kalibr calibration package compilation error

[mattcorsaro1]

When re-compiling kuka_brown from scratch (after someone purged RealSense and after upgrading to pcl 1.11), the following error occured:

Errors     << suitesparse:make /home/mcorsaro/kuka_ws/logs/suitesparse/build.make.001.log                                                                                                                                             
--2020-08-20 13:36:02--  http://faculty.cse.tamu.edu/davis/SuiteSparse/SuiteSparse-4.2.1.tar.gz
Resolving faculty.cse.tamu.edu (faculty.cse.tamu.edu)... 128.194.138.45
Connecting to faculty.cse.tamu.edu (faculty.cse.tamu.edu)|128.194.138.45|:80... connected.
HTTP request sent, awaiting response... 301 Moved Permanently
Location: https://people.engr.tamu.edu/davis/SuiteSparse/SuiteSparse-4.2.1.tar.gz [following]
--2020-08-20 13:36:02--  https://people.engr.tamu.edu/davis/SuiteSparse/SuiteSparse-4.2.1.tar.gz
Resolving people.engr.tamu.edu (people.engr.tamu.edu)... 13.226.38.86, 13.226.38.74, 13.226.38.46, ...
Connecting to people.engr.tamu.edu (people.engr.tamu.edu)|13.226.38.86|:443... connected.
ERROR: cannot verify people.engr.tamu.edu's certificate, issued by ‘CN=InCommon RSA Server CA,OU=InCommon,O=Internet2,L=Ann Arbor,ST=MI,C=US’:
  Issued certificate has expired.
To connect to people.engr.tamu.edu insecurely, use `--no-check-certificate'.
make[2]: *** [suitesparse_src-prefix/src/suitesparse_src-stamp/suitesparse_src-download] Error 5
make[1]: *** [CMakeFiles/suitesparse_src.dir/all] Error 2
make: *** [all] Error 2

I removed kalibr, recompiled, and it compiled.

TODO: Compile with latest kalibr.

[kongdaqing]

wegt --no-check-certificate