Re: [bgl-discuss] more MPI link problems

[Rob Ross <rross@xxxxxxxxxxx>]

It can't be this easy, but you don't really have "mpi_init()" in the 
code right?  It's "MPI_Init()".

Probably it's something more tricky than this, but I had to make sure.

Rob

Katie Antypas wrote:
> Hi,
>
> We am having trouble linking to the mpi library for a code which is not 
> FLASH. These same 
> linker lines work for our FLASH code so we are a bit stumped.
>
> Our LD line and error messages are below.
>
> Thanks for any help,
>
> Katie
>
>
> FC   = blrts_xlf -I/bgl/BlueLight/ppcfloor/bglsys/include
> CC   = blrts_xlc -I/bgl/BlueLight/ppcfloor/bglsys/include
> CPP = blrts_xlC -E -I/bgl/BlueLight/ppcfloor/bglsys/include
>
>
> LD = blrts_xlf -L/bgl/BlueLight/ppcfloor/bglsys/lib -lmpich.rts 
> -lmsglayer.rts -ldevices.rts -lrts.rts -ldevices.rts
>
> main.o: In function `main':
> main.o(.text+0xa4): undefined reference to `mpi_init'
> main.o(.text+0xc8): undefined reference to `mpi_comm_rank'
> main.o(.text+0xdc): undefined reference to `mpi_comm_size'
> main.o(.text+0x1914): undefined reference to `mpi_finalize'
> main.o: In function `glblmax':
> main.o(.text+0x2c50): undefined reference to `mpi_allreduce'
> main.o: In function `glbldmax':
> main.o(.text+0x2cd4): undefined reference to `mpi_allreduce'
> main.o: In function `glblsum':
> main.o(.text+0x2d58): undefined reference to `mpi_allreduce'
> main.o: In function `glbldsum':
> main.o(.text+0x2e00): undefined reference to `mpi_allreduce'
> main.o: In function `layout':
> main.o(.text+0x4d40): undefined reference to `mpi_comm_rank'
> main.o(.text+0x4d50): undefined reference to `mpi_comm_size'
> bdrys.o: In function `xbdrys':
> bdrys.o(.text+0xa8): undefined reference to `mpi_irecv'
> bdrys.o(.text+0xe4): undefined reference to `mpi_irecv'
> bdrys.o(.text+0x130): undefined reference to `mpi_irecv'
> bdrys.o(.text+0x174): undefined reference to `mpi_irecv'
>
> etc...

- --------------------------------------------------------------------
To add or remove yourself from this mailing list, use the 'notifyme'
command on any BGL machine. To remove: notifyme -n, to add: notifyme -y.