Thank you very much. I had a stange symbol in the file.
It worked

Hello, I just started the set up of the ESP-IDF using the tutorial in this link http://esp-idf.readthedocs.io/en/latest/get-started/ when I arrived to the Configure and I type cd ~/esp/hello_world make menuconfig I get this error tecnico@pc3 MINGW64 ~/esp/blink $ make menuconfig Makefile:8: /make/pr...