ifdef BOOTLOADER_IMG
ifeq ($(shell [ -f /bin/cygwin1.dll ] && echo cygwin),cygwin)
BOOTLOADER_IMG := $(shell cygpath -m $(BOOTLOADER_IMG))
ifdef BOOTLOADER_IMG
ifeq ($(shell [ -f /bin/cygwin1.dll ] && echo cygwin),cygwin)
BOOTLOADER_IMG := $(shell cygpath -m $(BOOTLOADER_IMG))