[petsc-dev] __SDIR__ as string or not

[Lisandro Dalcin]

On 2 March 2010 19:45, Barry Smith <bsmith at mcs.anl.gov> wrote:
>
>  Well Lisandro sent me down this path, so he can fix it.
>

Well, you did not follow the patch exactly... I'll take a look.


>  Barry
>
> On Mar 2, 2010, at 4:34 PM, Jed Brown wrote:
>
>> On Wed, 24 Feb 2010 16:16:43 -0600, Barry Smith <bsmith at mcs.anl.gov>
>> wrote:
>>>
>>>  Lisandro suggested changing the model to use -D__INSDIR__=directory
>>> with no quotes and then in petscerror.h have
>>> #define PetscStringize(a) #a
>>> #define __SDIR__ PetscStringize(__INSDIR__)
>>
>> Did you notice that all the error messages read like this now?
>>
>>  [0]PETSC ERROR: ISSetPermutation() line 141 in __INSDIR__index.c
>>
>> Quoting from C99 6.10.3.4 Rescanning and further replacement:
>>
>> 1  After all parameters in the replacement list have been substituted and
>> # and ##
>>   processing has taken place, all placemarker preprocessing tokens are
>> removed. Then, the
>>   resulting preprocessing token sequence is rescanned, along with all
>> subsequent
>>   preprocessing tokens of the source file, for more macro names to
>> replace.
>>
>> As far as I know, there is no way to get the preprocessor to stringize
>> the expansion of __INSDIR__.
>>
>> Note that a possible alternative to __SDIR__ is to send the full path
>> name to the compiler, as in `pwd`/source, in which case __FILE__ would
>> have the full path.
>>
>> Jed
>
>



-- 
Lisandro Dalcin
---------------
Centro Internacional de Métodos Computacionales en Ingeniería (CIMEC)
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