no hex file after compilation

Dear RIOT developers,

up to now, I worked with a nucleo-board for my project, but now I switched to my own customer-specific board.

When I compiled my own board with all "nucleo-common"-includes removed I was wondering why there is no .hex file in the binary folder.

All I found after a successful compilation is a .elf file and a .hex-named file which has exactly the content of the .elf file.

It looks like there is no objcopy to produce the .hex file.

Have you got any hint what could go wrong here? ...missing includes?....

Thanks a lot,