SonarScanner abort execution with java error Unsupported value of _cplusplus macro: 202100L

[Colin]

Hey there.

SonarQube v9.9 LTS does not support C++23 (docs)

However, it is available in SonarQube v10.5, which was released yesterday! (the website says 10.4, but the link is to 10.5, we’re in the process of fixing it)

C++23 support, C and C++ analysis speed improvement and more dataflow-based reporting

Hello dear C and C++ users You can now analyze C++23 code! We groomed our C++ rules so that they behave nicely. C++23’s feature deducing this is not supported yet but will come shortly. Your C and C++ analysis is now running faster with an average 12% improvement. We also added dataflow-based reporting to 3 existing rules: Rule S836 : Variables should be initialized before use Rule S5283 : Size of variable length arrays should be greater than zero Rule S5488 : Only valid arguments should be…