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atgeirr avatar atgeirr commented on July 19, 2024

It looks to me like the issue is not with umfpack, but lapack/blas.

Our configure checks for these may be insufficient. They are necessary dependencies, so configure should stop if either cannot be found. It looks like in your case, blas was not found, but we just continued:

(quoted from the log you posted)

configure:23475: checking for sgemm_ in -lblas
configure:23508: gcc -o conftest -g -O2 conftest.c -lblas -L/usr/lib/gcc/x86_64-linux-gnu/4.7 -L/usr/lib/gcc/x86_64-linux-gnu/4.7/../../../x86_64-linux-gnu -L/usr/lib/gcc/x86_64-linux-gnu/4.7/../../../../lib -L/lib/x86_64-linux-gnu -L/lib/../lib -L/usr/lib/x86_64-linux-gnu -L/usr/lib/../lib -L/usr/lib/gcc/x86_64-linux-gnu/4.7/../../.. -lgfortran -lm -lquadmath >&5
/usr/bin/ld: cannot find -lblas

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bska avatar bska commented on July 19, 2024

The direct cause of the build failure is, indeed, missing BLAS and LAPACK (in particular symbol DPOTRF is a LAPACK subroutine while DGEMM comes from BLAS). OPM-Core cannot build unless both BLAS and LAPACK are present. If a particular system does not provide these libraries, then we should not attempt to build the library. At the very least we should exclude all solver software.

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alfbr avatar alfbr commented on July 19, 2024

Looks like this issue is resolved too. Thanks guys!

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