Fix examples on DelftBlue

[lchladek]

Fibonacci and 3dspace examples have broken binaries on DelftBlue (run local). Works fine on macOS-aarch64.

[lchladek@login03 test]$ /home/lchladek/test/3dspace
/home/lchladek/test/3dspace: /lib64/libc.so.6: version `GLIBC_2.32' not found (required by /home/lchladek/test/3dspace)
/home/lchladek/test/3dspace: /lib64/libc.so.6: version `GLIBC_2.33' not found (required by /home/lchladek/test/3dspace)
/home/lchladek/test/3dspace: /lib64/libc.so.6: version `GLIBC_2.34' not found (required by /home/lchladek/test/3dspace)
[lchladek@login03 test]$

[lchladek]

We discussed static linking to glibc as a possible solution.