[CIG-LONG] compiling Gale on a supercomputer

[Walter Landry]

Robert Gray <graywacke at gmail.com> wrote:
> I didn't build petsc myself, I'm using the petsc3.2 module that
> Scinet offers. This may not matter, but this didn't come up when I
> compiled Underworld with the same petsc3.2 module a few weeks ago.

I would guess that they used mkl's lapack.  So try adding

  "-llapack"

or

  "-lmkl -lmkl_lapack"

to --linkflags.

Cheers,
Walter Landry



> Cheers,
> Rob
> 
> On Wed, May 23, 2012 at 2:55 PM, Walter Landry <wlandry at caltech.edu> wrote:
> 
>     Robert Gray <graywacke at gmail.com> wrote:
>     > Hey Walter,
>     > That option definitely helped, but the compiling process is still aborting.
>     > Now I get the message:
>     >
>     > /scinet/gpc/Libraries/petsc-3.2-p2-openmpi-centos6/linux-gnu-c-opt/lib/libpetsc.a
>     (gs.o):gs.c:(.text+0x903):
>     > more undefined references to `
>     > dcopy_' follow
>     > /scinet/gpc/Libraries/petsc-3.2-p2-openmpi-centos6/linux-gnu-c-opt/lib/libpetsc.a(gs.o):
>     > In function `gs_gop_vec_pairwise_plus':
>     > gs.c:(.text+0x1456): undefined reference to `daxpy_'
>     > scons: *** [build/bin/Gale] Error 1
>     > scons: building terminated because of errors.
>    
>     It looks like you need to link to lapack or mkl.  Did you build Petsc
>     yourself?  What did you use for lapack?
>    
>     Cheers,
>     Walter Landry
>