[petsc-dev] wrong makefile variables?

Lisandro Dalcin dalcinl at gmail.com
Sat Oct 16 14:32:20 CDT 2010


On 16 October 2010 22:21, Barry Smith <bsmith at mcs.anl.gov> wrote:
>
>  So all you need is a single variable
>
> PETSC_LIB_BASIC = -lpetsc
>
> or
>
> PETSC_LIB_BASIC = -lpetscts .... -lpetscsys
>
> ?
> I'll put that in today if that is what you need.
>

Yes, that's what I need, and that was available a week ago. So yes,
please restore it.

>   Barry
>
>
> On Oct 16, 2010, at 1:34 PM, Lisandro Dalcin wrote:
>
>> On 16 October 2010 19:17, Barry Smith <bsmith at mcs.anl.gov> wrote:
>>>
>>>  Maybe if you told/showed me exactly how you use it we can come up with the optimal set of variables you want?
>>>
>>
>> Take a look here to what I'm currently using:
>>
>> http://code.google.com/p/petsc4py/source/browse/conf/core/confcore.py#144
>>
>> I'm not saying that this is optimal, I've always used what PETSc provides.
>>
>>>   Do you want a flag that says single library or multiple libraries?
>>>
>>
>> Perhaps that could work, but...
>>
>>>   Do you want a variable with the list of the PETSc libraries?
>>>
>>
>> That's what I was used to get with PETSC_LIB_BASIC. That variable
>> expanded to "-lpetsc" for single-lib builds, and "-lpetscts
>> -lpetscsnes ..." for the multi-lib case.
>>
>>>   Something else?
>>>
>>
>> If you could provide the correct list of PETSc libs in
>> PETSC_LIB_BASIC, that would be nice, because my code would continue
>> working with previous 3.0.0 and 3.1 releases.
>>
>>
>>>   Barry
>>>
>>> On Oct 16, 2010, at 9:44 AM, Lisandro Dalcin wrote:
>>>
>>>> On 16 October 2010 16:23, Barry Smith <bsmith at mcs.anl.gov> wrote:
>>>>>
>>>>> On Oct 16, 2010, at 3:43 AM, Lisandro Dalcin wrote:
>>>>>
>>>>>> It seems that after changes to BuildSystem, the makefile variables
>>>>>> PETSC_LIB_BASIC and PETSC_EXTERNAL_LIB_BASIC are not properly set for
>>>>>> single-library builds.
>>>>>
>>>>>   This is a change.  ./configure now generates PETSC_EXTERNAL_LIB_BASIC  and PETSC_LIB_BASIC is never used
>>>>>
>>>>>  Barry
>>>>>
>>>>
>>>> How should I figure if PETSc is using single vs. multiple library
>>>> builds (remember petsc4py inspect makefile variables to get PETSc
>>>> stuff)?
>>>>
>>>> Any chance you could still generate the correct PETSC_LIB_BASIC, even
>>>> if core PETSc does not use it?
>>>>
>>>>>>
>>>>>> A few days ago we had:
>>>>>>
>>>>>> $ grep _BASIC $PETSC_ARCH/conf/petscvariables
>>>>>> PETSC_LIB_BASIC = -lpetsc
>>>>>> PETSC_CONTRIB_BASIC = -lpetsc
>>>>>> PETSC_SNES_LIB_BASIC = -lpetsc
>>>>>> PETSC_KSP_LIB_BASIC = -lpetsc
>>>>>> PETSC_MAT_LIB_BASIC = -lpetsc
>>>>>> PETSC_VEC_LIB_BASIC = -lpetsc
>>>>>> PETSC_DM_LIB_BASIC = -lpetsc
>>>>>> PETSC_TS_LIB_BASIC = -lpetsc
>>>>>> PETSC_SYS_LIB_BASIC = -lpetsc
>>>>>>
>>>>>> but now:
>>>>>>
>>>>>> $ grep _BASIC $PETSC_ARCH/conf/petscvariables
>>>>>> SL_LINKER_LIBS = ${PETSC_EXTERNAL_LIB_BASIC}
>>>>>> PETSC_EXTERNAL_LIB_BASIC = -lX11 -llapack -lblas -lm
>>>>>> -Wl,-rpath,/usr/lib64/mpich2 -L/usr/lib64/mpich2
>>>>>> -Wl,-rpath,/usr/lib/gcc/x86_64-redhat-linux/4.4.1
>>>>>> -L/usr/lib/gcc/x86_64-redhat-linux/4.4.1 -ldl -lmpich -lopa -lpthread
>>>>>> -lrt -lgcc_s -lmpichf90 -lgfortran -lm -lm -ldl -lmpich -lopa
>>>>>> -lpthread -lrt -lgcc_s -ldl
>>>>>>
>>>>>>
>>>>>> Could any of you check and fix this?
>>>>>>
>>>>>> --
>>>>>> Lisandro Dalcin
>>>>>> ---------------
>>>>>> CIMEC (INTEC/CONICET-UNL)
>>>>>> Predio CONICET-Santa Fe
>>>>>> Colectora RN 168 Km 472, Paraje El Pozo
>>>>>> Tel: +54-342-4511594 (ext 1011)
>>>>>> Tel/Fax: +54-342-4511169
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Lisandro Dalcin
>>>> ---------------
>>>> CIMEC (INTEC/CONICET-UNL)
>>>> Predio CONICET-Santa Fe
>>>> Colectora RN 168 Km 472, Paraje El Pozo
>>>> Tel: +54-342-4511594 (ext 1011)
>>>> Tel/Fax: +54-342-4511169
>>>
>>>
>>
>>
>>
>> --
>> Lisandro Dalcin
>> ---------------
>> CIMEC (INTEC/CONICET-UNL)
>> Predio CONICET-Santa Fe
>> Colectora RN 168 Km 472, Paraje El Pozo
>> Tel: +54-342-4511594 (ext 1011)
>> Tel/Fax: +54-342-4511169
>
>



-- 
Lisandro Dalcin
---------------
CIMEC (INTEC/CONICET-UNL)
Predio CONICET-Santa Fe
Colectora RN 168 Km 472, Paraje El Pozo
Tel: +54-342-4511594 (ext 1011)
Tel/Fax: +54-342-4511169



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