[coreboot-gerrit] Change in coreboot[master]: cbfstool: Avoid defining _XOPEN_SOURCE on macOS

[Julius Werner (Code Review)]

Attention is currently required from: Alex James.
Julius Werner has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/60232 )

Change subject: cbfstool: Avoid defining _XOPEN_SOURCE on macOS
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Patch Set 1:

(1 comment)

File util/cbfstool/Makefile.inc:

https://review.coreboot.org/c/coreboot/+/60232/comment/ff52145d_e01fa0a5 
PS1, Line 137: ifneq ($(OS_ARCH),$(filter $(OS_ARCH), Darwin FreeBSD))
This file can be included by either util/cbfstool/Makefile or the toplevel coreboot Makefile.inc, so you can't just rely on things only set in the former here. I'd suggest to just leave the shell expand where it is.