Re: [PATCH] list: avoid incompatibility with *BSD sys/queue.h

From: Eric Sunshine <sunshine@sunshineco.com>
Date: Jul 17, 2016, 05:58 UTC
Message-ID: <CAPig+cRvhbKwr=QJAyp=sYLLGDx-B2EHovHpn8Z1701stQMi1g@mail.gmail.com>
In-Reply-To: <20160717002533.GA14200@whir>

On Sat, Jul 16, 2016 at 8:25 PM, Eric Wong <e@80x24.org> wrote:

Show 9 quoted lines

> Eric Wong <e@80x24.org> wrote:
>> I also wonder where we use sys/queue.h, since I use
>> LIST_HEAD from ccan/list/list.h in a different project
>> without conflicts...
>
> Still wondering... Checking sys/mman.h in an old FreeBSD source
> tree I had lying around reveals "#include <sys/queue.h>" is
> guarded by "#if defined(_KERNEL)", so it mman.h wouldn't pull
> it in for userspace builds...

It's pulled in like this:

    git-compat-util.h ->
    sys/sysctl.h ->
    sys/ucred.h ->
    sys/queue.h

Very reminiscent of [1].

[1]: http://git.661346.n2.nabble.com/PATCH-ewah-bitmap-silence-warning-about-MASK-macro-redefinition-td7632287.html