UMFPACK ISSUE.

[ME20D503 NEWTON]

Dear Deal.ii group,

i am trying to run a code but i am getting errors related to UMFPACK.

please find the error below.

Thanks

.........................................................................

Exception on processing:

--------------------------------------------------------
An error occurred in line <635> of file </home/iittp/fem/dealii-9.3.3/source/lac/sparse_direct.cc> in function
    void dealii::SparseDirectUMFPACK::factorize(const Matrix&) [with Matrix = dealii::SparseMatrix<double>]
The violated condition was:
    false
Additional information:
    To call this function you need UMFPACK, but you configured deal.II
    without passing the necessary switch to 'cmake'. Please consult the
    installation instructions in doc/readme.html.
--------------------------------------------------------

Aborting!
----------------------------------------------------
CMakeFiles/run.dir/build.make:57: recipe for target 'CMakeFiles/run' failed
make[3]: *** [CMakeFiles/run] Error 1
CMakeFiles/Makefile2:131: recipe for target 'CMakeFiles/run.dir/all' failed
make[2]: *** [CMakeFiles/run.dir/all] Error 2
CMakeFiles/Makefile2:138: recipe for target 'CMakeFiles/run.dir/rule' failed
make[1]: *** [CMakeFiles/run.dir/rule] Error 2
Makefile:144: recipe for target 'run' failed
make: *** [run] Error 2

[Luca Heltai]

This part of the message contains all the information you need to fix the issue.

Luca

[ME20D503 NEWTON]

Dear Luca,

can help me out, what this error is trying to tell me?

To call this function you need UMFPACK, but you configured deal.II
    without passing the necessary switch to 'cmake'. Please consult the
    installation instructions in doc/readme.html.

[陈敏]

After run cmake, there is a log to tell you whether the UMFPACK have configure with the dealii, you should give the log to us. The cmake log file can be found in build/cmakefile/**.log as well.

Best

Chen

ME20D503 NEWTON <me20...@iittp.ac.in> 于2022年7月6日周三 12:38写道：

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