The announcement about C++20 support is great! Actually I did use the documented ( C/C++/Objective-C ) sonar.cfamily.cpp20=true already. How about C++23 ? Is there a planned support as well? Or maybe soon a sonar.cfamily.cpp23=true to get started? Reason is to avoid the error: “java.lang.Unsu…

Hello @schefenacker and welcome to the community. We are glad that our effort to bring support for C++20 is appreciated. Note that “sonar.cfamily.cpp20” is valid only for SonarQube 8.9LTS. In SonarQube 9.x, C++20 is not an opt-in feature anymore. It is supported out-of-the-box. Allowing any valu…

As a workaround: Is there any commandline option or something similar to enforce the linter use C++20 mode, though it operates on C++23 code?

Hello @Timo_L , and welcome to the community, There is no option to force a standard version for parsing the source files. This would most likely result in parsing errors and unreliable results. As for opt-in C++23 support. I have added a ticket to record the traction: [CPP-4093] - Jira Best regar…

C++ - Support C++23 standard - #3 by JolyLoic - New rules / language support

Topic		Replies	Views	Activity
C++23 Support - Sonar-scanner: Unsupported value of __cplusplus macro SonarQube Cloud cfamily , sonar-scanner , sonarqube-cloud	10	1677	April 16, 2024
SonarScanner abort execution with java error Unsupported value of _cplusplus macro: 202100L SonarQube Server / Community Build scanner	5	303	October 25, 2024
False-positive cpp:S2260 with C++23 Report False-positive / False-negative... cfamily	4	366	February 19, 2024
Error during SonarScanner execution j: Unsupported value of __cplusplus macro: 202100L SonarQube Server / Community Build bump	3	278	May 13, 2024
SonarQube developer edition 7.8 Unsupported value of __cplusplus macro: 201709L SonarQube Server / Community Build cfamily	6	1393	October 19, 2020