2009 at 5:15 PM, Boyana Norris <norris at mcs.anl.gov>
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>
>>>>>>>>>
>>>>>>>>> Thank you both -- I'd prefer to use configVars.py, but it seems to
>>>>>>>>> depend
>>>>>>>>> on
>>>>>>>>> the script module, which is not standard in at least Python 2.5.
>>>>>>>>> Googling
>>>>>>>>> for "python script module" is a joke, as you can imagine. Is this a
>>>>>>>>> PETSc
>>>>>>>>> thing or a general module I can get somewhere?
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>> That module is in PETSc,
>>>>>>>>
>>>>>>>> $PETSC_DIR/config/BuildSystem
>>>>>>>>
>>>>>>>> Matt
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>>
>>>>>>>>> Thanks!
>>>>>>>>> Boyana
>>>>>>>>>
>>>>>>>>> Matthew Knepley wrote:
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Check out $PETSC_DIR/bin/configVars.py
>>>>>>>>>>
>>>>>>>>>> Matt
>>>>>>>>>>
>>>>>>>>>> On Thu, Jan 22, 2009 at 4:38 PM, Satish Balay <balay at mcs.anl.gov>
>>>>>>>>>> wrote:
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> On Thu, 22 Jan 2009, Boyana Norris wrote:
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> Is there a script that can be used to query the values of
>>>>>>>>>>>> various
>>>>>>>>>>>> variables
>>>>>>>>>>>> defined in petscvariables makefile snippets (similar to lots of
>>>>>>>>>>>> linux
>>>>>>>>>>>> tools'
>>>>>>>>>>>> pkg-config scripts)?
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> [don't have canned code for this but] I've previously recommended
>>>>>>>>>>> doing the following in the packages configure.. [facets now has
>>>>>>>>>>> this
>>>>>>>>>>> in their configure to detect petsc]
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> - petsc_arch and petsc_dir are inputs to configure
>>>>>>>>>>> - Create a dummy makefile on the fly
>>>>>>>>>>> - run this makefile to echo relavent stuff..
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> For eg:
>>>>>>>>>>> asterix:/home/balay/download-pine>cat configpetsc.sh
>>>>>>>>>>> #!/bin/sh
>>>>>>>>>>>
>>>>>>>>>>> PETSC_ARCH=asterix64
>>>>>>>>>>> PETSC_DIR=/home/balay/spetsc
>>>>>>>>>>>
>>>>>>>>>>> cat <<EOF > petscmake
>>>>>>>>>>> PETSC_ARCH = ${PETSC_ARCH}
>>>>>>>>>>> PETSC_DIR  = ${PETSC_DIR}
>>>>>>>>>>> include ${PETSC_DIR}/conf/base
>>>>>>>>>>> EOF
>>>>>>>>>>>
>>>>>>>>>>> PETSC_INC=`make -f petscmake getincludedirs`
>>>>>>>>>>> PETSC_LIB=`make -f petscmake getlinklibs`
>>>>>>>>>>>
>>>>>>>>>>> echo '**** PETSC_INC ***'
>>>>>>>>>>> echo ${PETSC_INC}
>>>>>>>>>>> echo '**** PETSC_LIB ***'
>>>>>>>>>>> echo ${PETSC_LIB}
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> Satish
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> Boyana Norris, Computer Scientist    |   Email: norris at mcs.anl.gov
>>>>>>>>> Argonne National Laboratory          |   Phone: +1 (630) 252 7908
>>>>>>>>> http://www.mcs.anl.gov/~norris/      |   Fax:   +1 (630) 252 5986
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Boyana Norris, Computer Scientist    |   Email: norris at mcs.anl.gov
>>>>>>> Argonne National Laboratory          |   Phone: +1 (630) 252 7908
>>>>>>> http://www.mcs.anl.gov/~norris/      |   Fax:   +1 (630) 252 5986
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>> --
>>>>> Boyana Norris, Computer Scientist    |   Email: norris at mcs.anl.gov
>>>>> Argonne National Laboratory          |   Phone: +1 (630) 252 7908
>>>>> http://www.mcs.anl.gov/~norris/      |   Fax:   +1 (630) 252 5986
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> What most experimenters take for granted before they begin their
>>>> experiments is infinitely more interesting than any results to which
>>>> their experiments lead.
>>>> -- Norbert Wiener
>>>
>>>
>>
>>
>>
>> --
>> What most experimenters take for granted before they begin their
>> experiments is infinitely more interesting than any results to which
>> their experiments lead.
>> -- Norbert Wiener
>
>



-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which
their experiments lead.
-- Norbert Wiener