Some systems, DJGPP/DOS for now, may not provide getopt and their gnu
extensions. So provide a fallback implementation.
The code is based on musl libc.
Change-Id: I6ebbde075014e3b45b0f9e04b34b72aa969e1197
Signed-off-by: Thomas Heijligen <thomas.heijligen@secunet.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/73102
Reviewed-by: Anastasia Klimchuk <aklm@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
