Ah Sorry About that
Here you go
terry@DESKTOP-PR19O5S MSYS ~
$ cd /c/qmk_firmware
terry@DESKTOP-PR19O5S MSYS /c/qmk_firmware
$ make bondwell:teensy
Making bondwell with keymap default and target teensy
avr-gcc.exe (AVR_8_bit_GNU_Toolchain_3.6.1_1752) 5.4.0
Copyright (C) 2015 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Size before:
text data bss dec hex filename
0 21772 0 21772 550c .build/bondwell_default.hex
Compiling: tmk_core/common/command.c [OK]
Linking: .build/bondwell_default.elf [OK]
Creating load file for flashing: .build/bondwell_default.hex [OK]
Checking file size of bondwell_default.hex [OK]
* The firmware size is fine - 21772/28672 (6900 bytes free)
Copying bondwell_default.hex to qmk_firmware folder [OK]
Teensy Loader, Command Line, Version 2.1
Read ".build/bondwell_default.hex": 21772 bytes, 67.5% usage
Waiting for Teensy device...
(hint: press the reset button)
Found HalfKay Bootloader
Read ".build/bondwell_default.hex": 21772 bytes, 67.5% usage
Programming.error writing to Teensy
make[1]: *** [tmk_core/avr.mk:128: teensy] Error 1
Make finished with errors
make: *** [Makefile:544: bondwell:teensy] Error 1
terry@DESKTOP-PR19O5S MSYS /c/qmk_firmware
$
Thanks Again for your help