* bugfix for [ftgl] build failure #9520. Applied same solution as cbezault did for #7697
* bugfix for [ftgl] build failure #9520. Added suggested changes from the review and clean-up EOL characters.
* [ftgl] remove ftgl:x64-linux=fail from ci.baseline.txt
* [ftgl] build failure #9520 - disable doxygen on Linux
* [ftgl] build failure #9520 - force the compiler to use the C++11 standard
* [ftgl] build failure #9520 - remove ftgl:x64-osx=fail
* [ftgl] build failure #9520 - add missing C++11 standard patch
