Chen Gang <[email protected]> wrote:
> > Userspace sometimes depends on the name in the guard macro:-/
>
> "the guard macro" is only for prevent itself from being included by
> multiple times (an id used by itself -- like a handle), it is not an id
> to let other files know about it (it is not a normal using way).
Whilst that *should* be true, it isn't actually true. See:
grep -r _LINUX_.*_H /usr/include/ | grep -v ^/usr/include/linux/
for example. Also who knows what all those autoconf scripts out there look
for?
However, thinking about it some more, you're probably safe with respect to
userspace as scripts/headers_install.h strips off the _UAPI prefix on the
guard macros - just as long as you don't change the rest of the macro name.
David
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