Re: [Lapackpp-devel] Error configuring with externally compiled Blas & Lapack

[Christian S. <sti...@tu...>]

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Sonia Singhal schrieb:
> I gave the full path, and the config.log looks like this
> 
> -----------------------------------------------------------------
> configure:22227: result: no
> configure:22237: checking for sgemm_
> /tmp/ccUC6VD8.o: In function `main':
> /ux0/soniasin/packages/lapackpp-2.5.0/conftest.c:81: undefined
> reference to `sgemm_'
> /tmp/ccUC6VD8.o:(.data+0x0): undefined reference to `sgemm_'
> collect2: ld returned 1 exit status
> configure:22308: $? = 1
> configure: failed program was:
> -------------------------------------------------------------------------------------

There are several checks for sgemm_. The first one doesn't specify any
blas library, so it usually fails on every system. The second check
("checking for sgemm_ in") then uses the blas library and (hopefully)
succeeds.

Christian

> Its not linking the blas lib that I have given in the config command line.
> ./configure --with-blas=/scratch2/sonia/packages/mkl/lib/32/libmkl_ia32.a
> --with-lapack=/scratch2/sonia/packages/mkl/lib/32/libmkl_lapack.a


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