[mpich-discuss] libmpich.a "No such file or directory"

[sasha lambert]

Still nothing : (   There must be something basic i'm missing, or syntax
error somewhere. Hmm.

Thanks for the help!

Sasha

On Sun, Aug 15, 2010 at 11:59 AM, Si Hammond <simon.hammond at gmail.com>wrote:

> Pretty odd.
>
> Have you tried specifying the exact path?
>
> mpicc -o /home/abcd/main.o main.c
> mpicc -o /home/abcd/hello /home/acbd/main.o
>
>
> S.
>
>
> On 15 Aug 2010, at 16:38, sasha lambert wrote:
>
> Hmm still nothing; no errors but no main.o.
> My mpich configure, make, and make install steps went smoothly. The "which
> mpicc" test was successful, indicating its location at usr/bin.
>
> Sasha
>
> On Sun, Aug 15, 2010 at 11:25 AM, Si Hammond <simon.hammond at gmail.com>wrote:
>
>> Can you try...
>>
>> mpicc -o main.o -c main.c
>> mpicc -o hello main.o
>>
>> You should see the main.o in the directory, if no errors on the screen
>> then it sounds like its working fine.
>>
>>
>> S.
>>
>> On 15 Aug 2010, at 16:21, sasha lambert wrote:
>>
>> I tried compiling using mpicc, and nothing seems to happen.
>> The prompt just reappears and no executable file has been made.
>>
>> Sasha
>>
>> On Sun, Aug 15, 2010 at 11:12 AM, Si Hammond <simon.hammond at gmail.com>wrote:
>>
>>> Have you tried compiling with mpicc?
>>>
>>> mpicc -o hello main.c
>>>
>>> This sets up the linking etc for you.
>>>
>>>
>>>
>>> S.
>>>
>>>
>>> On 15 Aug 2010, at 16:02, sasha lambert wrote:
>>>
>>> I'm fairly new to unix and mpich, so please bear with me.
>>>
>>> I've tried to compile a simple "hello" program below:
>>>
>>> /*The Parallel Hello World Program*/
>>> #include <stdio.h>
>>> #include <mpi.h>
>>>
>>> main(int argc, char **argv)
>>> {
>>>  int node;
>>> MPI_Init(&argc,&argv);
>>>  MPI_Comm_rank(MPI_COMM_WORLD, &node);
>>>
>>>  printf("Hello World from Node %d\n",node);
>>>
>>>  MPI_Finalize();
>>> }
>>>
>>> Here is the shell response:
>>>
>>> $ gcc main.c -o hello
>>> Undefined symbols:
>>>   "_MPI_Comm_rank", referenced from:
>>>       _main in ccWLoMyo.o
>>>   "_MPI_Finalize", referenced from:
>>>       _main in ccWLoMyo.o
>>>   "_MPI_Init", referenced from:
>>>       _main in ccWLoMyo.o
>>> ld: symbol(s) not found
>>> collect2: ld returned 1 exit status
>>>
>>> I tried searching for "MPI_init" in libmpich.a, thinking it might have to
>>> do with the added underscore in " _MPI_Init".
>>> Shell response:
>>>
>>> $ nm libmpich.a | grep mpi_init
>>> nm: can't open file: libmpich.a (No such file or directory)
>>>
>>> I've added usr/local/lib to the PATH, but still nothing. Any suggestions?
>>>
>>> Thanks,
>>> Sasha
>>> _______________________________________________
>>> mpich-discuss mailing list
>>> mpich-discuss at mcs.anl.gov
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>>>
>>>
>>>
>>>
>>> ---------------------------------------------------------------------------------------
>>> Si Hammond
>>>
>>> Research Fellow & Knowledge Transfer Associate
>>> Performance Computing & Visualisation Group
>>> Department of Computer Science
>>> University of Warwick, CV4 7AL, UK
>>> http://go.warwick.ac.uk/hpsg
>>>
>>> ----------------------------------------------------------------------------------------
>>>
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> mpich-discuss mailing list
>>> mpich-discuss at mcs.anl.gov
>>> https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss
>>>
>>>
>> _______________________________________________
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>>
>>
>>
>> ---------------------------------------------------------------------------------------
>> Si Hammond
>>
>> Research Fellow & Knowledge Transfer Associate
>> Performance Computing & Visualisation Group
>> Department of Computer Science
>> University of Warwick, CV4 7AL, UK
>> http://go.warwick.ac.uk/hpsg
>>
>> ----------------------------------------------------------------------------------------
>>
>>
>>
>>
>>
>> _______________________________________________
>> mpich-discuss mailing list
>> mpich-discuss at mcs.anl.gov
>> https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss
>>
>>
> _______________________________________________
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> https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss
>
>
>
>
> ---------------------------------------------------------------------------------------
> Si Hammond
>
> Research Fellow & Knowledge Transfer Associate
> Performance Computing & Visualisation Group
> Department of Computer Science
> University of Warwick, CV4 7AL, UK
> http://go.warwick.ac.uk/hpsg
>
> ----------------------------------------------------------------------------------------
>
>
>
>
>
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