Support gcc 11

[DavidAnderegg]

Describe the bug
It is not possible to use sharpy with gcc11 because the required scipy(1.3.2) version was built using gcc9. It might be possible to force scipy to compile locally with gcc11.

I just wanted to let you know, may be add a little note to the install instructions?

Anyways, thank you for making this all open source!

To Reproduce
First build it using gcc11. Then, run the tests.

Expected behavior
I am not sure? Maybe upgrade scipy or mention it somewhere?

System Info (please complete the following information):

• OS: arch linux

Additional context
I fixed it on arch with installing the aur-packages gcc9, gcc9-fortran, gcc9-libs and this cmake command: FC=gfortran-9 CXX=g++-9 CC=gcc-9 cmake ..

[ArturoMS13]

Dear David,
thank you for reporting this. We will try to fix it or at least make a note in the next release.
Best regards.

[x3oo]

thumbs up

[x3oo]

(sharpy_env) [buttermelted@thinkpad sharpy]$ python -m unittest
running unittest
running unittest
.Segmentation fault (core dumped)
(sharpy_env) [buttermelted@thinkpad sharpy]$

changed my issues to this, will try to compile with less threads

[x3oo]

changing from -j6 to -j2
i am on 2 core 4 thread machine

[ArturoMS13]

Dear x3oo,

This issue sometimes happens when you have not checkout the same branch in SHARPy and the submodules (xbeam and UVLM). Can you doublecheck that?

I highly doubt chaning the number of cores will make a difference.

Best regards

[x3oo]

git submodule update --remote
recompiling now with -j4
using -j with high number can result in errors

[x3oo]

running unittest
running unittest
./home/buttermelted/.conda/envs/sharpy_env/lib/python3.7/site-packages/tvtk/tvtk_classes.zip/tvtk_classes/abstract_array.py:325: DeprecationWarning: invalid escape sequence \m
/home/buttermelted/.conda/envs/sharpy_env/lib/python3.7/site-packages/tvtk/tvtk_classes.zip/tvtk_classes/abstract_array.py:325: DeprecationWarning: invalid escape sequence \m
/home/buttermelted/.conda/envs/sharpy_env/lib/python3.7/site-packages/tvtk/tvtk_classes.zip/tvtk_classes/algorithm.py:557: DeprecationWarning: invalid escape sequence \i
/home/buttermelted/.conda/envs/sharpy_env/lib/python3.7/site-packages/tvtk/tvtk_classes.zip/tvtk_classes/algorithm.py:571: DeprecationWarning: invalid escape sequence \i
/home/buttermelted/.conda/envs/sharpy_env/lib/python3.7/site-packages/tvtk/tvtk_classes.zip/tvtk_classes/algorithm.py:604: DeprecationWarning: invalid escape sequence \i
/home/buttermelted/.conda/envs/sharpy_env/lib/python3.7/site-packages/tvtk/tvtk_classes.zip/tvtk_classes/algorithm.py:614: DeprecationWarning: invalid escape sequence \i
/home/buttermelted/.conda/envs/sharpy_env/lib/python3.7/site-packages/tvtk/tvtk_classes.zip/tvtk_classes/algorithm.py:625: DeprecationWarning: invalid escape sequence \i
/home/buttermelted/.conda/envs/sharpy_env/lib/python3.7/site-packages/tvtk/tvtk_classes.zip/tvtk_classes/algorithm.py:635: DeprecationWarning: invalid escape sequence \i
/home/buttermelted/.conda/envs/sharpy_env/lib/python3.7/site-packages/tvtk/tvtk_classes.zip/tvtk_classes/algorithm.py:645: DeprecationWarning: invalid escape sequence \i
/home/buttermelted/.conda/envs/sharpy_env/lib/python3.7/site-packages/tvtk/tvtk_classes.zip/tvtk_classes/algorithm.py:656: DeprecationWarning: invalid escape sequence \i
/home/buttermelted/.conda/envs/sharpy_env/lib/python3.7/site-packages/tvtk/tvtk_classes.zip/tvtk_classes/algorithm.py:667: DeprecationWarning: invalid escape sequence \i
/home/buttermelted/.conda/envs/sharpy_env/lib/python3.7/site-packages/tvtk/tvtk_classes.zip/tvtk_classes/algorithm.py:557: DeprecationWarning: invalid escape sequence \i
/home/buttermelted/.conda/envs/sharpy_env/lib/python3.7/site-packages/tvtk/tvtk_classes.zip/tvtk_classes/algorithm.py:571: DeprecationWarning: invalid escape sequence \i
/home/buttermelted/.conda/envs/sharpy_env/lib/python3.7/site-packages/tvtk/tvtk_classes.zip/tvtk_classes/algorithm.py:604: DeprecationWarning: invalid escape sequence \i
/home/buttermelted/.conda/envs/sharpy_env/lib/python3.7/site-packages/tvtk/tvtk_classes.zip/tvtk_classes/algorithm.py:614: DeprecationWarning: invalid escape sequence \i
/home/buttermelted/.conda/envs/sharpy_env/lib/python3.7/site-packages/tvtk/tvtk_classes.zip/tvtk_classes/algorithm.py:625: DeprecationWarning: invalid escape sequence \i
/home/buttermelted/.conda/envs/sharpy_env/lib/python3.7/site-packages/tvtk/tvtk_classes.zip/tvtk_classes/algorithm.py:635: DeprecationWarning: invalid escape sequence \i
/home/buttermelted/.conda/envs/sharpy_env/lib/python3.7/site-packages/tvtk/tvtk_classes.zip/tvtk_classes/algorithm.py:645: DeprecationWarning: invalid escape sequence \i
/home/buttermelted/.conda/envs/sharpy_env/lib/python3.7/site-packages/tvtk/tvtk_classes.zip/tvtk_classes/algorithm.py:656: DeprecationWarning: invalid escape sequence \i
/home/buttermelted/.conda/envs/sharpy_env/lib/python3.7/site-packages/tvtk/tvtk_classes.zip/tvtk_classes/algorithm.py:667: DeprecationWarning: invalid escape sequence \i

still testing whoooo

[x3oo]

Ran 52 tests in 1004.682s

OK (skipped=4)
(sharpy_env) [buttermelted@thinkpad sharpy]$
whoop whoop, most likely git submodule solved the issue.

[x3oo]

thanks for programming and releasing sharpy, thanks for the fast support.
man, am i happy after so much pain.

[x3oo]

@DavidAnderegg how did you find the solution? i am asking so i can solve it next time myself

[DavidAnderegg]

Basically I googled the error code until I figured out that a certain GLIBC - Version corresponds to a certain gcc version. Then it was only putting the knowledge and the error message together.