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.

master

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?

When I create a copy from "mqtt/ssl" example with another name than "mqtt_ssl", I expect to build process work fine.

What is the actual behavior?

Build process fails.

Steps to reproduce.

1. Create a copy of "mqtt/ssl" example in VSCODE with another name than "mqtt_ssl"
2. Try to build the project

Build or installation Logs.

CMake Error at /home/hossein/esp/esp-idf/tools/cmake/utilities.cmake:108 (target_sources):
  Cannot specify sources for target "mqtt_ssl.elf" which is not built by this
  project.
Call Stack (most recent call first):
  CMakeLists.txt:12 (target_add_binary_data)

More Information.

No response