port_common.c:123: undefined reference to `app_main' (IDFGH...
hello all. Earlier i using esp-idf 4.1 now upgrated to 5.0 but not compiled my program. where is the problem . my app_main: void app_main(void) { bla bla bla } error: /home/maniac/.espressif/tools/xtensa-esp32-elf/esp-2021r2-patch3-8.4.0...