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

[Rajeev Thakur]

Now what happens if you do /usr/local/bin/mpicc main.c?


On Aug 16, 2010, at 6:07 PM, sasha lambert wrote:

> So if i give the full path to mpicc, this is what i get:
> 
> $ /usr/local/bin/mpicc -show
> gcc -I/usr/local/include -L/usr/local/lib -L/usr/local/lib -lpmpich -lmpich -lopa -lpthread
> 
> Make sense?
> 
> On Sun, Aug 15, 2010 at 7:57 PM, Rajeev Thakur <thakur at mcs.anl.gov> wrote:
> That mpicc is from Open MPI, not MPICH2. Give the full path to mpicc.
> 
> 
> On Aug 15, 2010, at 1:37 PM, sasha lambert wrote:
> 
> > That would be the following:
> >
> > $ mpicc -show
> > gcc -D_REENTRANT -Wl,-u,_munmap -Wl,-multiply_defined,suppress -lmpi -lopen-rte -lopen-pal
> >
> > S
> >
> > On Sun, Aug 15, 2010 at 1:08 PM, michael.bane at manchester.ac.uk <michael.bane at manchester.ac.uk> wrote:
> > What is output of mpicc -show
> >
> > ---
> > Michael
> >
> >
> > ----- Reply message -----
> > From: "sasha lambert" <lambert.sasha at gmail.com>
> > Date: Sun, Aug 15, 2010 17:32
> > Subject: [mpich-discuss] libmpich.a "No such file or directory"
> > To: <mpich-discuss at mcs.anl.gov>
> >
> > 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
> >>>> 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
> >>> ----------------------------------------------------------------------------------------
> >>>
> >>>
> >>>
> >>>
> >>>
> >>> _______________________________________________
> >>> mpich-discuss mailing list
> >>> mpich-discuss at mcs.anl.gov
> >>> https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss
> >>>
> >>>
> >>> _______________________________________________
> >>> mpich-discuss mailing list
> >>> mpich-discuss at mcs.anl.gov
> >>> 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
> >> ----------------------------------------------------------------------------------------
> >>
> >>
> >>
> >>
> >>
> >> _______________________________________________
> >> mpich-discuss mailing list
> >> mpich-discuss at mcs.anl.gov
> >> https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss
> >>
> >>
> >> _______________________________________________
> >> mpich-discuss mailing list
> >> mpich-discuss at mcs.anl.gov
> >> 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
> > ----------------------------------------------------------------------------------------