Introduce again cxx98 support

[fspindle]

No description provided.

[codecov]

Codecov Report

Attention: 403 lines in your changes are missing coverage. Please review.

Comparison is base (4b51e2c) 52.45% compared to head (6e4c53e) 52.53%.
Report is 7 commits behind head on master.

Files	Patch %	Lines
...odules/tracker/me/src/moving-edges/vpMeEllipse.cpp	66.40%	86 Missing ⚠️
modules/tracker/me/src/moving-edges/vpMeLine.cpp	60.41%	76 Missing ⚠️
modules/tracker/me/src/moving-edges/vpMeNurbs.cpp	0.00%	75 Missing ⚠️
modules/tracker/me/src/moving-edges/vpMeSite.cpp	72.72%	36 Missing ⚠️
...odules/tracker/me/src/moving-edges/vpMeTracker.cpp	50.76%	32 Missing ⚠️
modules/tracker/mbt/src/edge/vpMbtMeEllipse.cpp	0.00%	24 Missing ⚠️
modules/tracker/mbt/src/edge/vpMbtMeLine.cpp	83.82%	22 Missing ⚠️
...tracker/mbt/include/visp3/mbt/vpMbEdgeKltTracker.h	40.00%	6 Missing ⚠️
...les/tracker/mbt/include/visp3/mbt/vpMbKltTracker.h	0.00%	5 Missing ⚠️
modules/tracker/me/src/moving-edges/vpMe.cpp	94.11%	5 Missing ⚠️
... and 20 more

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1323      +/-   ##
==========================================
+ Coverage   52.45%   52.53%   +0.07%     
==========================================
  Files         401      401              
  Lines       51826    51959     +133     
==========================================
+ Hits        27187    27298     +111     
- Misses      24639    24661      +22     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.