Remove g++ toolchain #7433
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Remove g++ toolchain #7433
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Description
g++-7 is only used to build ROS2 on CARLA UE5 and ROS2 could be build using clang. So we decided to remove g++ from CARLA toolchain to simplify as ensure g++-7 could cause some troubleshots to contributors due requires to add focal PPA.
Focal PPA installation/update have random crashes due key expiration
Fixes #7389
Where has this been tested?
Possible Drawbacks
I tested ROS2 native functionality on my local as changing the compiler could potentially introduce bugs.