Questions Regarding TPSS Installation Issues for a new user

[HC Zhang]

I encountered some issues while following the installation instructions for TPSS from this repository. Despite multiple installation attempts, I consistently run into errors at the Configuring TPSS step. I have attached images detailing my latest installation attempt—could you please help me identify what might be causing the problem?

Here’s an overview of my directory structure:

• /home/uhc/Environment/deallii: Cloned from https://github.com/dealii/dealii.git
• /home/uhc/Environment/dealii-jwitte08: Cloned from https://github.com/jwitte08/dealii.git
• /home/uhc/Environment/p4est: Installed from p4est-2.8.6.tar.gz
• /home/uhc/Environment/dealii-tpss: Installation directory for deal.II (I already have another deal.II installed in /usr/local)
• /home/uhc/Environment/tpss-temp: Temporary directory for cloning TPSS (git clone https://github.com/jwitte08/TPSS.git tpss-temp)
• /home/uhc/Environment/tpss: Cloned via git clone --recurse-submodules https://github.com/jwitte08/TPSS.git

Additionally, I have some questions regarding the README instructions:

1. The Warning section states that TPSS depends on jwitte08's deal.II. When cloning deal.II for Installing p4est, should I use the official deal.II or jwitte08's version?
2. The Installing deal.II section mentions "First clone this project TPSS." Does this mean TPSS should be downloaded first? (Corresponding to my tpss-temp folder, where lib/googletest is empty.) Why is another TPSS clone needed later in Configuring TPSS? If I understand correctly, this results in two separate TPSS directories.
3. After running bash dealii-setup.sh and make -j2 in Installing deal.II, why is there no make install step? Without make install, won’t TPSS configuration fail to locate deal.II and p4est?

I’d greatly appreciate any insights you can provide!

Best regards,

Haicheng

[Daniel Arndt]

Haicheng,

the repository at https://github.com/jwitte08/TPSS is not maintained
by deal.II and hasn't seen changes in 4 years. If you want to explore
the work done there, you need to use
https://github.com/jwitte08/dealii/tree/rt_matrixfree to compile
deal.II (with p4est). Then, download https://github.com/jwitte08/TPSS
and link against that deal.II installation.
Again, this is not maintained by deal.II and it might be better to try
teaching out to the author of TPSS directly if you run into issues.

Best,
Daniel

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[HC Zhang]

Hi Daniel,

Thank you for your explanation. It seems that the author hasn’t updated the repository for a long time.

I have already tried multiple installation attempts, including using the repository provided by the author, but I still encountered issues.

I think it would be best for me to reach out to the original author for further clarification. I appreciate your help!

Best regards,

Haicheng

Daniel Arndt <d.arnd...@gmail.com> 于2025年2月20日周四 16:36写道：

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