error: empty enum is invalid (IDFGH-13845)

[RDobrinov]

Answers checklist.

• I have read the documentation ESP-IDF Programming Guide and the issue is not addressed there.
• I have updated my IDF branch (master or release) to the latest version and checked that the issue is present there.
• I have searched the issue tracker for a similar issue and not found a similar issue.

IDF version.

v5.3.1 & 5.4-dev ( master branch )

Operating System used.

Linux

How did you build your project?

VS Code IDE

If you are using Windows, please specify command line type.

None

What is the expected behavior?

Compile without errors

What is the actual behavior?

Error thrown v5.3.1/esp-idf/components/wifi_provisioning/include/wifi_provisioning/manager.h:214:1: error: empty enum is invalid

Steps to reproduce.

Disable all protocomm configuration in menuconfig

Build or installation Logs.

In file included from /home/xxxxxx/esp/v5.3.1/esp-idf/components/wifi_provisioning/include/wifi_provisioning/scheme_softap.h:20,
                 from /home/xxxxxx/esp/v5.3.1/esp-idf/components/wifi_provisioning/src/scheme_softap.c:16:
/home/xxxxxx/esp/v5.3.1/esp-idf/components/wifi_provisioning/include/wifi_provisioning/manager.h:214:1: error: empty enum is invalid
  214 | } wifi_prov_security_t;
      | ^

More Information.

bugged code
manager.h define empty enum when all protocomm security versions are unchecked in Component config → Protocomm

[hrushikesh430]

Hello @RDobrinov could you please let me know what is your use case? If you want no security you can enable CONFIG_ESP_PROTOCOMM_SUPPORT_SECURITY_VERSION_0 which is equivalent to no security.