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Re: What's the deal with PETSC_ARCH?

 

On 8/23/10 11:38 PM, Anders Logg wrote:
> On Mon, Aug 23, 2010 at 11:04:00AM -0700, Johan Hake wrote:
>> On Monday August 23 2010 10:52:12 Anders Logg wrote:
>>> On Mon, Aug 23, 2010 at 10:33:56AM -0700, Johan Hake wrote:
>>>> On Monday August 23 2010 10:15:32 Anders Logg wrote:
>>>>> On Mon, Aug 23, 2010 at 10:00:48AM -0700, Johan Hake wrote:
>>>>>> On Monday August 23 2010 09:50:12 Anders Logg wrote:
>>>>>>> On Mon, Aug 23, 2010 at 09:48:02AM -0700, Johan Hake wrote:
>>>>>>>> On Monday August 23 2010 09:32:40 Anders Logg wrote:
>>>>>>>>> On Mon, Aug 23, 2010 at 09:25:29AM -0700, Johan Hake wrote:
>>>>>>>>>> Hello!
>>>>>>>>>>
>>>>>>>>>> CMake works smooth here. Much nicer config messages too. You
>>>>>>>>>> are doing a great job getting this up and running!
>>>>>>>>>>
>>>>>>>>>> The only test that wont pass for me now is SLEPc. It
>>>>>>>>>> complains about PETSC_ARCH not beeing set or set to empty.
>>>>>>>>>>
>>>>>>>>>> I have installed PETSc and SLEPc using dorsal.
>>>>>>>>>>
>>>>>>>>>> Johan
>>>>>>>>>
>>>>>>>>> Which platform are you running?
>>>>>>>>
>>>>>>>> Lucid
>>>>>>>>
>>>>>>>>> Is PETSC_ARCH set?
>>>>>>>>
>>>>>>>> Nope.
>>>>>>>>
>>>>>>>>> It's very easy to debug. Just add stuff like
>>>>>>>>>
>>>>>>>>>   message("PETSC_ARCH = ${PETSC_ARCH}")
>>>>>>>>>
>>>>>>>>> in the file cmake/FindSLEPc.cmake.
>>>>>>>>
>>>>>>>> I see that the FindPETSc.cmake includes some logic for when
>>>>>>>> PETSC_ARCH is not set. This is lacking in FindSLEPc.cmake, which
>>>>>>>> requires PETSC_ARCH to be set.
>>>>>>>
>>>>>>> ok, now I see what the problem is. I'll see if I can fix it.
>>>>>>>
>>>>>>> The way Dorsal installs PETSc has changed. It now does the
>>>>>>> PETSc-style installation = no installation which required
>>>>>>> PETSC_DIR and PETSC_ARCH to be set.
>>>>>>
>>>>>> Ok, still on old dorsal. I liked that everything is installed in one
>>>>>> place skipping the need to PETSC_ARCH.
>>>>>
>>>>> Yes, but it turns out that didn't work very well with SLEPc 3.1 so we
>>>>> had to change.
>>>>
>>>> Ok?
>>>>
>>>> I am on SLEPc 3.1 but I had to switch to manual install. All tests
>>>> compiles
>>>>
>>>> and runs for SLEPc using:
>>>>   make examples
>>>
>>> What do you mean by manual install?
>>
>> I go to the src directory of SLEPc and configure and make it myself. SLEPC_DIR
>> is set to prefix, but I temporarily set it to PWD when compiling. If I have a
>> slepc installation in prefix I need to remove that first...
>>
>>   SLEPC_DIR=$(pwd) ./configure --prefix=$HOME/local
>>   make install
> 
> ok. You should be able to use Dorsal for this now.
> 
> It would be good if as many as possible (even us developers) used
> Dorsal so that it gets enough testing.

I agree. And send patches!

Harish



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