ESP32 - How to determine build environment in CMAKE

maxgerhardt · July 7, 2023, 8:28am

Usually PlatformIO adds a PLATFORMIO macro being equal to the used PlatformIO core version.

platformio/platformio-core/blob/646aa4f45b9ed0da36507437280516b87411f26d/platformio/builder/tools/piobuild.py#L96C1-L105


      
          env.AppendUnique(
              CPPDEFINES=[
                  (
                      "PLATFORMIO",
                      int(
                          "{0:02d}{1:02d}{2:02d}".format(
                              core_version.major, core_version.minor, core_version.patch
                          )
                      ),
                  )

Can you see that being passed as -DPLATFORMIO=.... in the compiler flags in the project task → Advanced → Verbose Build?