Install & Configure HDF5 -reg

[mani maran]

Dear all,

I am new to deal_ii. I have installed deal_ii in my ubuntu 16.04 desktop. I don't know, how to link hdf5 with deal_ii. 

Do suggest a remedy for this issue.

Thanks and regards

Manimaran J

[David Wells]

Dear Manimaran,

The version of deal.II that can be installed with apt (on ubuntu 16.04; newer versions fix this) does not include HDF5 as a dependency: you will have to compile deal.II by yourself if you want to use it with HDF5.

I recommend installing HDF5 (via apt) first and then compiling and installing deal.II in your home directory. CMake should automatically detect your system installation of HDF5: if not, pass -DHDF5_DIR=/path/to/hdf5 to CMake when configuring. Complete directions are available here:

https://dealii.org/9.0.0/index.html

Let me know if this works for you, or if you have more questions.

Thanks,
David Wells

[mani maran]

Dear David Wells,

 Thank you for your kind reply. I am a beginner of Ubuntu and deal_II. Could you say elaborately.  I am not strong in the command line.  

I installed the deal_ii 9.0.1.  I installed like the following way

cmake -DCMAKE_INSTALL_PREFIX=/home/taylor/bin/dealii-9.0.1 ../

Could you explain HDF5 install, I downloaded the "hdf5-1.10.4.tar.gz".  I don't know, where I installed it. 

Please suggest me.  Could you say elaborately.

 

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[David Wells]

Dear Manimaran,

Not a problem. It looks like you installed deal.II correctly but you will have to compile it again to link it with HDF5.

I recommend using apt to install HDF5; run

sudo apt-get install libhdf5-dev

at the command line to get a copy of HDF5 (that can be used for development, hence the -dev suffix) installed on your computer. Once its installed you should delete the deal.II build directory and compile it again (doing what you did before); it should automatically detect the copy of HDF5 you just installed (you can double-check this by reading the output file detailed.log).

Does this make sense? Let me know if you have more questions.

Thanks,

David Wells

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