Build fails with /.../cpu_start.c:545: undefined reference to `app_main'

[Jason2866]

Describe the bug
Build is failing

Used esp-2019r2-8.2.0 Installed with https://dl.espressif.com/dl/esp-idf-tools-setup-2.3.exe

Can you provide the Info which build system and version you use?

[32teeth]

hi @Jason2866
everything you need in terms of build and pipeline is in the /Tools folder of this repository