SEGFAULT in opencascade OCE about candi HOT 10 OPEN

btw, I forgot to say: OCCT 7.7.1 passes all tests without changes in deal.II. Should we drop OCE support in deal.II?

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@pengfej can you confirm gcc and ubuntu version?

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Sure, the GCC version is 12.20 and my Ubuntu version is 22.10

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This is also something we (I and @sungho91) noticed recently on the University of Memphis workstation. Just tagging us here for any updates on how to resolve this.

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OCE 0.18.3 is quite old (Feb 2018). It has been surpassed by OCCT.

I believe I got OCCT 7.4.0 (Feb 2022) compiled, and configured deal.II with it on @bangerth's machines. I just tried to use the most basic configuration as follows

tar xzf opencascade-7.4.0.tgz
cd opencascade-7.4.0
mkdir build
cd build
cmake -DINSTALL_DIR:PATH=/install/path/to/opencascade-7.4.0 ..
make install

Maybe @luca-heltai has some more insight. Anyways, we should update our interfacing with OpenCASCADE website.

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I absolutely agree. Everything that was in 0.18.3 has been incorporated upstream in OCCT. OCE is officially dead. We should definitely remove its support, and only use OCCT.

I'll try to experiment a bit and see what version is still compatible with deal.II, and what changes we need to do to upgrade to the latest available version of OCCT.

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I could compile with OCCT 7.7.1 without issues.

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Thank you @luca-heltai ! I will try OCCT as well and post if we encounter any problem.

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Arushi, can you make a PR to replace OCE by OCCT to candi?

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Sure! Will do.

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