The approach of building with C11 on FreeBSD is a good one compared to trying to hack around the headers. It appears more like a compiler bug that's being worked around here. The FreeBSD header supposedly uses a GCC extension if the C standard version is less than C11. See: https://github.com/freebsd/freebsd-src/blob/1e7b5f950b2d54ddb257d008592563c4d753aa54/sys/sys/cdefs.h#L317 Signed-off-by: Neeraj Singh <neerajsi@xxxxxxxxxxxxx>
