Re: Finding BLAS and LAPACK

[Mag Gam]

These are some libraries of interest
/apps/libslibgslcblas.so
/apps/libslibgslcblas.a
/apps/libslibcblas.a
/apps/libslibf77blas.a
/apps/libslibblas.a
/apps/libslibgslcblas.so.0.0.0
/apps/libslibcblas.so

# nm /apps/libslibblas.a | grep -i sgemm
sgemm.o:
0000000000000000 T sgemm_

On Tue, Feb 23, 2010 at 5:37 PM, John W. Eaton <address@hidden> wrote:
> On 23-Feb-2010, Mag Gam wrote:
>
> | Unfortunately, this does not pick up BLAS
> |
> | I am using ./configure --prefix=/apps LDFLAGS="-L/apps/libs"
> |
> | Any other suggestion?
> |
> |
> | configure:11325: checking for sgemm_ in -lblas
> | configure:11358: gcc -o conftest -g -O2 -I/apps/hdf5-1.8.3/include
> | -L/apps/hdf5-1.8.3/lib conftest.c -lblas  -lhdf5 -lz -lm
> | -L/apps/hdf5-1.8.3/lib -L/usr/lib/gcc/x86_64-redhat-linux/3.4.6
> | -L/usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../../../lib64
> | -L/usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../.. -L/lib/../lib64
> | -L/usr/lib/../lib64 -lhdf5 -lz -lfrtbegin -lg2c -lm >&5
> | /usr/bin/ld: cannot find -lblas
> | collect2: ld returned 1 exit status
> | configure:11358: $? = 1
> |
> | I see this in my config.log
>
> You'll need to give us more details, like which BLAS you are using and
> how you compiled it.
>
> What do you see if you run
>
>  nm /apps/libs/your-blas-lib | grep -i sgemm
>
> ?
>
> jwe
> cg
>