Look for your path to C:\msys32\home\<your user name>\esp\xtensa-lx106-elf\bin
I did this and it now works ok except that eclipse still can't get to grips with indexing so it shows lots of errors but still compiles OK.
Error: Program "python C:\msys32\home\Pete\esp\ESP8266_RTOS_SDK\tools\windows\eclipse_make.py" not found in PATH
PATH=[C:\msys32\usr\bin;C:\msys32\mingw32\bin;C:\msys32\opt\xtensa-lx106-elf\bin]
python.exe is in C:\msys32\mingw32\bin
and eclipse_make.py is in the path defined
C:\msys32\mingw32\bin\python C:\msys32\home\Pete\esp\ESP8266_RTOS_SDK\tools\windows\eclipse_make.py
understandably it doesn't work. But
C:/msys32/mingw32/bin/python C:/msys32/home/Pete/esp/ESP8266_RTOS_SDK/tools/windows/eclipse_make.py
does work
The setup says ensure the
IDF_PATH C:/Users/user-name/Development/ESP8266_RTOS_SDK
I have even changed the build command to be direct
C:/msys32/mingw32/bin/python ${IDF_PATH}/tools/windows/eclipse_make.py
So I tried hardwiring the entire build command to be
C:/msys32/mingw32/bin/python C:/msys32/home/Pete/esp/ESP8266_RTOS_SDK/tools/windows/eclipse_make.py
Error: Program "C:\msys32\mingw32\bin\python C:\msys32\home\Pete\esp\ESP8266_RTOS_SDK\tools\windows\eclipse_make.py" not found in PATH
PATH=[C:/msys32/usr/bin;C:/msys32/mingw32/bin;C:/msys32/opt/xtensa-lx106-elf/bin]
So I guess Eclipse is doing this, what do I need to do to stop it?