I am newbie to microros. Following the instructions provided at: https://medium.com/@SameerT009/connect-esp32-to-ros2-foxy-5f06e0cc64df and at the step of building firmware using the command "ros2 run microrossetup buildfirmware.sh", encountering following error, due to which build fails.

make[2]: Entering directory '/home/rb/microros_ws/firmware/freertos_apps/microros_esp32_extensions/build'
esp-idf/main/CMakeFiles/__idf_main.dir/flags.make:8: *** missing separator.  Stop.
make[2]: Leaving directory '/home/rb/microros_ws/firmware/freertos_apps/microros_esp32_extensions/build'
make[1]: *** [CMakeFiles/Makefile2:3835: esp-idf/main/CMakeFiles/__idf_main.dir/all] Error 2
make[1]: Leaving directory '/home/rb/microros_ws/firmware/freertos_apps/microros_esp32_extensions/build'
make: *** [Makefile:139: all] Error 2
[ros2run]: Process exited with failure 2

Tried checking esp-idf/main/CMakeFiles/_idfmain.dir/flags.make file line number 8 has action_msgs defined.

# CMAKE generated file: DO NOT EDIT!
# Generated by "Unix Makefiles" Generator, CMake Version 3.22
..
action_msgs" -isystem<snipped for brevity> 

Pointers are appreciated