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esp-idf/tools/test_apps/system/cxx_build_test
Historia
Jakob Hasse 0244c24c8d cmake: Corrected setting of C++ language standard 
* reverted old faulty mechanism to set different
  standard according to the toolchain
* Using -std=gnu++2b now for both gcc and clang
* Added a build test app to check the C++ standard in IDF
* Updated english docs to reflect the change to C++23
 		2023-05-09 10:09:19 +08:00
..
main cmake: Corrected setting of C++ language standard 2023-05-09 10:09:19 +08:00
CMakeLists.txt
…
README.md cmake: Corrected setting of C++ language standard 2023-05-09 10:09:19 +08:00

README.md

Supported Targets ESP32 ESP32-C2 ESP32-C3 ESP32-C6 ESP32-H2 ESP32-S2 ESP32-S3

C++ build test

This build-only app can be used to check if certain headers, macros or features can be successfully compiled in a C++ source file. It furthermore checks the current C++ language standard set in IDF is the expected one.

This App Broke My Build :(

It is likely that one of the following situations occurred:

  1. The language standard for IDF has been changed without changing the test in this application.
  2. Code incompatible to C++ has been added to one of the public header files in IDF. Check the C++ documentation section Combining C and C++ code for more details.

Adding New Test

Create a new file main/test_<name>.cpp and add it to main/CMakeLists.txt. If you need to check specific compiler flags, use set_source_files_properties CMake function to adjust the compilation flags for the given source file.